Average annual temperature is 8.5 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: -23.6 °C
Number of sunny days: 205 days
Number of rainy days: 119 days
Number of snow days: 41 days
Look at detailed online map of City of Roy
* Weather data for City of Roy 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) | 7.1 | 6.7 | 13.2 | 25.5 | 28.2 | 29.8 | 39.4 | 36.0 | 30.6 | 23.4 | 17.8 | 9.6 |
| Average daytime temperature (°C) | 0.5 | 0.6 | 5.2 | 13.1 | 22.9 | 24.9 | 34.9 | 30.3 | 25.5 | 16.8 | 9.2 | 3.7 |
| Average temperature (°C) | -3.9 | -5.1 | -0.1 | 5.2 | 14.6 | 17.6 | 25.7 | 22.2 | 16.6 | 8.5 | 2.0 | -2.8 |
| Average night temperature (°C) | -7.8 | -10.1 | -4.5 | -1.4 | 6.1 | 9.4 | 15.1 | 13.9 | 8.7 | 1.6 | -3.4 | -8.2 |
| Absolute minimum temperature (°C) | -23.6 | -18.2 | -11.7 | -12.6 | 0.3 | 5.7 | 10.3 | 8.5 | 1.1 | -7.8 | -9.9 | -16.3 |
| 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 | 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) | 4.7 | 7.3 | 7.4 | 10.1 | 12.0 | 12.2 | 13.2 | 11.9 | 10.8 | 8.6 | 7.2 | 6.6 |
| Precipitation (mm) | 113 | 42 | 116 | 53 | 27 | 39 | 6 | 29 | 47 | 44 | 34 | 57 |
| Sunny days | 8 | 14 | 9 | 16 | 11 | 13 | 28 | 21 | 18 | 23 | 21 | 23 |
| Rainy days | 11 | 2 | 13 | 8 | 20 | 17 | 3 | 10 | 12 | 8 | 9 | 6 |
| Snow days | 12 | 12 | 9 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit City of Roy during the most sunny months:
The largest precipitation sum in City of Roy is at