Average annual temperature is 8.5 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -16.4 °C
Number of sunny days: 176 days
Number of rainy days: 118 days
Number of snow days: 71 days
Look at detailed online map of Walnut Grove
* Weather data for Walnut Grove 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) | 8.2 | 6.3 | 7.6 | 18.5 | 21.5 | 25.2 | 33.1 | 30.5 | 28.4 | 20.1 | 15.9 | 10.2 |
| Average daytime temperature (°C) | -0.7 | 0.6 | 1.2 | 7.3 | 17.2 | 20.5 | 29.8 | 25.9 | 22.1 | 14.3 | 7.4 | 4.0 |
| Average temperature (°C) | -3.3 | -2.8 | -2.1 | 3.7 | 12.5 | 15.9 | 24.8 | 21.4 | 17.2 | 9.7 | 3.6 | 0.4 |
| Average night temperature (°C) | -6.0 | -6.6 | -5.4 | -0.4 | 7.7 | 11.6 | 19.8 | 16.9 | 12.9 | 5.7 | -0.3 | -4.3 |
| Absolute minimum temperature (°C) | -16.4 | -13.5 | -11.4 | -10.1 | 0.2 | 8.4 | 15.5 | 13.6 | 5.7 | -4.3 | -12.9 | -15.0 |
| 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 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.4 | 7.1 | 6.3 | 9.9 | 12.1 | 12.0 | 13.2 | 11.8 | 10.8 | 8.9 | 7.0 | 7.0 |
| Precipitation (mm) | 145 | 63 | 144 | 77 | 53 | 59 | 10 | 63 | 36 | 38 | 62 | 49 |
| Sunny days | 4 | 12 | 6 | 16 | 9 | 8 | 22 | 14 | 19 | 22 | 23 | 21 |
| Rainy days | 5 | 3 | 7 | 4 | 22 | 22 | 9 | 17 | 11 | 8 | 5 | 5 |
| Snow days | 22 | 13 | 18 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 5 |
The best time to visit Walnut Grove during the most sunny months:
The largest precipitation sum in Walnut Grove is at