Average annual temperature is 11.0 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -24.7 °C
Number of sunny days: 162 days
Number of rainy days: 189 days
Number of snow days: 14 days
Look at detailed online map of Millbury
* Weather data for Millbury 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) | 12.8 | 14.6 | 15.4 | 32.9 | 29.5 | 32.7 | 31.5 | 28.9 | 33.6 | 28.0 | 17.9 | 15.9 |
| Average daytime temperature (°C) | 5.8 | 5.6 | 8.1 | 16.5 | 20.9 | 23.7 | 28.2 | 25.4 | 22.6 | 18.3 | 8.9 | 7.8 |
| Average temperature (°C) | 2.1 | 0.5 | 3.0 | 10.2 | 14.5 | 18.1 | 23.2 | 20.6 | 18.1 | 13.5 | 4.1 | 3.3 |
| Average night temperature (°C) | -1.0 | -4.0 | -1.3 | 5.1 | 8.8 | 13.6 | 19.2 | 16.7 | 14.7 | 9.8 | 0.4 | 0.0 |
| Absolute minimum temperature (°C) | -6.8 | -24.7 | -9.1 | -3.0 | 2.9 | 6.7 | 13.8 | 13.2 | 7.6 | 2.2 | -4.8 | -6.5 |
| 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 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.1 | 6.2 | 7.5 | 8.3 | 11.4 | 9.3 | 10.5 | 9.4 | 7.3 | 7.7 | 6.9 | 5.3 |
| Precipitation (mm) | 162 | 47 | 136 | 78 | 72 | 101 | 189 | 96 | 250 | 100 | 41 | 181 |
| Sunny days | 10 | 13 | 15 | 14 | 19 | 6 | 8 | 11 | 12 | 17 | 21 | 16 |
| Rainy days | 16 | 12 | 13 | 16 | 12 | 24 | 23 | 20 | 18 | 14 | 7 | 14 |
| Snow days | 5 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The best time to visit Millbury during the most sunny months:
The largest precipitation sum in Millbury is at