Average annual temperature is 10.9 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -15.5 °C
Number of sunny days: 215 days
Number of rainy days: 120 days
Number of snow days: 30 days
Look at detailed online map of Riley Place
* Weather data for Riley Place 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) | 11.3 | 12.0 | 17.5 | 23.7 | 25.5 | 32.1 | 34.9 | 33.6 | 31.3 | 24.8 | 19.8 | 12.2 |
| Average daytime temperature (°C) | 4.1 | 5.8 | 9.8 | 17.5 | 21.8 | 26.6 | 32.4 | 28.7 | 25.4 | 20.1 | 11.4 | 5.7 |
| Average temperature (°C) | -0.8 | -0.4 | 3.6 | 9.6 | 14.8 | 19.7 | 25.1 | 21.7 | 18.6 | 13.0 | 5.1 | 0.4 |
| Average night temperature (°C) | -4.6 | -5.1 | -1.1 | 2.9 | 8.3 | 12.7 | 17.9 | 15.6 | 12.4 | 6.7 | 0.3 | -3.4 |
| Absolute minimum temperature (°C) | -15.5 | -15.2 | -11.6 | -7.9 | 3.4 | 7.6 | 12.5 | 12.6 | 8.7 | -6.5 | -8.6 | -9.9 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 8.4 | 9.7 | 11.5 | 11.9 | 13.0 | 12.9 | 11.3 | 10.8 | 10.3 | 8.7 | 8.0 |
| Precipitation (mm) | 29 | 26 | 42 | 8 | 71 | 35 | 15 | 55 | 40 | 2 | 28 | 47 |
| Sunny days | 19 | 13 | 14 | 23 | 13 | 18 | 19 | 10 | 16 | 24 | 22 | 24 |
| Rainy days | 3 | 6 | 11 | 7 | 18 | 12 | 12 | 21 | 14 | 5 | 7 | 4 |
| Snow days | 9 | 9 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 |
The largest precipitation sum in Riley Place is at