Average annual temperature is 9.7 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -25.8 °C
Number of sunny days: 165 days
Number of rainy days: 189 days
Number of snow days: 11 days
Look at detailed online map of Mill River
* Weather data for Mill River 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) | 9.4 | 13.4 | 14.1 | 31.5 | 30.3 | 32.5 | 30.8 | 28.1 | 32.9 | 26.8 | 18.0 | 14.5 |
| Average daytime temperature (°C) | 4.1 | 4.8 | 6.7 | 15.9 | 20.4 | 23.5 | 26.9 | 24.7 | 22.1 | 17.4 | 7.8 | 6.5 |
| Average temperature (°C) | 0.3 | -0.9 | 1.5 | 9.2 | 13.6 | 17.6 | 21.7 | 19.5 | 17.0 | 11.9 | 2.6 | 2.0 |
| Average night temperature (°C) | -2.9 | -5.6 | -3.0 | 4.1 | 7.4 | 12.7 | 17.2 | 15.3 | 13.1 | 7.7 | -1.3 | -1.0 |
| Absolute minimum temperature (°C) | -10.6 | -25.8 | -11.1 | -4.4 | 0.7 | 6.3 | 12.0 | 10.1 | 5.5 | 0.9 | -6.3 | -7.1 |
| 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) | 4.2 | 6.4 | 7.6 | 8.5 | 11.9 | 10.2 | 10.6 | 9.8 | 7.8 | 7.3 | 7.1 | 4.9 |
| Precipitation (mm) | 163 | 59 | 113 | 133 | 64 | 125 | 230 | 159 | 216 | 101 | 69 | 186 |
| Sunny days | 12 | 12 | 11 | 14 | 22 | 7 | 8 | 11 | 13 | 16 | 23 | 16 |
| Rainy days | 17 | 13 | 16 | 16 | 9 | 23 | 23 | 20 | 17 | 15 | 6 | 14 |
| Snow days | 2 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Mill River during the most sunny months:
The largest precipitation sum in Mill River is at