Average annual temperature is 9.0 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: -20.0 °C
Number of sunny days: 147 days
Number of rainy days: 191 days
Number of snow days: 27 days
Look at detailed online map of Grover
* Weather data for Grover 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) | 12.1 | 14.7 | 13.4 | 26.3 | 28.1 | 30.1 | 30.9 | 27.8 | 30.2 | 24.8 | 15.5 | 10.3 |
| Average daytime temperature (°C) | 3.0 | 5.2 | 5.4 | 15.3 | 18.5 | 22.0 | 26.7 | 23.3 | 21.0 | 14.7 | 6.6 | 4.6 |
| Average temperature (°C) | 0.1 | -0.7 | 0.4 | 9.0 | 12.0 | 16.7 | 21.1 | 18.4 | 15.9 | 10.6 | 2.1 | 1.3 |
| Average night temperature (°C) | -2.3 | -5.1 | -3.5 | 3.7 | 6.1 | 12.1 | 16.5 | 14.6 | 11.9 | 7.3 | -1.2 | -1.2 |
| Absolute minimum temperature (°C) | -8.4 | -20.0 | -9.3 | -4.8 | -0.3 | 6.3 | 11.9 | 10.3 | 6.3 | -2.2 | -7.8 | -6.8 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.2 | 6.3 | 6.5 | 8.4 | 11.7 | 10.8 | 11.4 | 9.6 | 8.7 | 6.8 | 6.8 | 3.2 |
| Precipitation (mm) | 85 | 58 | 91 | 96 | 33 | 93 | 108 | 156 | 77 | 97 | 46 | 127 |
| Sunny days | 10 | 12 | 8 | 13 | 20 | 10 | 7 | 8 | 15 | 15 | 17 | 12 |
| Rainy days | 16 | 12 | 14 | 15 | 11 | 20 | 24 | 23 | 15 | 16 | 10 | 15 |
| Snow days | 5 | 4 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 |
The best time to visit Grover during the most sunny months:
The largest precipitation sum in Grover is at