Average annual temperature is 14.7 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -11.8 °C
Number of sunny days: 209 days
Number of rainy days: 153 days
Number of snow days: 3 days
Look at detailed online map of Boyleston
* Weather data for Boyleston 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) | 19.2 | 22.5 | 24.3 | 27.9 | 31.1 | 35.1 | 35.7 | 37.1 | 32.0 | 29.2 | 25.3 | 17.2 |
| Average daytime temperature (°C) | 8.8 | 11.9 | 13.4 | 20.4 | 25.5 | 30.1 | 31.0 | 29.8 | 27.5 | 20.8 | 14.4 | 10.4 |
| Average temperature (°C) | 4.3 | 6.0 | 7.4 | 13.6 | 19.3 | 23.7 | 25.6 | 24.5 | 21.6 | 15.5 | 8.6 | 5.7 |
| Average night temperature (°C) | 0.9 | 1.8 | 2.7 | 8.0 | 13.8 | 18.1 | 20.8 | 19.9 | 16.5 | 11.2 | 4.2 | 2.3 |
| Absolute minimum temperature (°C) | -11.8 | -10.1 | -6.4 | 1.1 | 6.2 | 13.5 | 16.6 | 14.3 | 12.4 | -2.5 | -5.3 | -6.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.0 | 7.5 | 7.2 | 9.8 | 11.1 | 12.4 | 11.7 | 10.6 | 10.3 | 7.6 | 7.9 | 6.0 |
| Precipitation (mm) | 161 | 81 | 224 | 96 | 67 | 29 | 71 | 170 | 46 | 52 | 23 | 75 |
| Sunny days | 14 | 19 | 14 | 18 | 18 | 20 | 8 | 18 | 19 | 21 | 24 | 16 |
| Rainy days | 14 | 9 | 17 | 12 | 13 | 10 | 23 | 13 | 11 | 10 | 6 | 15 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Boyleston during the most sunny months:
The largest precipitation sum in Boyleston is at