Average annual temperature is 9.8 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: -24.1 °C
Number of sunny days: 110 days
Number of rainy days: 220 days
Number of snow days: 35 days
Look at detailed online map of Town of Boston
* Weather data for Town of Boston United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.3 | 17.6 | 13.2 | 26.7 | 30.5 | 31.5 | 31.1 | 29.8 | 30.5 | 28.0 | 14.7 | 14.1 |
| Average daytime temperature (°C) | 3.6 | 5.9 | 5.4 | 15.9 | 19.3 | 23.1 | 26.0 | 23.7 | 21.9 | 15.5 | 7.8 | 6.5 |
| Average temperature (°C) | 0.0 | -0.3 | 0.8 | 9.3 | 13.2 | 17.9 | 21.1 | 19.0 | 17.0 | 11.8 | 3.9 | 3.2 |
| Average night temperature (°C) | -2.8 | -4.7 | -2.7 | 4.3 | 7.6 | 13.5 | 17.2 | 15.4 | 13.2 | 8.9 | 0.7 | 0.6 |
| Absolute minimum temperature (°C) | -12.1 | -24.1 | -13.3 | -6.0 | 0.4 | 9.3 | 12.9 | 10.2 | 7.3 | 0.1 | -7.1 | -6.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 1.9 | 5.2 | 5.4 | 8.1 | 10.8 | 10.2 | 11.2 | 9.4 | 8.9 | 5.3 | 4.8 | 2.9 |
| Precipitation (mm) | 166 | 103 | 128 | 154 | 71 | 139 | 141 | 122 | 38 | 98 | 101 | 123 |
| Sunny days | 2 | 6 | 6 | 12 | 21 | 7 | 7 | 5 | 16 | 11 | 8 | 9 |
| Rainy days | 18 | 17 | 14 | 17 | 10 | 23 | 24 | 26 | 14 | 20 | 19 | 18 |
| Snow days | 11 | 5 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 |
The best time to visit Town of Boston during the most sunny months:
Months with the longest average daylight duration in Town of Boston:
The largest precipitation sum in Town of Boston is at