Average annual temperature is 14.3 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 1.0 °C
Number of sunny days: 125 days
Number of rainy days: 240 days
Look at detailed online map of Casterton
* Weather data for Casterton 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) | 37.7 | 37.1 | 27.8 | 24.3 | 19.0 | 19.4 | 16.6 | 21.7 | 27.5 | 29.2 | 33.3 | 34.7 |
| Average daytime temperature (°C) | 27.0 | 25.5 | 21.4 | 18.6 | 15.1 | 13.6 | 13.5 | 14.7 | 18.2 | 18.3 | 21.8 | 23.0 |
| Average temperature (°C) | 19.7 | 19.0 | 16.1 | 14.4 | 11.5 | 10.7 | 10.2 | 10.7 | 13.1 | 13.0 | 15.7 | 17.3 |
| Average night temperature (°C) | 14.2 | 13.9 | 12.1 | 11.2 | 8.6 | 8.6 | 7.7 | 7.4 | 8.9 | 8.3 | 10.9 | 12.6 |
| Absolute minimum temperature (°C) | 10.3 | 9.0 | 9.0 | 6.5 | 3.6 | 3.4 | 2.4 | 1.0 | 2.7 | 4.6 | 6.2 | 7.1 |
| 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 | 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 | 10.1 | 9.6 | 9.9 | 10.7 | 11.9 | 13.1 | 14.1 | 14.7 |
| Daylight minimum duration (h) | 14.0 | 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) | 11.3 | 9.8 | 8.0 | 6.1 | 6.5 | 5.3 | 5.9 | 6.8 | 9.3 | 9.1 | 10.4 | 9.1 |
| Precipitation (mm) | 17 | 36 | 38 | 89 | 48 | 117 | 60 | 36 | 31 | 49 | 47 | 111 |
| Sunny days | 24 | 16 | 9 | 6 | 4 | 4 | 5 | 8 | 12 | 8 | 20 | 9 |
| Rainy days | 7 | 12 | 22 | 24 | 27 | 26 | 26 | 23 | 18 | 23 | 10 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Casterton during the most sunny months:
The largest precipitation sum in Casterton is at