Average annual temperature is 10.2 °C
Absolute maximum temperature: 28.1 °C
Absolute minimum temperature: -3.9 °C
Number of sunny days: 72 days
Number of rainy days: 291 days
Number of snow days: 2 days
Look at detailed online map of Borough of Bolton
* Weather data for Borough of Bolton 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) | 11.6 | 11.0 | 13.7 | 16.0 | 19.2 | 28.1 | 23.4 | 24.4 | 25.0 | 20.0 | 13.3 | 12.2 |
| Average daytime temperature (°C) | 6.9 | 8.3 | 8.8 | 11.3 | 15.8 | 21.0 | 17.4 | 18.0 | 18.8 | 13.7 | 8.5 | 8.0 |
| Average temperature (°C) | 4.7 | 5.8 | 6.0 | 7.8 | 12.0 | 16.5 | 14.7 | 15.1 | 15.5 | 11.1 | 6.5 | 6.2 |
| Average night temperature (°C) | 2.6 | 3.2 | 3.0 | 4.3 | 8.0 | 12.0 | 12.0 | 12.4 | 12.4 | 8.8 | 4.2 | 4.2 |
| Absolute minimum temperature (°C) | -3.2 | -1.9 | -3.2 | -0.2 | 4.7 | 6.7 | 9.6 | 9.4 | 7.9 | 3.3 | -2.8 | -3.9 |
| 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 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14.0 | 15.9 | 17.0 | 16.5 | 14.8 | 12.7 | 10.6 | 8.6 | 7.6 |
| 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) | 3.5 | 4.2 | 4.8 | 7.8 | 11.4 | 12.4 | 9.3 | 9.4 | 7.0 | 4.8 | 3.8 | 1.9 |
| Precipitation (mm) | 155 | 33 | 156 | 76 | 56 | 57 | 238 | 119 | 139 | 148 | 130 | 186 |
| Sunny days | 7 | 7 | 2 | 7 | 12 | 12 | 1 | 0 | 9 | 6 | 7 | 2 |
| Rainy days | 23 | 21 | 29 | 23 | 19 | 18 | 30 | 31 | 21 | 25 | 23 | 28 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Borough of Bolton during the most sunny months:
Months with the longest average daylight duration in Borough of Bolton:
The largest precipitation sum in Borough of Bolton is at