Climate for Station: Sydney (Observatory Hill), New South Wales, Australia
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Station Statistics
10-Year Trend
High: -0.37 °C/decade
Low: -0.64 °C/decade
Rain: +0.90 mm/decade
25-Year Trend
High: +0.25 °C/decade
Low: +0.04 °C/decade
Rain: +0.40 mm/decade
50-Year Trend
High: +0.30 °C/decade
Low: +0.13 °C/decade
Rain: +0.02 mm/decade
All-Time Trend
High: +0.14 °C/decade
Low: +0.10 °C/decade
Rain: -0.04 mm/decade
Percentage Above-Average Days
Last 12 Months: 61.4%
This Year: 50.0%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 14.7
Historical Average: 15.6
Percentile Rank of Last 12 Months ℹ️
High: 98th percentile
Low: 98th percentile
Rain: 68th percentile
Change in Variance ℹ️
High: +6.6%
Low: +6.0%
Intraday: +14.9%
Data Coverage
85.9%
First Year of Data
1916
Station Location
Weather Records
| Max High | Avg High | Min High | Max Avg | Avg Avg | Min Avg | Max Low | Avg Low | Min Low | Max Precipitation | Avg Precipitation | Max Snow | Avg Snow | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record | 45.3 °C | — | 7.7 °C | 33.4 °C | — | 6.2 °C | 27.6 °C | — | 2.1 °C | 280.7 mm | — | — | — |
| January | 45.3 °C | 26.0 °C | 17.2 °C | 33.4 °C | 22.7 °C | 15.6 °C | 26.2 °C | 18.8 °C | 10.6 °C | 179.8 mm | 3.0 mm | — | — |
| February | 42.1 °C | 25.9 °C | 15.6 °C | 31.7 °C | 22.6 °C | 15.2 °C | 27.6 °C | 18.9 °C | 9.6 °C | 226.1 mm | 3.9 mm | — | — |
| March | 40.6 °C | 24.9 °C | 16.2 °C | 29.8 °C | 21.5 °C | 14.5 °C | 25.4 °C | 17.7 °C | 9.3 °C | 280.7 mm | 4.0 mm | — | — |
| April | 35.4 °C | 22.5 °C | 13.8 °C | 28.9 °C | 18.8 °C | 10.8 °C | 24.3 °C | 14.8 °C | 7.0 °C | 191.0 mm | 4.0 mm | — | — |
| May | 30.0 °C | 19.6 °C | 11.3 °C | 23.2 °C | 15.6 °C | 9.0 °C | 20.8 °C | 11.6 °C | 4.4 °C | 212.3 mm | 3.6 mm | — | — |
| June | 26.9 °C | 17.0 °C | 9.7 °C | 19.8 °C | 13.2 °C | 7.6 °C | 18.4 °C | 9.3 °C | 2.1 °C | 131.3 mm | 4.0 mm | — | — |
| July | 26.5 °C | 16.5 °C | 7.7 °C | 20.3 °C | 12.4 °C | 6.2 °C | 18.1 °C | 8.1 °C | 2.2 °C | 145.0 mm | 3.0 mm | — | — |
| August | 31.6 °C | 17.9 °C | 9.1 °C | 23.5 °C | 13.5 °C | 7.7 °C | 19.7 °C | 9.0 °C | 2.7 °C | 163.5 mm | 2.4 mm | — | — |
| September | 35.9 °C | 20.2 °C | 9.5 °C | 28.0 °C | 16.0 °C | 9.4 °C | 23.0 °C | 11.2 °C | 4.9 °C | 144.5 mm | 2.1 mm | — | — |
| October | 38.8 °C | 22.2 °C | 12.1 °C | 29.4 °C | 18.2 °C | 10.4 °C | 25.6 °C | 13.7 °C | 5.7 °C | 161.8 mm | 2.2 mm | — | — |
| November | 43.0 °C | 23.7 °C | 12.6 °C | 30.6 °C | 19.8 °C | 12.4 °C | 24.8 °C | 15.7 °C | 7.7 °C | 133.1 mm | 2.5 mm | — | — |
| December | 43.5 °C | 25.3 °C | 15.2 °C | 31.6 °C | 21.6 °C | 14.5 °C | 27.1 °C | 17.6 °C | 9.1 °C | 126.0 mm | 2.3 mm | — | — |
Plots
Current Year Climate Trends vs Historical
Max Temperature this Year | 1 of 4
Climate 12-Month Moving Averages
Max Temperature 12-Month MA | 1 of 4
Daily Average Temperatures Throughout the Year
Average Max Temperature Throughout Year | 1 of 3
