Average annual temperature is 11.2 °C
Absolute maximum temperature: 28.8 °C
Absolute minimum temperature: -4.2 °C
Number of sunny days: 108 days
Number of rainy days: 257 days
Look at detailed online map of Siston
* Weather data for Siston 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) | 12.7 | 13.1 | 13.8 | 17.1 | 20.7 | 26.7 | 25.3 | 24.5 | 28.8 | 21.1 | 14.7 | 12.6 |
| Average daytime temperature (°C) | 7.8 | 9.2 | 9.9 | 12.3 | 17.1 | 22.2 | 19.0 | 19.9 | 21.0 | 15.7 | 10.4 | 9.6 |
| Average temperature (°C) | 4.9 | 5.9 | 7.2 | 8.5 | 12.6 | 17.4 | 16.0 | 16.3 | 17.0 | 12.6 | 7.9 | 7.6 |
| Average night temperature (°C) | 2.1 | 2.8 | 4.6 | 4.5 | 8.1 | 12.5 | 12.8 | 12.8 | 13.1 | 9.9 | 5.4 | 5.2 |
| Absolute minimum temperature (°C) | -4.2 | -3.1 | -1.1 | -0.4 | 3.7 | 6.8 | 8.6 | 9.4 | 7.1 | 2.7 | -2.8 | -3.8 |
| 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) | 8.4 | 10.0 | 11.9 | 13.9 | 15.6 | 16.5 | 16.1 | 14.6 | 12.7 | 10.7 | 8.9 | 7.9 |
| 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 | 4.8 | 4.4 | 7.3 | 11.2 | 12.3 | 9.8 | 10.0 | 7.9 | 6.1 | 4.0 | 2.2 |
| Precipitation (mm) | 103 | 18 | 145 | 97 | 51 | 69 | 134 | 84 | 63 | 127 | 89 | 174 |
| Sunny days | 15 | 14 | 3 | 8 | 16 | 15 | 2 | 3 | 9 | 8 | 9 | 6 |
| Rainy days | 16 | 14 | 28 | 22 | 15 | 15 | 29 | 28 | 21 | 23 | 21 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Siston during the most sunny months:
Months with the longest average daylight duration in Siston:
The largest precipitation sum in Siston is at