Average annual temperature is 9.5 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -27.8 °C
Number of sunny days: 154 days
Number of rainy days: 193 days
Number of snow days: 18 days
Look at detailed online map of Town of Winchendon
* Weather data for Town of Winchendon 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) | 11.5 | 12.5 | 13.2 | 29.1 | 29.5 | 32.8 | 30.8 | 27.3 | 31.2 | 27.2 | 16.1 | 14.8 |
| Average daytime temperature (°C) | 3.9 | 3.8 | 5.8 | 14.8 | 19.9 | 22.8 | 26.6 | 24.0 | 21.4 | 16.8 | 6.9 | 6.2 |
| Average temperature (°C) | 0.1 | -1.6 | 1.0 | 8.7 | 13.3 | 17.1 | 21.8 | 19.2 | 17.0 | 12.1 | 2.4 | 1.9 |
| Average night temperature (°C) | -3.4 | -6.3 | -3.3 | 3.8 | 7.1 | 12.6 | 17.9 | 15.3 | 13.7 | 8.4 | -1.2 | -1.0 |
| Absolute minimum temperature (°C) | -10.4 | -27.8 | -8.2 | -3.8 | 0.4 | 5.6 | 12.1 | 11.7 | 7.9 | -0.3 | -7.1 | -8.0 |
| 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) | 4.0 | 6.4 | 7.2 | 8.3 | 11.4 | 9.4 | 10.0 | 9.5 | 7.5 | 7.4 | 6.9 | 5.1 |
| Precipitation (mm) | 144 | 54 | 127 | 64 | 71 | 125 | 216 | 172 | 156 | 101 | 48 | 162 |
| Sunny days | 9 | 14 | 14 | 15 | 17 | 6 | 6 | 8 | 14 | 15 | 20 | 16 |
| Rainy days | 17 | 10 | 12 | 15 | 14 | 24 | 25 | 23 | 16 | 16 | 7 | 14 |
| Snow days | 5 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 |
The best time to visit Town of Winchendon during the most sunny months:
Months with the longest average daylight duration in Town of Winchendon:
The largest precipitation sum in Town of Winchendon is at