Greater Sydney in June 2018: a fairly typical June for Greater Sydney

After several months of generally warmer and drier conditions, June 2018 saw close to average conditions across Greater Sydney. Rainfall was mostly close to average, with some sites along the coast and in the north of the region recording wetter than average conditions. Minimum and maximum temperatures were also close to average.

Wetter than average near the coast, drier in the west

  • Overall, rainfall totals during June were close to average for Greater Sydney
  • Some sites along the coast and in the north of the region recorded above average rainfall, while some sites in the west of the region recorded below average falls
  • The rain fell over 19 days at Observatory Hill, above the average count of 13 rain days for the month and the most during June since 1967
  • In Sydney's west, rain fell on 12 days at Penrith, below the average of 15 rain days
  • The wettest location in Greater Sydney was at Norah Head, with 382.8 mm recorded for the month, the second-wettest June on record at that site, behind 2007; 105.8mm was reported for the 24 hours to 9am on the 11th, the wettest day for the region
  • Moderate falls were reported on the 6th and 7th of the month, as southeasterly onshore winds coupled with a surface trough, produced showers and thunderstorms across the region; two day totals exceeding 50 mm were reported at many sites, with 90.8 mm being recorded at Randwick over the period
  • A similar pattern of onshore winds and a surface trough just off the New South Wales coast produced moderate falls across Greater Sydney again on the 19th and 20th; North Rocks recorded a two day total of 93.2 mm for the event
  • Rainfall totals ranged from 38% of average at Springwood (Valley Heights) in the west, to 244% of average at Norah Head in the northeast
  • Sydney Airport averaged 5.1 hours of sunshine per day, less than the June average of 5.9 hours per day

Near average temperatures

  • Both maximum and minimum temperatures were close to average across Greater Sydney
  • Maximum temperatures were mostly within 0.5 °C of average, with the exception of Sydney Observatory Hill, which was 0.8 °C above average
  • Maximum temperatures ranged from a low of 3.9 °C at Mount Boyce on the 17th, to a high of 22.1 °C at Norah Head on the 28th
  • There were less cool days in June than usual, with Sydney Observatory Hill recording only one day cooler than 15 °C, compared to the average of six such days
  • Minimum temperatures ranged from 0.6 °C cooler than average at Mangrove Mountain and Sydney Harbour (Wedding Cake West), to 0.9 °C warmer than average at the Airport
  • Overnight minimum temperatures were above average across the region during the first week of the month, as a result of overnight cloudy conditions; conversely, cooler overnight temperatures were recorded between the 22nd and 26th, as clear skies persisted throughout the region
  • Minimum temperatures ranged from a low of -1.4 °C at Richmond RAAF on the 24th, to a high of 13.7 °C at Sydney Harbour (Wedding Cake West), on the 3rd

Sydney (Observatory Hill)

  • Total rainfall for Sydney (Observatory Hill) was 175.6 mm, which is 132% of the long-term average of 133.5 mm
  • The mean daily maximum temperature for Sydney (Observatory Hill) was 17.8 °C, which is 0.8 °C above the long-term average of 17.0 °C; the warmest day was 20.3 °C on the 28th, and the coolest day was on the 19th when the temperature reached 14.7 °C
  • The mean daily minimum temperature for Sydney (Observatory Hill) was 9.7 °C, which is 0.4 °C above the long-term average of 9.3 °C; the coldest morning was 6.3 °C on the 29th, and the warmest morning was on the 3rd when the minimum temperature was 13.3 °C

Further information

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Extremes in June 2018
Hottest day 22.1 °C at Norah Head AWS on the 28th
Warmest days on average 18.2 °C at Bankstown Airport AWS
Coolest days on average 9.9 °C at Mount Boyce AWS
Coldest day 3.9 °C at Mount Boyce AWS on the 17th
Coldest night -1.3 °C at Richmond RAAF on the 24th
Coolest nights on average 3.3 °C at Mount Boyce AWS
Warmest nights on average 11.0 °C at Sydney Harbour (Wedding Cake West)
Warmest night 13.7 °C at Sydney Harbour (Wedding Cake West) on the 3rd
Warmest on average overall 14.2 °C at Norah Head AWS
Coolest on average overall 6.6 °C at Mount Boyce AWS
Wettest overall 382.8 mm at Norah Head AWS
Driest overall 129.8 mm at Springwood (Valley Heights)
Wettest day 105.8 mm at Norah Head AWS on the 11th
Strongest wind gust 106 km/h at Wattamolla AWS on the 18th




