Average annual temperature is 22.8 °C
Absolute maximum temperature: 28.3 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 165 days
Number of rainy days: 200 days
Look at detailed online map of Keswick Island
* Weather data for Keswick Island 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) | 27.4 | 28.3 | 27.7 | 27.4 | 24.5 | 22.3 | 22.1 | 21.5 | 22.7 | 23.6 | 26.2 | 27.3 |
| Average daytime temperature (°C) | 25.8 | 26.6 | 26.5 | 25.3 | 22.2 | 21.6 | 20.6 | 20.3 | 21.4 | 22.4 | 24.2 | 26.1 |
| Average temperature (°C) | 25.2 | 25.8 | 25.9 | 24.5 | 21.0 | 20.8 | 19.6 | 19.6 | 20.8 | 21.8 | 23.6 | 25.4 |
| Average night temperature (°C) | 24.4 | 24.9 | 25.0 | 23.4 | 19.5 | 19.3 | 18.3 | 18.6 | 20.1 | 21.2 | 23.0 | 24.4 |
| Absolute minimum temperature (°C) | 23.1 | 22.6 | 23.3 | 20.7 | 15.6 | 16.2 | 14.2 | 17.3 | 18.8 | 19.6 | 21.4 | 22.4 |
| 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) | 13.2 | 12.8 | 12.2 | 11.6 | 11.1 | 10.9 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 |
| 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) | 9.7 | 9.5 | 11.1 | 9.9 | 9.9 | 9.9 | 8.6 | 10.5 | 11.2 | 11.7 | 11.7 | 10.3 |
| Precipitation (mm) | 633 | 164 | 46 | 92 | 13 | 7 | 172 | 12 | 17 | 7 | 18 | 196 |
| Sunny days | 14 | 6 | 13 | 10 | 18 | 18 | 9 | 16 | 16 | 21 | 17 | 7 |
| Rainy days | 17 | 22 | 18 | 20 | 13 | 12 | 22 | 15 | 14 | 10 | 13 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Keswick Island is at