Average annual temperature is 8.1 °C
Absolute maximum temperature: 26.7 °C
Absolute minimum temperature: -19.7 °C
Number of sunny days: 127 days
Number of rainy days: 214 days
Number of snow days: 24 days
Look at detailed online map of Walnut
* Weather data for Walnut 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) | 13.6 | 16.3 | 17.3 | 22.7 | 21.2 | 24.0 | 26.7 | 25.5 | 26.1 | 21.9 | 17.0 | 11.3 |
| Average daytime temperature (°C) | 3.8 | 7.1 | 6.9 | 14.5 | 15.8 | 18.7 | 22.8 | 21.7 | 18.9 | 14.0 | 7.8 | 4.6 |
| Average temperature (°C) | -0.3 | 1.4 | 1.3 | 8.2 | 10.6 | 14.1 | 18.3 | 17.1 | 14.2 | 9.1 | 2.4 | 0.5 |
| Average night temperature (°C) | -3.5 | -3.4 | -2.9 | 3.5 | 6.4 | 10.4 | 14.8 | 13.9 | 10.7 | 5.6 | -1.3 | -2.5 |
| Absolute minimum temperature (°C) | -12.4 | -19.7 | -15.4 | -4.0 | -2.5 | 5.6 | 11.7 | 7.9 | 5.9 | -1.4 | -12.8 | -11.3 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 3.8 | 6.5 | 6.8 | 9.6 | 9.8 | 10.4 | 12.1 | 10.2 | 9.4 | 7.4 | 7.0 | 4.7 |
| Precipitation (mm) | 99 | 106 | 97 | 91 | 115 | 83 | 127 | 83 | 74 | 76 | 75 | 113 |
| Sunny days | 5 | 7 | 10 | 16 | 12 | 9 | 6 | 8 | 12 | 14 | 18 | 10 |
| Rainy days | 20 | 18 | 16 | 13 | 19 | 21 | 25 | 23 | 18 | 17 | 9 | 15 |
| Snow days | 6 | 3 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 |
The best time to visit Walnut during the most sunny months:
The largest precipitation sum in Walnut is at