Average annual temperature is 21.6 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: 1.7 °C
Number of sunny days: 279 days
Number of rainy days: 86 days
Look at detailed online map of Alton
* Weather data for Alton 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) | 38.9 | 38.5 | 39.5 | 32.6 | 25.5 | 25.3 | 25.6 | 29.6 | 33.7 | 40.4 | 39.6 | 39.8 |
| Average daytime temperature (°C) | 35.1 | 34.5 | 33.1 | 27.0 | 21.1 | 20.5 | 20.6 | 24.9 | 28.7 | 31.1 | 31.4 | 34.3 |
| Average temperature (°C) | 28.5 | 27.9 | 26.6 | 20.5 | 14.2 | 13.6 | 13.5 | 17.3 | 21.2 | 23.9 | 25.1 | 27.5 |
| Average night temperature (°C) | 22.4 | 21.3 | 21.2 | 14.1 | 8.2 | 8.1 | 7.5 | 10.5 | 14.0 | 16.4 | 19.6 | 21.3 |
| Absolute minimum temperature (°C) | 19.6 | 15.9 | 12.8 | 7.4 | 3.4 | 2.3 | 1.7 | 6.2 | 7.1 | 11.2 | 16.3 | 17.0 |
| 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 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.7 | 13.1 | 12.2 | 11.4 | 10.7 | 10.4 | 10.6 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.6 | 11.4 | 9.5 | 9.9 | 9.6 | 8.6 | 8.9 | 9.8 | 11.1 | 11.7 | 10.7 | 11.5 |
| Precipitation (mm) | 34 | 15 | 62 | 10 | 8 | 18 | 16 | 3 | 0 | 5 | 138 | 69 |
| Sunny days | 19 | 24 | 18 | 27 | 28 | 24 | 25 | 27 | 28 | 29 | 12 | 18 |
| Rainy days | 12 | 4 | 13 | 3 | 3 | 6 | 6 | 4 | 2 | 2 | 18 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Alton is at