Average annual temperature is 17.1 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 1.2 °C
Number of sunny days: 216 days
Number of rainy days: 149 days
Look at detailed online map of Koolunga
* Weather data for Koolunga 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) | 40.7 | 41.2 | 36.3 | 28.5 | 23.8 | 25.2 | 20.0 | 25.0 | 31.9 | 33.8 | 41.0 | 39.5 |
| Average daytime temperature (°C) | 32.1 | 31.1 | 27.4 | 22.4 | 17.8 | 16.4 | 15.3 | 17.4 | 22.6 | 23.1 | 27.6 | 26.9 |
| Average temperature (°C) | 24.4 | 24.1 | 20.6 | 16.8 | 12.6 | 12.5 | 10.5 | 12.0 | 15.8 | 16.6 | 19.9 | 20.6 |
| Average night temperature (°C) | 18.0 | 17.7 | 14.8 | 12.2 | 8.5 | 9.4 | 6.6 | 7.6 | 9.5 | 10.6 | 13.5 | 15.1 |
| Absolute minimum temperature (°C) | 11.9 | 10.3 | 9.5 | 7.6 | 2.8 | 5.0 | 1.2 | 2.4 | 1.3 | 5.9 | 10.2 | 10.4 |
| 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) | 11.8 | 11.4 | 9.7 | 9.0 | 7.6 | 6.6 | 7.8 | 7.9 | 10.7 | 11.0 | 11.9 | 10.8 |
| Precipitation (mm) | 25 | 3 | 25 | 38 | 37 | 79 | 21 | 62 | 14 | 14 | 26 | 91 |
| Sunny days | 25 | 25 | 16 | 15 | 15 | 8 | 16 | 16 | 22 | 17 | 24 | 17 |
| Rainy days | 6 | 3 | 15 | 15 | 16 | 22 | 15 | 15 | 8 | 14 | 6 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koolunga is at