Summary statistics for June 2018
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
June
2018
Diff
from
average
Highest for
June
2018
Mean for
June
2018
Diff
from
average
Lowest for
June
2018
Total for
June
2018
Average
for
June
Rank of
June
2018
Fraction of
June
average
Badgerys Creek AWS 17.4 -0.4 19.5 23rd 6.0 +0.4 0.3 24th 52.4 61.4 average 85%
Bankstown Airport AWS 18.2 +0.4 21.5 11th 7.0 +0.2 2.4 30th 71.2 80.7 average 88%
Camden Airport AWS 17.7 0.0 19.9 23rd 5.0 +0.4 -0.3 24th 48.0 66.6 average 72%
Campbelltown (Mount Annan) 17.8 +0.1 20.4 23rd 5.6 -0.4 0.4 29th 62.8 99.4 average 63%
Canterbury Racecourse AWS 17.6 -0.5 20.3 23rd 7.2 0.0 2.5 30th 112.2 108.4 high 104%
Cooranbong (Lake Macquarie AWS) 18.0   20.5 23rd 6.9   1.4 23rd 129.8 118.4 average 110%
Gosford AWS 17.1   19.7 7th 8.3   4.1 24th 213.6
Holsworthy (Defence) 16.7   19.8 23rd 6.3   1.4 25th 130.4
Holsworthy Aerodrome AWS 17.2   19.4 23rd 6.5   1.2 29th 77.0
Horsley Park Equestrian Centre AWS 17.4 -0.2 19.6 7th 7.3 +0.1 1.4 24th 49.0 75.7 average 65%
Mangrove Mountain AWS 15.6 -0.3 18.8 23rd 6.7 -0.6 1.8 24th 111.4 114.8 average 97%
Mount Boyce AWS 9.9 -0.2 12.9 23rd 3.3 -0.5 -0.4 17th 40.4 78.2 average 52%
Norah Head AWS 17.7 -0.3 22.1 28th 10.6 -0.5 7.6 29th 382.8 156.6 v high 244%
Parramatta North (Masons Drive) 17.9 +0.1 20.0 15th 7.3 -0.3 3.5 24th 73.0 92.8 average 79%
Penrith Lakes AWS 18.1 0.0 20.8 15th 7.2 +0.2 1.5 24th 31.8 50.4 average 63%
Richmond RAAF 18.1 +0.1 20.7 15th 5.4 +0.1 -1.3 24th 40.4 56.5 average 72%
Springwood (Valley Heights) 15.9 -0.1 18.4 4th 7.8 -0.1 3.4 29th 29.8 77.8 average 38%
Sydney (Observatory Hill Comparison) 17.7   20.7 28th 9.6   6.3 25th 173.4
Sydney (Observatory Hill) 17.8 +0.8 20.3 28th 9.7 +0.4 6.3 29th 175.6 133.5 high 132%
Sydney Airport AMO 17.8 +0.2 21.2 15th 9.6 +0.9 6.2 29th 152.0 124.5 high 122%
Sydney Harbour (Wedding Cake West) 17.1 -0.7 19.6 15th 11.0 -0.6 7.6 29th
Sydney Olympic Park AWS (Archery Centre) 17.9   20.5 15th 7.7   3.3 30th 103.6
Terrey Hills AWS 15.9 -0.5 18.6 15th 8.4 -0.5 4.6 24th 90.8 144.3 low 63%

