Average annual temperature is 13.3 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -10.2 °C
Number of sunny days: 175 days
Number of rainy days: 182 days
Number of snow days: 8 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) | 16.9 | 21.1 | 22.3 | 29.2 | 28.3 | 33.9 | 35.8 | 33.0 | 35.5 | 28.0 | 22.5 | 16.9 |
| Average daytime temperature (°C) | 8.8 | 10.8 | 11.7 | 20.6 | 22.4 | 27.0 | 31.3 | 29.4 | 25.6 | 19.8 | 12.1 | 9.4 |
| Average temperature (°C) | 4.6 | 5.1 | 5.8 | 13.7 | 15.6 | 20.3 | 25.0 | 23.5 | 19.8 | 14.2 | 6.5 | 5.0 |
| Average night temperature (°C) | 1.3 | 0.5 | 0.9 | 8.0 | 9.3 | 14.5 | 19.9 | 18.5 | 15.0 | 9.7 | 2.1 | 1.6 |
| Absolute minimum temperature (°C) | -3.7 | -10.2 | -5.6 | 1.1 | 3.3 | 9.0 | 16.9 | 14.3 | 9.6 | 3.2 | -5.9 | -4.1 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 4.9 | 6.8 | 7.4 | 9.3 | 10.8 | 10.8 | 12.1 | 10.9 | 8.5 | 8.4 | 7.5 | 4.7 |
| Precipitation (mm) | 82 | 51 | 72 | 106 | 28 | 97 | 96 | 67 | 129 | 37 | 54 | 117 |
| Sunny days | 13 | 14 | 13 | 14 | 15 | 13 | 6 | 13 | 16 | 20 | 21 | 17 |
| Rainy days | 18 | 11 | 16 | 16 | 16 | 17 | 25 | 18 | 14 | 11 | 8 | 12 |
| Snow days | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Walnut Grove during the most sunny months:
The largest precipitation sum in Walnut Grove is at