Average annual temperature is 9.8 °C
Absolute maximum temperature: 26.7 °C
Absolute minimum temperature: -6.3 °C
Number of sunny days: 101 days
Number of rainy days: 262 days
Number of snow days: 2 days
Look at detailed online map of Bolton upon Swale
* Weather data for Bolton upon Swale 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) | 11.8 | 12.2 | 13.7 | 15.2 | 19.8 | 26.6 | 24.0 | 24.9 | 26.7 | 20.5 | 12.9 | 13.1 |
| Average daytime temperature (°C) | 7.0 | 8.9 | 8.9 | 11.2 | 15.8 | 20.2 | 18.6 | 18.7 | 19.0 | 13.7 | 8.7 | 7.7 |
| Average temperature (°C) | 4.3 | 6.1 | 5.6 | 7.3 | 11.5 | 15.5 | 15.2 | 15.1 | 15.1 | 10.7 | 6.1 | 5.5 |
| Average night temperature (°C) | 1.5 | 3.1 | 2.1 | 3.4 | 7.0 | 10.5 | 11.6 | 11.3 | 11.3 | 7.7 | 3.2 | 2.8 |
| Absolute minimum temperature (°C) | -4.3 | -3.0 | -5.7 | -2.7 | 4.1 | 4.3 | 8.0 | 7.2 | 6.7 | 0.5 | -2.4 | -6.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 15.0 | 16.0 | 17.0 | 17.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.0 | 9.7 | 11.9 | 14.1 | 16.0 | 17.1 | 16.6 | 14.9 | 12.7 | 10.5 | 8.5 | 7.4 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 3.4 | 4.5 | 5.1 | 7.6 | 9.7 | 11.5 | 10.7 | 10.1 | 6.9 | 3.7 | 3.6 | 2.2 |
| Precipitation (mm) | 75 | 16 | 89 | 89 | 33 | 58 | 124 | 94 | 76 | 100 | 93 | 132 |
| Sunny days | 10 | 10 | 4 | 10 | 12 | 18 | 4 | 7 | 8 | 5 | 8 | 5 |
| Rainy days | 21 | 18 | 26 | 20 | 19 | 12 | 27 | 24 | 22 | 26 | 22 | 25 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Bolton upon Swale during the most sunny months:
Months with the longest average daylight duration in Bolton upon Swale:
The largest precipitation sum in Bolton upon Swale is at