Daily maximum temperatures for June 2018
123456789101112131415161718192021222324252627282930
Badgerys Creek AWS17.617.519.218.717.319.218.713.614.617.418.716.818.618.719.517.815.218.115.417.617.317.819.517.717.318.116.514.814.918.4
Bankstown Airport AWS18.317.319.619.616.318.120.016.915.519.621.518.619.319.219.918.015.418.015.319.018.019.619.718.617.018.617.517.915.119.3
Camden Airport AWS17.817.519.318.317.819.519.713.315.417.518.816.519.918.719.617.914.518.116.518.218.418.419.918.317.518.317.015.215.219.1
Campbelltown (Mount Annan)18.216.519.719.117.619.120.114.015.218.319.616.619.018.319.317.614.717.615.418.418.918.520.418.617.418.417.315.415.318.9
Canterbury Racecourse AWS16.316.918.719.115.017.519.816.915.717.217.718.019.319.019.717.915.417.014.917.217.519.020.316.816.917.417.219.014.919.1
Cooranbong (Lake Macquarie AWS)17.116.719.619.517.017.120.217.716.314.418.518.919.419.020.318.515.115.914.318.315.719.420.517.918.218.518.020.316.220.4
Gosford AWS15.616.018.118.414.816.819.717.415.916.117.517.918.818.619.517.915.116.113.717.416.117.918.216.716.217.017.319.315.419.0
Holsworthy (Defence)16.115.417.717.115.516.819.413.914.616.817.016.918.917.718.917.313.915.713.816.516.518.419.816.816.917.416.516.614.418.3
Holsworthy Aerodrome AWS16.716.618.718.615.718.119.115.315.117.617.817.318.718.519.017.514.617.414.617.117.018.119.416.916.717.817.416.714.618.7
Horsley Park Equestrian Centre AWS16.516.519.118.816.718.219.615.714.317.618.918.318.218.619.517.415.118.015.517.516.518.218.917.716.917.816.815.814.618.6
Katoomba (Murri St)11.412.211.110.410.78.99.910.09.14.611.111.012.615.312.712.411.08.710.4
Mangrove Mountain AWS13.614.116.518.113.614.518.414.814.614.216.517.216.817.817.615.613.514.111.815.414.717.718.816.015.516.014.314.117.4
Mount Boyce AWS9.99.711.410.88.511.312.410.58.29.511.412.59.09.19.17.53.98.46.310.811.812.612.911.411.311.512.27.85.28.6
Norah Head AWS15.717.917.917.516.719.422.017.616.216.417.617.818.619.120.118.015.215.816.617.715.917.917.916.416.017.118.022.115.819.8
Parramatta North (Masons Drive)17.718.018.319.016.319.019.717.017.619.018.819.219.219.020.018.015.218.014.318.017.019.218.217.217.218.317.019.215.0
Penrith Lakes AWS18.418.420.320.118.019.319.713.414.618.919.717.419.619.320.818.214.918.816.118.918.818.418.918.117.218.418.115.215.519.8
Richmond RAAF17.817.820.420.417.618.820.316.114.618.019.219.519.620.718.215.318.816.518.417.418.718.817.516.618.117.416.416.219.9
Springwood (Valley Heights)15.616.217.918.415.016.617.415.013.116.217.915.518.217.317.516.013.216.514.016.015.616.117.215.514.516.415.613.513.217.2
Sydney (Observatory Hill Comparison)16.115.818.418.615.016.820.417.016.016.818.419.219.320.020.517.915.816.314.418.116.219.419.417.318.318.517.620.715.219.0
Sydney (Observatory Hill)16.416.019.418.915.116.819.517.015.517.118.918.219.719.720.118.115.816.414.718.016.119.220.017.418.418.516.720.315.419.5
Sydney Airport AMO15.916.017.017.014.816.721.019.016.416.217.218.920.920.421.219.216.116.115.517.016.419.920.316.116.516.716.920.716.720.4
Sydney Harbour (Wedding Cake West)15.716.117.217.015.818.718.917.615.916.116.717.018.518.619.617.314.816.016.417.616.418.619.416.016.416.617.218.214.618.8
Sydney Olympic Park AWS (Archery Centre)16.716.919.219.315.417.920.217.416.617.718.618.619.619.620.518.115.617.214.917.816.819.119.517.017.717.916.519.315.719.5
Terrey Hills AWS14.114.717.017.113.516.418.415.514.615.416.616.117.917.318.616.213.314.612.516.014.417.417.915.114.515.715.018.513.917.7
Values are the maximum temperature, usually in the 24 hours from 9 am on the day indicated,
and typically occurred in the afternoon of that day.
Temperatures coloured according to their difference
from the long-term average for the period
-10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 +1.0 +2.0 +3.0 +4.0 +5.0 +6.0 +7.0 +8.0 +9.0 +10.0 °C Grey outline marks highest
and lowest for the period

