Average annual temperature is 17.4 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: -0.4 °C
Number of sunny days: 183 days
Number of rainy days: 182 days
Look at detailed online map of Cornwallis
* Weather data for Cornwallis 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) | 35.3 | 36.5 | 38.5 | 27.0 | 22.8 | 22.8 | 24.4 | 25.8 | 34.9 | 34.9 | 35.1 | 41.0 |
| Average daytime temperature (°C) | 28.3 | 29.4 | 28.1 | 22.6 | 19.5 | 17.9 | 18.9 | 20.1 | 24.6 | 26.6 | 26.5 | 30.1 |
| Average temperature (°C) | 22.0 | 22.5 | 21.7 | 16.7 | 12.5 | 11.2 | 11.5 | 12.7 | 16.2 | 18.4 | 20.2 | 23.1 |
| Average night temperature (°C) | 17.1 | 17.1 | 17.0 | 12.3 | 7.2 | 6.2 | 6.2 | 6.9 | 9.1 | 11.8 | 15.3 | 17.8 |
| Absolute minimum temperature (°C) | 12.8 | 13.2 | 10.6 | 8.6 | 1.3 | -0.3 | -0.4 | 3.3 | 3.2 | 7.0 | 9.4 | 14.0 |
| 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 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.1 | 13.3 | 12.3 | 11.3 | 10.4 | 10.0 | 10.2 | 10.9 | 11.9 | 12.9 | 13.8 | 14.3 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 9.5 | 10.6 | 9.0 | 9.0 | 9.0 | 7.7 | 8.7 | 9.2 | 10.5 | 10.7 | 9.6 | 10.6 |
| Precipitation (mm) | 136 | 65 | 130 | 57 | 15 | 32 | 13 | 48 | 12 | 32 | 156 | 114 |
| Sunny days | 8 | 12 | 11 | 13 | 23 | 20 | 23 | 14 | 23 | 20 | 9 | 7 |
| Rainy days | 23 | 16 | 20 | 17 | 8 | 10 | 8 | 17 | 7 | 11 | 21 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cornwallis is at