Sydney - Observatory Hill Climate

Sydney - Observatory Hill Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
26.0 25.8 24.8 22.5 19.5 17.0 16.4 17.9 20.1 22.2 23.7 25.3 21.7
Mean Min (°C)
18.8 18.9 17.6 14.7 11.6 9.3 8.1 9.0 11.2 13.6 15.7 17.6 13.8
Mean Rain (mm)
101.3 119.4 133.5 125.9 117.2 133.1 96.1 80.2 67.9 76.8 83.8 77.4 1213.7
Median Rain (mm)
78.6 93.6 96.6 91.5 90.8 99.8 74.7 54.7 51.9 55.6 66.8 58.4 1158.7
Mean Rain Days
12.2 12.5 13.8 12.8 13.0 12.8 11.1 10.3 10.6 11.6 11.6 11.5 143.8

Sydney - Observatory Hill Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
45.8 42.1 39.8 35.6 30.0 26.9 26.5 31.3 34.6 38.2 41.8 42.2 45.8
Low Max (°C)
17.2 15.6 16.2 13.8 11.3 9.7 7.7 9.1 9.5 12.1 12.6 15.2 7.7
High Min (°C)
26.2 27.6 25.4 24.3 20.8 18.4 18.1 19.7 23.0 25.6 25.3 27.1 27.6
Low Min (°C)
10.6 9.6 9.3 7.0 4.4 2.1 2.2 2.7 4.9 5.7 7.7 9.1 2.1
High Rain (mm)
191.0 243.6 280.7 191.0 212.3 150.6 198.1 327.6 144.5 161.8 234.6 126.0 327.6

Sydney - Observatory Hill Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
29.6 29.0 27.4 26.6 23.2 20.3 19.9 21.3 24.4 26.2 27.0 28.6 24.3
Low Mn. Max (°C)
23.1 23.6 22.4 20.0 16.6 14.1 13.4 14.9 17.4 19.2 20.5 22.5 20.1
High Mn. Min (°C)
21.6 21.2 20.0 17.8 14.0 12.5 10.4 11.7 13.8 16.9 18.7 20.1 15.4
Low Mn. Min (°C)
16.5 16.6 15.0 12.2 9.4 6.9 5.5 6.5 8.5 10.5 13.5 14.5 12.3
High Rain (mm)
387.1 630.6 521.4 622.1 585.0 642.7 336.1 482.6 355.8 285.0 517.2 401.9 2194.0
Low Rain (mm)
5.6 3.0 8.4 1.4 3.0 4.1 1.8 0.0 0.2 0.6 1.9 1.8 583.0

Sydney - Observatory Hill Annual Temperatures & Rainfall

SYDNEY (OBSERVATORY HILL)

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

Sydney - Observatory Hill Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.3
≥ 35.0°C
0.9 0.5 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.6 0.8 3.2
≥ 30.0°C
3.3 2.3 1.6 0.4 0.0 0.0 0.0 0.0 0.4 1.6 2.4 3.3 15.5
≤ 2.0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
≤ 0.0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

Sydney - Observatory Hill 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
28.9 28.4 27.3 25.4 22.2 19.4 18.8 20.8 23.8 26.5 27.6 28.9 26.5
Low Max
22.6 22.7 21.8 19.4 16.6 14.4 13.8 14.8 16.4 18.2 19.8 21.6 16.4
High Min
20.8 20.9 19.9 17.4 14.2 11.8 10.4 11.4 13.9 16.4 18.1 19.8 18.8
Low Min
16.4 16.6 15.2 11.9 8.9 6.8 5.8 6.6 8.3 10.6 12.9 15.0 8.4

Sydney - Observatory Hill Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
163 163 163 163 163 163 163 162 162 162 162 162 162.0
Earliest Entry
1859 1859 1859 1859 1859 1859 1859 1859 1859 1859 1859 1859 1859
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2020 2021
Years of Maxima
163 163 163 163 163 163 163 162 162 162 162 162 162.0
Earliest Entry
1859 1859 1859 1859 1859 1859 1859 1859 1859 1859 1859 1859 1859
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2020 2021
Years of Rainfall
163 163 163 163 163 163 164 163 163 163 163 163 162.0
Earliest Entry
1859 1859 1859 1859 1859 1859 1858 1858 1858 1858 1858 1858 1858
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2020 2020 2021

Station Details

SYDNEY (OBSERVATORY HILL)
Sydney, New South Wales/ACT
33.8593°S 151.2048°E 43m AMSL
Commenced 2017
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