Average annual temperature is 10.3 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: -24.8 °C
Number of sunny days: 220 days
Number of rainy days: 117 days
Number of snow days: 28 days
Look at detailed online map of Royal
* Weather data for Royal 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) | 4.1 | 8.2 | 17.4 | 28.4 | 31.4 | 33.8 | 37.3 | 39.7 | 37.9 | 30.8 | 18.6 | 13.6 |
| Average daytime temperature (°C) | -3.1 | 0.6 | 6.9 | 16.2 | 24.7 | 28.8 | 29.9 | 30.7 | 27.1 | 16.4 | 11.0 | 5.0 |
| Average temperature (°C) | -6.2 | -4.7 | -0.5 | 9.1 | 18.1 | 22.8 | 23.5 | 24.2 | 20.7 | 10.8 | 4.9 | 0.3 |
| Average night temperature (°C) | -9.2 | -9.1 | -4.9 | 3.4 | 12.0 | 16.7 | 17.8 | 18.8 | 15.1 | 6.2 | 0.3 | -3.2 |
| Absolute minimum temperature (°C) | -22.1 | -24.8 | -12.6 | -6.9 | 1.0 | 8.6 | 10.7 | 12.9 | 7.9 | -8.4 | -7.9 | -11.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.7 | 7.6 | 7.8 | 10.1 | 11.3 | 12.7 | 12.0 | 11.2 | 10.3 | 7.3 | 7.0 | 5.3 |
| Precipitation (mm) | 95 | 23 | 24 | 16 | 86 | 104 | 86 | 63 | 64 | 91 | 15 | 52 |
| Sunny days | 18 | 18 | 24 | 18 | 15 | 16 | 14 | 18 | 19 | 17 | 24 | 19 |
| Rainy days | 4 | 4 | 3 | 11 | 16 | 14 | 17 | 13 | 11 | 12 | 4 | 8 |
| Snow days | 9 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 |
The best time to visit Royal during the most sunny months:
The largest precipitation sum in Royal is at