Average annual temperature is 10.8 °C
Absolute maximum temperature: 28.3 °C
Absolute minimum temperature: -4.0 °C
Number of sunny days: 119 days
Number of rainy days: 246 days
Look at detailed online map of Alton
* Weather data for Alton United Kingdom is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.0 | 12.4 | 13.2 | 16.6 | 20.8 | 27.3 | 25.1 | 24.3 | 28.3 | 21.4 | 14.4 | 12.6 |
| Average daytime temperature (°C) | 7.3 | 8.9 | 9.5 | 11.8 | 16.5 | 21.9 | 18.9 | 19.9 | 21.0 | 15.5 | 9.9 | 9.1 |
| Average temperature (°C) | 4.5 | 5.7 | 6.7 | 8.1 | 12.3 | 17.2 | 15.6 | 16.0 | 17.0 | 12.3 | 7.3 | 7.1 |
| Average night temperature (°C) | 1.7 | 2.7 | 4.1 | 4.2 | 8.1 | 12.2 | 12.1 | 12.3 | 13.1 | 9.6 | 4.7 | 4.8 |
| Absolute minimum temperature (°C) | -4.0 | -2.7 | -1.5 | 0.0 | 5.0 | 6.8 | 8.2 | 8.9 | 6.9 | 3.3 | -2.0 | -3.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.5 | 10.0 | 11.9 | 13.9 | 15.6 | 16.5 | 16.1 | 14.5 | 12.6 | 10.7 | 8.9 | 8.0 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 4.1 | 4.7 | 4.2 | 7.3 | 11.1 | 12.6 | 9.7 | 9.7 | 8.1 | 6.3 | 4.3 | 2.3 |
| Precipitation (mm) | 105 | 10 | 128 | 87 | 59 | 59 | 114 | 83 | 77 | 120 | 93 | 134 |
| Sunny days | 15 | 15 | 3 | 9 | 16 | 16 | 3 | 4 | 11 | 10 | 10 | 7 |
| Rainy days | 16 | 13 | 28 | 21 | 15 | 14 | 28 | 27 | 19 | 21 | 20 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Alton during the most sunny months:
Months with the longest average daylight duration in Alton:
The largest precipitation sum in Alton is at