Average annual temperature is 15.5 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 176 days
Number of rainy days: 189 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) | 21.2 | 25.2 | 26.8 | 29.3 | 29.0 | 31.9 | 34.7 | 35.1 | 32.6 | 29.5 | 28.4 | 19.9 |
| Average daytime temperature (°C) | 12.3 | 15.6 | 16.7 | 21.3 | 24.7 | 28.0 | 31.7 | 30.0 | 28.6 | 22.7 | 17.4 | 12.4 |
| Average temperature (°C) | 6.9 | 9.7 | 10.1 | 14.8 | 18.5 | 21.7 | 25.2 | 24.2 | 21.8 | 16.0 | 10.5 | 6.3 |
| Average night temperature (°C) | 2.9 | 5.1 | 4.8 | 9.1 | 13.0 | 15.8 | 19.6 | 19.6 | 16.0 | 10.5 | 5.3 | 1.9 |
| Absolute minimum temperature (°C) | -5.3 | -5.1 | -5.5 | 3.4 | 4.1 | 9.3 | 16.0 | 16.0 | 11.6 | 4.6 | -3.5 | -4.7 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.0 | 5.8 | 8.1 | 9.2 | 10.4 | 11.4 | 11.8 | 10.3 | 10.9 | 8.8 | 7.5 | 6.5 |
| Precipitation (mm) | 146 | 107 | 88 | 102 | 118 | 57 | 83 | 112 | 27 | 21 | 46 | 63 |
| Sunny days | 10 | 14 | 18 | 15 | 14 | 9 | 9 | 13 | 17 | 18 | 21 | 18 |
| Rainy days | 21 | 14 | 13 | 15 | 17 | 21 | 22 | 18 | 13 | 13 | 9 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Walnut Grove during the most sunny months:
The largest precipitation sum in Walnut Grove is at