Daily minimum temperatures for June 2018
123456789101112131415161718192021222324252627282930
Badgerys Creek AWS9.010.610.87.67.910.18.17.08.68.69.43.25.42.55.64.84.77.28.88.08.32.51.90.31.61.34.99.40.81.5
Bankstown Airport AWS8.410.210.29.59.010.66.77.99.89.08.94.36.03.47.13.34.89.19.07.610.65.84.03.93.43.36.710.54.42.4
Camden Airport AWS8.910.710.47.88.39.65.26.68.25.47.22.04.61.50.76.60.68.37.87.27.31.50.0-0.3-0.3-0.33.88.81.60.0
Campbelltown (Mount Annan)7.810.010.68.56.210.25.67.49.15.97.42.74.92.13.05.32.48.28.17.27.33.31.63.10.61.45.410.60.41.3
Canterbury Racecourse AWS11.010.111.47.69.410.46.97.310.68.98.95.15.64.35.43.65.910.08.810.210.74.83.73.44.13.16.710.45.62.5
Cooranbong (Lake Macquarie AWS)6.511.713.311.611.29.09.05.79.09.411.13.33.53.43.45.47.69.79.39.911.44.41.41.71.64.39.21.91.4
Gosford AWS11.813.410.912.311.09.38.911.310.811.15.97.78.14.95.47.79.99.110.110.86.04.84.14.34.37.010.95.44.3
Holsworthy (Defence)9.37.810.18.77.59.86.67.69.56.27.54.26.13.55.37.24.46.77.68.88.44.53.02.11.43.27.310.12.01.5
Holsworthy Aerodrome AWS9.38.810.78.78.710.26.07.99.68.48.63.06.14.26.14.44.56.78.18.410.04.12.43.53.62.36.79.81.22.5
Horsley Park Equestrian Centre AWS8.810.711.110.710.110.88.08.59.99.910.24.67.55.97.97.25.48.48.59.49.94.02.11.43.03.07.310.12.33.7
Katoomba (Murri St)2.33.65.63.16.26.74.15.22.10.30.63.43.64.21.31.02.34.74.42.7
Mangrove Mountain AWS8.08.510.67.99.19.96.97.610.67.87.95.56.86.37.37.04.96.66.76.78.33.14.51.82.02.75.68.1
Mount Boyce AWS2.12.95.34.53.54.95.55.75.84.34.63.14.43.24.12.1-0.40.51.94.13.93.93.90.90.41.92.55.92.01.9
Norah Head AWS10.411.913.411.811.711.813.212.412.912.211.710.310.810.210.410.29.09.59.610.211.19.88.78.58.48.711.212.47.68.7
Parramatta North (Masons Drive)5.07.88.28.08.89.77.37.810.78.48.05.59.28.09.58.57.29.38.27.59.35.04.73.54.24.77.59.34.03.6
Penrith Lakes AWS10.210.312.911.19.010.57.67.99.49.110.94.96.74.54.77.68.98.98.99.98.04.02.61.52.32.45.59.63.52.7
Richmond RAAF8.77.811.95.15.08.98.76.79.55.47.14.17.76.25.04.94.79.16.56.97.11.7-0.1-1.3-0.4-0.33.88.11.50.5
Springwood (Valley Heights)7.69.211.09.18.09.59.38.910.18.68.86.79.27.18.57.66.28.47.58.58.27.06.54.65.66.38.610.53.44.9
Sydney (Observatory Hill Comparison)11.510.713.010.310.611.110.011.112.510.110.18.310.610.411.69.28.79.78.810.89.97.97.27.16.36.79.210.56.37.3
Sydney (Observatory Hill)11.710.913.310.710.811.310.211.212.510.210.38.510.710.611.69.09.19.99.011.110.18.27.37.16.46.89.010.76.37.5
Sydney Airport AMO12.311.213.610.810.611.39.310.912.410.310.28.19.69.210.79.27.29.39.710.411.38.17.06.46.56.69.512.36.26.9
Sydney Harbour (Wedding Cake West)9.611.913.713.012.011.711.613.313.412.012.410.312.712.112.010.99.810.99.711.910.710.29.99.08.48.810.311.57.69.6
Sydney Olympic Park AWS (Archery Centre)10.110.09.78.68.510.48.28.410.98.89.15.87.36.38.55.96.69.99.18.510.76.24.73.94.14.37.910.15.23.3
Terrey Hills AWS9.19.711.59.89.810.09.510.911.19.69.87.09.59.28.87.96.78.17.58.69.66.95.64.65.45.68.810.55.56.5
Values are the minimum temperature, usually in the 24 hours to 9 am on the day indicated,
and typically occurred that morning.
Temperatures coloured according to their difference
from the long-term average for the period
-10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 +1.0 +2.0 +3.0 +4.0 +5.0 +6.0 +7.0 +8.0 +9.0 +10.0 °C Grey outline marks highest
and lowest for the period

