Average annual temperature is 12.5 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -19.7 °C
Number of sunny days: 240 days
Number of rainy days: 105 days
Number of snow days: 20 days
Look at detailed online map of Wiley
* Weather data for Wiley 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 | 21.8 | 25.0 | 31.4 | 30.3 | 35.5 | 37.2 | 38.0 | 37.2 | 30.0 | 26.8 | 20.2 |
| Average daytime temperature (°C) | 5.8 | 10.5 | 14.4 | 20.7 | 24.7 | 27.8 | 32.4 | 32.1 | 29.8 | 21.6 | 15.3 | 9.9 |
| Average temperature (°C) | -1.1 | 0.5 | 5.5 | 11.9 | 17.7 | 20.7 | 24.6 | 24.9 | 21.8 | 13.4 | 6.7 | 2.3 |
| Average night temperature (°C) | -6.2 | -6.3 | -1.3 | 4.3 | 11.1 | 14.6 | 17.3 | 18.1 | 14.2 | 6.3 | 0.3 | -2.4 |
| Absolute minimum temperature (°C) | -19.7 | -15.8 | -6.9 | -3.8 | 4.6 | 11.4 | 13.9 | 13.6 | 9.5 | -6.4 | -8.8 | -6.9 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 7.4 | 8.7 | 9.4 | 10.4 | 10.7 | 11.7 | 12.3 | 11.6 | 10.6 | 9.9 | 8.3 | 6.7 |
| Precipitation (mm) | 23 | 11 | 7 | 50 | 69 | 109 | 134 | 12 | 27 | 8 | 2 | 33 |
| Sunny days | 21 | 21 | 22 | 22 | 14 | 9 | 17 | 18 | 25 | 25 | 25 | 21 |
| Rainy days | 6 | 2 | 6 | 7 | 17 | 21 | 14 | 13 | 5 | 6 | 2 | 6 |
| Snow days | 4 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 |
The best time to visit Wiley during the most sunny months:
The largest precipitation sum in Wiley is at