Average annual temperature is 12.8 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -15.1 °C
Number of sunny days: 237 days
Number of rainy days: 111 days
Number of snow days: 17 days
Look at detailed online map of Royce
* Weather data for Royce 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) | 19.4 | 19.2 | 21.8 | 28.3 | 29.5 | 34.2 | 35.5 | 34.1 | 34.9 | 27.4 | 25.4 | 18.6 |
| Average daytime temperature (°C) | 8.7 | 11.0 | 14.3 | 20.4 | 23.4 | 26.8 | 31.4 | 30.5 | 28.0 | 20.3 | 15.0 | 10.3 |
| Average temperature (°C) | 2.1 | 3.0 | 6.1 | 11.5 | 16.6 | 19.7 | 24.2 | 23.8 | 21.1 | 13.2 | 7.8 | 3.6 |
| Average night temperature (°C) | -2.2 | -2.4 | 0.0 | 4.6 | 10.7 | 13.8 | 17.9 | 17.7 | 15.3 | 7.7 | 2.7 | -1.0 |
| Absolute minimum temperature (°C) | -14.4 | -15.1 | -6.8 | -5.5 | 6.2 | 8.8 | 13.9 | 13.9 | 10.1 | -6.5 | -6.4 | -6.6 |
| 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 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 8.2 | 9.0 | 9.9 | 11.0 | 10.8 | 11.9 | 12.3 | 11.9 | 10.3 | 9.7 | 8.5 | 7.7 |
| Precipitation (mm) | 4 | 19 | 5 | 37 | 43 | 74 | 30 | 18 | 49 | 9 | 1 | 32 |
| Sunny days | 25 | 22 | 23 | 22 | 11 | 10 | 13 | 19 | 21 | 25 | 24 | 22 |
| Rainy days | 4 | 2 | 4 | 7 | 20 | 20 | 18 | 12 | 9 | 6 | 3 | 6 |
| Snow days | 2 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The largest precipitation sum in Royce is at