Daily rainfall for June 2018
123456789101112131415161718192021222324252627282930
Abbotsbury (Fairfield (City Farm)) - - - - - 13.0 8.0 - 7.0 2.0 - - - - - - - - 3.0 6.0 - - - - - - - 3.0 10.0 -
Abbotsford (Blackwall Point Rd) - - - - - 30.0 19.0 - 9.0 - - - - - - - - - 10.0 32.0 - - - - - - - 10.0 9.0
Audley (Royal National Park) - - - - - 32.0 16.0 - 8.0 2.0 6.0 - - - - - - - 9.0 30.0 1.0 2.0 - - - - 1.0 8.0 5.0 1.0
Avalon Beach (Avalon (Palmgrove Rd)) - - 5.6 - 13.2 21.0 8.4 - 4.6 - - 13.6 - - - - - - 32.4 31.8 2.4 1.4 - - - - 6.2 13.6 6.2
Badgerys Creek AWS - - - - - 10.6 7.6 - 9.4 1.8 - - - - - - - - 2.8 5.2 - - - - - - - 5.0 10.0 -
Bankstown Airport AWS - - - - - 23.6 11.0 - 7.2 1.8 - 0.2 0.4 0.2 - - - - 5.0 11.0 0.6 0.4 0.2 - - - 0.2 2.4 7.0 -
Baulkham Hills Eucalyptus Ct











- - - - - - 5.5 18.0 - - - - - - 0.5 0.5 6.5 -
Belrose (Evelyn Place) - 0.4 0.4 1.0 1.2 20.6 15.4 - 6.0 2.0 10.6 - 0.4 - - - - 0.4 15.2 36.4 1.4 0.2 - - - - 1.4 9.0 8.6 -
Bilpin Post Office - - - - 2.6 7.2 2.4 - 2.4 - - 2.8

















Blackheath (Wombat Street) - - 2.0 - - 5.0 4.0 - 5.0 3.0 1.0 - 1.0 - - 1.0 - 1.0 1.0 4.0 - - - 1.0 - - - 6.0 8.0 -
Box Hill (McCall Gardens) - - - - - 9.0 7.0 - 8.0 2.0 - 1.0 - - - - - - 4.0 13.0 - - - 1.0 - - - - 8.0 -
Bringelly (Maryland) - - - - - 11.0 6.0 - 10.0 1.0 1.0 - - - - - - - 1.0 5.0 - - - - - - - 4.0 9.0 -
Camden Airport AWS - - - - - 17.6 6.0 - 4.8 0.4 - - 0.2 - - - - - 1.4 1.6 - 0.2 - - 0.2 - - 5.2 10.2 0.2
Campbelltown (Kentlyn (Georges River Roa - - - - - 25.0 12.0 - 10.0 1.0 - - - - - - - - 5.0 7.0 - - 1.0 - - - - 5.0 8.0 -
Campbelltown (Mount Annan) 0.2 - - - - 23.4 10.2 0.2 8.2 0.4 - 0.2 - - - - - - 2.4 5.6 - - - 0.2 - - 0.2 3.2 8.2 0.2
Canterbury Racecourse AWS - - - - 0.2 31.0 14.0 - 9.4 2.0 1.6 0.2 0.2 - - - - - 7.6 30.2 - - - 0.2 - - - 6.4 9.0 0.2
Castle Cove (Rosebridge Ave) - - 0.6 2.0 3.0 22.0 18.0 - 5.5 3.0 11.0 - 0.5 - - - - 0.5 13.0 46.0 2.5 1.5 - - - - 1.0 11.5 8.0
Castle Hill (Kathleen Ave) - - - - - 11.6 6.6 1.0 9.0 - - - - - - - - 2.3 6.7 17.5 - - - - - - - 1.3

Chatswood Bowling Club - - 1.0 1.0 1.0 22.0 16.0 - 6.0 3.0 11.0 - - - - - - - 12.0 44.0 2.0 1.0 - - - - 1.0 6.0 8.0 -
Collaroy (Long Reef Golf Club) - - 1.2 0.4 17.2 34.6 17.4 1.2 3.2 3.6 7.2 - - - - - - - 20.2 43.2 4.2 - - - - - 2.4 27.2

Colo Heights (Mountain Pines) - - - - - - 2.8 2.2 2.2 1.4 0.8 - 0.4 - - - - 0.1 3.6 8.2 - 0.1 0.1 - - 0.1 - 0.6 7.4
Concord (Brays Rd) - - - - 0.4 26.0 16.4 - 8.4 1.6 0.6 - 0.2 - - - - - 9.4 24.6 - 0.6 - - - - - 5.6 9.6
Concord Golf Club - - - - - 23.8 17.0 - 9.0 2.0 1.4 - - - - - - - 8.0 28.6 - - - - - - - 8.0 11.2
Cooranbong (Avondale) - - 21.0 - 26.0 3.0 6.0 - 3.0 3.0 21.0 - 1.0 - - - - - 8.0 38.0 3.0 - - 1.0 - - - 3.0 4.0 -
Cooranbong (Lake Macquarie AWS) - - 18.6 - 24.2 2.6 6.0 - 2.6 1.6 20.0 - 0.2 - 0.2 - - - 7.0 36.8 2.8 0.2 0.2 - 0.2 - 0.2 2.8 3.6 -
Darkes Forest (Kintyre) - - 1.0 0.2 - 33.4 18.4 0.2 6.2 0.4 0.8 - 0.2 - - - - 1.2 8.6 9.6 - - - - - - 0.4 4.8 6.4 -
Dover Heights (Portland St) 0.2 1.6 4.2 0.6 10.6 40.6 24.6 0.4 4.8 4.6 14.0 1.8 0.4 0.2 - 0.8 - - 35.0 25.2 3.8 1.2







