Average annual temperature is 10.5 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: -18.7 °C
Number of sunny days: 142 days
Number of rainy days: 203 days
Number of snow days: 20 days
Look at detailed online map of Reilly
* Weather data for Reilly 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) | 15.7 | 15.0 | 15.0 | 28.9 | 28.7 | 31.6 | 30.7 | 28.3 | 31.4 | 26.7 | 17.1 | 11.9 |
| Average daytime temperature (°C) | 5.3 | 6.6 | 7.4 | 16.5 | 20.1 | 23.2 | 27.2 | 24.7 | 22.0 | 16.6 | 8.4 | 6.2 |
| Average temperature (°C) | 1.9 | 1.2 | 2.4 | 10.5 | 13.6 | 17.9 | 22.1 | 20.0 | 17.3 | 12.3 | 3.8 | 2.7 |
| Average night temperature (°C) | -0.8 | -3.2 | -1.8 | 5.6 | 7.5 | 13.3 | 17.9 | 15.8 | 13.5 | 8.8 | 0.3 | 0.2 |
| Absolute minimum temperature (°C) | -7.5 | -18.7 | -7.8 | -2.8 | 0.7 | 7.3 | 13.5 | 11.9 | 8.2 | 1.4 | -6.8 | -5.6 |
| 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) | 4.0 | 6.6 | 7.0 | 8.7 | 12.0 | 10.9 | 11.6 | 10.4 | 8.3 | 7.5 | 7.2 | 3.5 |
| Precipitation (mm) | 107 | 43 | 96 | 105 | 38 | 119 | 119 | 118 | 135 | 90 | 63 | 140 |
| Sunny days | 7 | 12 | 9 | 14 | 20 | 10 | 5 | 7 | 14 | 16 | 16 | 12 |
| Rainy days | 18 | 12 | 16 | 16 | 11 | 20 | 26 | 24 | 16 | 15 | 13 | 16 |
| Snow days | 6 | 4 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit Reilly during the most sunny months:
The largest precipitation sum in Reilly is at