Average annual temperature is 9.6 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: -28.1 °C
Number of sunny days: 152 days
Number of rainy days: 195 days
Number of snow days: 18 days
Look at detailed online map of Wachusett
* Weather data for Wachusett 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) | 11.4 | 13.1 | 13.6 | 30.6 | 28.6 | 31.6 | 30.3 | 27.0 | 31.0 | 26.3 | 16.5 | 14.2 |
| Average daytime temperature (°C) | 3.8 | 3.8 | 5.7 | 14.5 | 19.5 | 22.2 | 26.3 | 23.9 | 21.1 | 16.7 | 7.1 | 6.4 |
| Average temperature (°C) | 0.1 | -1.5 | 1.1 | 8.6 | 13.4 | 16.9 | 21.7 | 19.3 | 17.0 | 12.4 | 2.7 | 2.1 |
| Average night temperature (°C) | -3.3 | -6.2 | -3.0 | 3.9 | 8.1 | 12.8 | 18.1 | 15.7 | 13.9 | 8.9 | -0.8 | -0.9 |
| Absolute minimum temperature (°C) | -12.9 | -28.1 | -7.5 | -3.8 | 1.2 | 5.7 | 12.4 | 12.3 | 7.7 | -0.1 | -6.7 | -7.8 |
| 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 | 15.2 | 14.9 | 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) | 4.3 | 6.4 | 7.4 | 8.5 | 11.5 | 9.5 | 10.4 | 9.5 | 7.5 | 7.6 | 7.0 | 5.4 |
| Precipitation (mm) | 170 | 57 | 147 | 79 | 81 | 140 | 211 | 162 | 216 | 124 | 47 | 182 |
| Sunny days | 9 | 11 | 14 | 15 | 19 | 5 | 4 | 10 | 11 | 16 | 22 | 16 |
| Rainy days | 17 | 12 | 12 | 15 | 12 | 25 | 27 | 21 | 19 | 15 | 7 | 13 |
| Snow days | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Wachusett during the most sunny months:
The largest precipitation sum in Wachusett is at