Erskine Park Reservoir - - - - - 7.0 3.0 - 12.0 1.0 1.0 - - - - - - - 3.0 5.0 - - 1.0 - - - - 4.0 10.0 -
Faulconbridge (Great Western Hwy) - - - - - 4.0 9.0 - 2.0 2.0 - 1.0 - - - - - - - 3.0 - - - - - - - 10.0 12.0 -
Faulconbridge (St Georges Crescent) - 0.2 - - - 3.8 7.0 - 2.6 1.8 0.6 - - - - - - - 1.0 - - - - - - - - 6.2

Gears (Wyong River) - - 11.0 - - 4.0 6.0 - 2.0 1.0 3.0 - - - - - - - 15.0 26.0 1.0 - - - - - - 2.0 2.0 -
Gosford AWS
- 19.4 - 6.6 44.6 12.0 - 4.0 4.6 13.8 0.2 0.2 - - - - - 31.0 61.0 0.8 1.6 - 0.2 - - 0.4 3.4 9.8 -
Holsworthy (Defence) - - - - - 47.6 22.0 - 12.2 1.4 0.2 0.4 0.2 - - - - 0.6 8.8 13.0 - 0.2 0.4 - - - 0.2 9.8 13.4 -
Holsworthy Aerodrome AWS - - - - - 21.8 13.4 - 8.8 1.4 - - - - - - - - 5.0 14.0 - 0.2 - - - - - 4.6 7.6 0.2
Hornsby (Swimming Pool) - 0.8 0.6 0.4 - 11.4 8.0 - 8.0 1.2 3.6 0.2 0.2 - - - - 0.2 10.4 29.6 1.8 1.8 0.2 - - - 1.4 3.4 7.2 -
Horsley Park Equestrian Centre AWS 0.2 - - - - 12.2 5.2 0.2 7.6 2.0 0.2 0.2 - - - - - - 3.0 5.6 - - 0.2 - - - - 3.0 9.4 -
Katoomba (Murri St) -
3.4 1.4 8.0 6.6 3.4 3.6 4.0



- 0.2 0.6 1.4 - - 0.2 - - - - - 6.4 10.6 -
Kurrajong Heights (Bells Line of Road) - - 16.5 - - 2.6 2.8 - - - - - - - 3.6 10.6
Lucas Heights (ANSTO) - - - - - 22.2 13.0 - 8.2 2.0 - 0.2 - - - - - 0.8 4.8 21.2 0.4 - - - - - - 3.0

