Average annual temperature is 11.3 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 167 days
Number of rainy days: 198 days
Look at detailed online map of Wellesley
* Weather data for Wellesley 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) | 29.9 | 29.8 | 29.7 | 20.3 | 15.4 | 16.7 | 15.5 | 19.0 | 27.9 | 27.5 | 31.5 | 29.9 |
| Average daytime temperature (°C) | 22.0 | 22.9 | 21.1 | 16.2 | 11.5 | 11.0 | 11.8 | 13.3 | 18.6 | 18.5 | 20.6 | 22.7 |
| Average temperature (°C) | 16.1 | 16.0 | 15.0 | 10.7 | 6.4 | 6.1 | 5.8 | 7.1 | 11.4 | 11.6 | 13.8 | 16.1 |
| Average night temperature (°C) | 11.4 | 11.3 | 10.9 | 6.7 | 2.7 | 2.6 | 1.4 | 2.6 | 5.8 | 6.5 | 9.6 | 11.8 |
| Absolute minimum temperature (°C) | 6.4 | 6.2 | 4.8 | 1.4 | -1.5 | -1.6 | -2.4 | -2.8 | -1.2 | 0.2 | 4.3 | 6.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.4 | 13.5 | 12.3 | 11.1 | 10.2 | 9.7 | 9.9 | 10.7 | 11.9 | 13.0 | 14.1 | 14.6 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 9.4 | 10.6 | 8.9 | 7.1 | 7.0 | 6.8 | 7.8 | 7.5 | 10.2 | 9.9 | 8.4 | 9.4 |
| Precipitation (mm) | 99 | 30 | 46 | 45 | 45 | 13 | 4 | 20 | 13 | 76 | 164 | 205 |
| Sunny days | 6 | 16 | 7 | 9 | 18 | 17 | 25 | 18 | 20 | 17 | 6 | 8 |
| Rainy days | 25 | 12 | 24 | 21 | 13 | 13 | 6 | 13 | 10 | 14 | 24 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wellesley is at