Average annual temperature is 11.9 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 169 days
Number of rainy days: 182 days
Number of snow days: 14 days
Look at detailed online map of Township of Riley
* Weather data for Township of Riley 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) | 17.0 | 19.2 | 18.5 | 26.6 | 30.0 | 32.3 | 32.2 | 32.1 | 32.2 | 29.1 | 19.9 | 16.8 |
| Average daytime temperature (°C) | 5.0 | 9.0 | 9.3 | 17.3 | 21.8 | 26.3 | 28.5 | 26.8 | 24.8 | 17.8 | 11.1 | 8.6 |
| Average temperature (°C) | 1.7 | 2.7 | 3.7 | 10.7 | 15.5 | 20.2 | 23.3 | 21.5 | 19.4 | 13.2 | 5.7 | 4.8 |
| Average night temperature (°C) | -1.2 | -1.6 | -0.4 | 4.9 | 9.6 | 14.4 | 18.4 | 16.8 | 14.5 | 9.3 | 1.8 | 2.1 |
| Absolute minimum temperature (°C) | -11.9 | -11.3 | -7.6 | -2.6 | 2.2 | 9.4 | 13.6 | 10.6 | 8.8 | -3.0 | -7.5 | -4.8 |
| 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 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 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) | 2.9 | 7.3 | 6.9 | 8.8 | 10.4 | 10.6 | 12.1 | 10.7 | 9.2 | 7.0 | 7.2 | 4.2 |
| Precipitation (mm) | 101 | 77 | 107 | 71 | 79 | 90 | 108 | 91 | 13 | 71 | 27 | 55 |
| Sunny days | 8 | 16 | 12 | 12 | 20 | 14 | 10 | 13 | 18 | 12 | 21 | 13 |
| Rainy days | 17 | 10 | 15 | 18 | 11 | 16 | 21 | 18 | 12 | 18 | 9 | 17 |
| Snow days | 6 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
The best time to visit Township of Riley during the most sunny months:
The largest precipitation sum in Township of Riley is at