Mangrove Mountain AWS - - 11.2 - 1.8 10.8 11.4 - 6.2 1.2 8.4 0.2 0.2 - - - - 0.2 18.8 36.0 - 0.2 - 0.2 - - 0.2 4.4
-
Marrickville Golf Club - - - - 2.0 44.0 16.0 - 10.0 2.0 3.0 1.0 - - - - - - 10.0 41.0 - 1.0 - - - - - 9.0 7.0 -
Menangle Bridge (Nepean River) - - - - - 25.0 12.0 - 6.0 1.0 - - - - - - - - 2.0 3.0 - - - - - - - 3.0 8.0 -
Milperra Bridge (Georges River) - - - - - 23.0 12.0 - 8.0 2.0 - - - - - - - - 3.0 9.0 - - - - - - - 3.0 5.0 -
Mona Vale Golf Club - 0.2 3.2 - 15.2 25.4 11.0 - 4.4 2.4 5.2 0.2 0.2 - - - - - 25.0 40.6 3.4 0.8 0.4 - - - 3.2 18.8 11.0 -
Mount Boyce AWS - 0.2 1.8 0.2 0.2 5.2 5.8 0.2 4.0 3.2 1.0 0.4 - - 0.2 0.8 0.2 0.2 1.8 3.8 - 0.2 0.2 - 0.2 - 0.4 6.4 3.8 -
Mount Wilson (Clarine) - - 1.4 - - 5.4 2.4 0.4 3.4 1.4 1.0 - - - - - 1.0 1.0 1.8 2.8 - - - - - - - 6.6 8.6 -
Norah Head AWS 1.0 1.2 48.0 1.6 66.2 12.6 9.2 0.2 4.2 7.8 106 5.0 - - - - - 0.6 18.0 75.2 14.6 1.2 0.4 - - - - 0.4 9.6 -
North Parramatta (Burnside Homes) - - - - - 14.5 8.5 - 8.0 1.5 - - 0.5 - - - - - 6.0 18.5 - 0.5 - - - - 0.5 1.5 8.0 -
North Rocks (Muirfield Golf Club) - - - - - 13.5 9.0 - 8.5 2.0 - - 0.5 - - - - - 6.0 14.5 - 0.5 - - - - 3.0 2.5 6.5 -
North Ryde Golf Club - - - - - 29.0 14.0 - 7.0 1.0 2.0 - - - - - - - 10.0 19.0 2.0 2.0 - - - - 1.0 3.0 8.0 -
Parramatta North (Masons Drive) - - - - 0.2 15.0 9.4 - 7.4 2.0 0.2 0.2 - - - - - - 7.0 19.4 - 0.6 - - - - 0.8 1.8 9.0 -
Peakhurst Golf Club - - - - - 37.0 15.0 - 9.0 2.0 - - - - - - - - 5.0 34.0 2.0 1.0 - - - - - 3.0 6.0 -
Pennant Hills (Yarrara Road) 0.2 0.4 - 19.8 10.0 0.2 12.0 0.2 0.4 - - - - 0.2 9.2 24.2 1.6 - 0.2 - - - - 2.8 9.8 -
Penrith Lakes AWS - - - - - 4.2 4.0 - 2.4 1.6 - - 0.2 - - - - - 2.6 4.0 - 0.2 - 0.2 - - 0.2 3.6 8.6 -
Picton Council Depot - - - - - 15.8 8.4 0.2 - - - 5.0 - 0.4 - - - - 1.2 1.4 - 0.2 0.2 - - 6.0 8.6
Putty (The Gibba) - - - - - 1.0 1.0 - 2.0 4.0 - - - - - - - - 4.0 10.0 - - - - - - - - 13.0 -
Randwick (Randwick St) 0.8 3.0 0.8 5.4 16.0 41.0 49.8 0.2 6.8 5.6 15.0 0.2 0.1 - - - - 0.4 20.2 58.0 11.0 0.3 - - - - 3.6 27.8 10.4
Richmond RAAF - - - - - 5.6 5.6 - 7.0 1.0 - 0.2 - - - - - - 3.0 3.2 - - - - - - - 2.8 12.0 -
Rose Bay (Royal Sydney Golf Club) 0.3 2.6 1.8 1.6 15.6 34.4 18.0 0.1 5.6 4.0 13.4 0.2 0.2 - - - - 0.2 25.5 21.9 7.2 0.3 - - - - 2.8 13.4 7.8
Rossmore (South Creek) - - - - - 16.0 4.0 - 12.0 1.0 - - 1.0 - - - - - 2.0 5.0 - - - - - - - 5.0 9.0 -
Sans Souci (Public School) - - - - 2.0 52.0 20.0 - 9.0 3.0 2.0 - - - - - - - 9.0 34.0 1.0 1.0 - - - - - 19.0 7.0 -
Seven Hills (Radio FM 103.2) - - - - - 10.5 5.0 0.5 8.0 1.5 0.5 0.5 - - - - - - 5.5 11.5 - - - - - - - 1.0 6.0 -
Seven Hills (Collins St)




10.4 4.2
9.2








7.2 16.2






1.6 6.6
Shanes Park (South Creek Road) - - - - - 4.8 8.6 - 7.6 1.4 0.2 - 0.4 - - - - - 4.6 5.2 - 0.2 - - - - 0.2 4.0 10.8 -
Springwood (Valley Heights) - - - - - 3.0 5.8 - 1.0 2.2 - - - - - - - - 0.8 3.2 - - - - - - - 3.8 10.0 -
St Ives (Richmond Avenue) - 0.4 0.8 2.0 1.4 14.6 11.8 - 7.0 1.4 7.6 0.2 - - - - - 1.0 11.0 38.8 0.8 0.8 - - - - 0.8 3.6 8.6
Sydney (Observatory Hill Comparison) - 0.6 0.6 3.6 3.0 32.8 17.2 - 7.4 4.0 11.6 - - 0.2 -
- 0.4 15.2 42.0 5.6 0.4 - - - - - 20.4 8.4 -
Sydney (Observatory Hill) - 0.4 0.4 3.6 2.8 32.6 16.6 - 6.8 4.0 11.4 - - - 0.2 - - 0.2 15.0 43.0 6.0 0.2 0.2 - - - 1.0 22.4 8.8 -
Sydney Airport AMO - 0.4 - 0.2 2.0 49.8 19.6 - 7.4 2.6 5.0 0.2 - - - - - 0.6 12.6 26.0 0.2 0.2 - - - - 0.2 18.6 6.2 0.2
Sydney Botanic Gardens 0.1 1.4 1.0 4.2 7.1 31.6 16.8 0.2 8.2 4.6 12.4 - - - - - - 0.6 17.2 52.4 5.6 0.4 - - - - 1.8


