Average annual temperature is 11.7 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -16.4 °C
Number of sunny days: 231 days
Number of rainy days: 112 days
Number of snow days: 22 days
Look at detailed online map of Grenville
* Weather data for Grenville 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) | 17.9 | 16.9 | 20.8 | 26.5 | 28.1 | 32.7 | 35.2 | 33.0 | 32.7 | 27.0 | 23.5 | 17.1 |
| Average daytime temperature (°C) | 7.7 | 9.3 | 12.8 | 18.5 | 21.7 | 25.2 | 30.8 | 29.2 | 26.8 | 19.9 | 14.2 | 8.5 |
| Average temperature (°C) | 1.2 | 1.8 | 5.0 | 10.0 | 15.1 | 18.4 | 23.5 | 22.6 | 19.8 | 12.6 | 6.9 | 2.5 |
| Average night temperature (°C) | -3.0 | -3.4 | -0.9 | 3.1 | 9.3 | 12.4 | 17.2 | 16.3 | 13.8 | 7.0 | 1.5 | -1.9 |
| Absolute minimum temperature (°C) | -12.3 | -16.4 | -7.8 | -6.4 | 5.1 | 7.1 | 12.8 | 11.3 | 8.5 | -6.6 | -6.8 | -9.3 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 8.4 | 9.0 | 10.1 | 11.3 | 11.0 | 12.5 | 12.7 | 11.8 | 10.7 | 9.9 | 8.7 | 7.7 |
| Precipitation (mm) | 8 | 22 | 11 | 32 | 39 | 59 | 35 | 31 | 24 | 31 | 2 | 32 |
| Sunny days | 26 | 21 | 20 | 21 | 8 | 11 | 11 | 19 | 24 | 23 | 24 | 23 |
| Rainy days | 2 | 2 | 4 | 7 | 23 | 19 | 20 | 12 | 6 | 8 | 4 | 5 |
| Snow days | 3 | 5 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Grenville is at