Average annual temperature is 11.1 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 113 days
Number of rainy days: 252 days
Look at detailed online map of Boston
* Weather data for Boston 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) | 12.9 | 15.1 | 15.0 | 16.7 | 19.3 | 29.5 | 25.7 | 25.8 | 29.0 | 22.5 | 14.3 | 14.2 |
| Average daytime temperature (°C) | 7.9 | 10.0 | 10.0 | 12.2 | 15.4 | 20.5 | 20.4 | 20.9 | 21.1 | 15.7 | 9.9 | 9.2 |
| Average temperature (°C) | 4.9 | 6.7 | 7.1 | 8.5 | 12.0 | 16.6 | 16.7 | 16.9 | 17.1 | 12.5 | 7.3 | 7.0 |
| Average night temperature (°C) | 2.0 | 3.8 | 3.7 | 4.8 | 8.5 | 12.5 | 12.9 | 13.0 | 13.3 | 9.5 | 4.6 | 4.6 |
| Absolute minimum temperature (°C) | -4.6 | -3.0 | -3.8 | 0.7 | 5.6 | 8.0 | 9.9 | 8.2 | 8.7 | 2.6 | -2.5 | -2.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.2 | 9.9 | 11.9 | 14.0 | 15.8 | 16.8 | 16.3 | 14.7 | 12.7 | 10.6 | 8.7 | 7.7 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 4.5 | 5.4 | 4.9 | 8.9 | 9.4 | 11.6 | 10.4 | 10.5 | 8.3 | 4.8 | 4.2 | 2.1 |
| Precipitation (mm) | 40 | 5 | 78 | 74 | 45 | 36 | 116 | 73 | 74 | 163 | 67 | 107 |
| Sunny days | 13 | 18 | 4 | 8 | 11 | 13 | 3 | 7 | 10 | 9 | 9 | 8 |
| Rainy days | 18 | 10 | 27 | 22 | 20 | 17 | 28 | 24 | 20 | 22 | 21 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Boston during the most sunny months:
Months with the longest average daylight duration in Boston:
The largest precipitation sum in Boston is at