Average annual temperature is 17.3 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: 1.3 °C
Number of sunny days: 241 days
Number of rainy days: 124 days
Look at detailed online map of Irwin Flat
* Weather data for Irwin Flat 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) | 42.2 | 41.1 | 36.6 | 28.3 | 23.7 | 23.3 | 20.1 | 28.9 | 34.9 | 35.8 | 42.3 | 40.4 |
| Average daytime temperature (°C) | 32.4 | 31.0 | 27.9 | 22.6 | 18.7 | 17.0 | 16.3 | 18.8 | 24.3 | 24.3 | 27.6 | 29.2 |
| Average temperature (°C) | 23.9 | 23.3 | 20.5 | 16.5 | 13.1 | 12.3 | 10.7 | 12.4 | 16.6 | 17.0 | 19.6 | 21.6 |
| Average night temperature (°C) | 16.9 | 16.5 | 14.6 | 11.2 | 8.5 | 8.7 | 6.4 | 7.3 | 9.6 | 10.6 | 12.9 | 15.3 |
| Absolute minimum temperature (°C) | 12.2 | 11.1 | 10.7 | 7.6 | 4.0 | 4.4 | 1.3 | 3.2 | 3.7 | 5.9 | 10.2 | 11.1 |
| 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 | 11.2 | 10.3 | 9.9 | 10.1 | 10.9 | 11.9 | 12.9 | 13.9 | 14.4 |
| 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 | 11.2 | 9.8 | 9.1 | 7.6 | 6.5 | 7.6 | 8.5 | 10.6 | 11.2 | 11.9 | 11.0 |
| Precipitation (mm) | 15 | 2 | 14 | 31 | 16 | 39 | 20 | 17 | 10 | 8 | 25 | 20 |
| Sunny days | 26 | 24 | 22 | 18 | 17 | 11 | 18 | 17 | 24 | 23 | 22 | 19 |
| Rainy days | 5 | 4 | 9 | 12 | 14 | 19 | 13 | 14 | 6 | 8 | 8 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Irwin Flat is at