Average annual temperature is 22.9 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 7.4 °C
Number of sunny days: 242 days
Number of rainy days: 123 days
Look at detailed online map of Winchester
* Weather data for Winchester Australia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.6 | 34.9 | 34.8 | 35.2 | 29.1 | 29.9 | 27.8 | 31.2 | 34.3 | 37.8 | 39.4 | 36.5 |
| Average daytime temperature (°C) | 30.8 | 30.7 | 31.8 | 30.0 | 25.4 | 26.6 | 23.3 | 26.1 | 29.4 | 32.6 | 32.6 | 33.0 |
| Average temperature (°C) | 25.4 | 25.6 | 25.8 | 23.8 | 18.5 | 19.9 | 17.3 | 18.8 | 21.9 | 24.9 | 25.9 | 26.9 |
| Average night temperature (°C) | 20.9 | 21.2 | 20.9 | 18.3 | 12.6 | 14.2 | 12.2 | 12.1 | 14.8 | 17.9 | 20.5 | 21.8 |
| Absolute minimum temperature (°C) | 17.5 | 18.0 | 17.5 | 14.1 | 7.5 | 9.4 | 7.4 | 8.9 | 12.0 | 14.9 | 16.6 | 18.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.8 | 12.2 | 11.6 | 11.1 | 10.8 | 10.9 | 11.4 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 9.1 | 8.6 | 10.2 | 9.9 | 9.7 | 9.3 | 8.3 | 10.4 | 11.0 | 11.5 | 10.0 | 10.9 |
| Precipitation (mm) | 253 | 48 | 74 | 7 | 2 | 0 | 48 | 0 | 1 | 1 | 87 | 113 |
| Sunny days | 12 | 12 | 14 | 23 | 26 | 26 | 22 | 29 | 27 | 28 | 11 | 12 |
| Rainy days | 19 | 16 | 17 | 7 | 5 | 4 | 9 | 2 | 3 | 3 | 19 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Winchester is at