Sydney Olympic Park AWS (Archery Centre) - - - - - 23.8 14.8 - 9.0 1.6 0.6 - 0.2 - - - - - 7.8 29.0 0.2 0.6 - - - - 0.2 2.0 13.8 -
Terrey Hills AWS - 0.2 0.8 0.2 3.6 18.2 7.8 - 4.4 0.8 5.6 - 0.2 - - - - - 12.4 19.8 0.6 0.4 0.4 - - - 2.0 6.8 6.6 -
Wahroonga (Ada Avenue) - - 0.6 0.8 0.4 17.8 13.0 - 9.6 1.8 3.6 0.2 0.6 - - - - 0.2 11.4 34.4 2.8 2.4 0.2 0.2 - 0.2 0.6 2.4 9.6 0.2
Warragamba - - - - - 16.0 1.0 - 1.0 2.0 - - - - - - - - 3.0 2.0 - - - - - - - 7.0 12.0 -
Wedderburn (Booalbyn) - - - 1.0 - 26.0 14.0 - 7.0 1.0 - - 1.0 - - - - - 3.0 5.0 - 1.0 - - - - - 4.0 8.0 -
Wyong (Kulnura (Jeavons)) - - 8.0 1.0 - 2.0 6.0 - 2.0 2.0 4.0 - 1.0 - - - - - 18.0 23.0 - - - - - - - 4.0 5.0 -
Wyong (Mount Elliot) - - 37.0 - 10.0 30.0 15.0 - 5.0 7.0 9.0 - 1.0 - - - - - 23.0 60.0 1.0 1.0 - - - - 1.0 4.0 2.0 -
Wyong (Olney Forest) - - 12.0 - 5.0 3.0 5.0 - 3.0 1.0 10.0 - - - - - - - 10.0 25.0 3.0 3.0 - - - - - 8.0 3.0 -
Yarramalong (Lewensbrook) - - 16.0 - 3.0 5.0 7.0 - 3.8 1.0 6.0 - - - - - - - 20.0 27.0 1.0 - - - - - - 3.0 4.0 -
Most values are the precipitation in the 24 hours to 9 am on the day indicated. Days marked with → are part of a longer accumulation, which is shown on the final day.
Values over 100 mm have been rounded to the nearest whole millimetre.
Days marked with - have a rainfall report of zero; days left blank have no rainfall report (which often indicates no rain fell).
Rainfalls coloured
according to the amount
0 1.0 5.0 10.0 15.0 25.0 50.0 100 150 200 300 400 600 millimetres

Notes

The Monthly climate summary, generally published on the first working day of each month, lists the main features of the weather in Greater Sydney using the most timely and accurate information available on the date of publication; it will generally not be updated. More extensive discussion of significant weather events, along with later information and data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review.

In September 2017 this summary was broadened to include data from observing sites in or near the Greater Sydney “Greater Capital City Statistical Area” (GCCSA). The Australian Bureau of Statistics designed the GCCSAs to “include the population within the urban area of the city, as well as people who regularly socialise, shop or work within the city, and live in small towns and rural areas surrounding the city. It is important to note that GCCSAs do not define the built up edge of the city. They provide a stable definition for these cities and are designed for the output of a range of social and economic survey data.

This statement has been prepared based on information available at 7 am on Monday 2 July 2018. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

In some situations, some or all of the rainfall is in the form of hail or snow. In these cases the totals given are for the water equivalent: the depth of liquid water that results from melting any frozen precipitation. There can be significant 'undercatch' of snow in strong winds, meaning the true precipitation can be higher than that reported.

Averages for individual sites are long-term means based on observations from all available years of record, which vary widely from site to site. They are not shown for sites with less than 10 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of long-term average rain.

The Rank indicates how rainfall this time compares with the climate record for the site, based on the decile ranking (very low rainfall is in decile 1, low in decile 2 or 3, average in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a percentage of the long-term mean.

Where temperature area averages are mentioned, they are derived from the ACORN-SAT dataset.

Further information

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