Average annual temperature is 9.3 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -28.6 °C
Number of sunny days: 148 days
Number of rainy days: 194 days
Number of snow days: 23 days
Look at detailed online map of Town of Royalston
* Weather data for Town of Royalston 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) | 10.4 | 12.4 | 13.3 | 29.0 | 29.6 | 33.2 | 30.6 | 26.9 | 31.1 | 27.1 | 16.5 | 14.5 |
| Average daytime temperature (°C) | 3.6 | 3.5 | 5.7 | 14.6 | 19.8 | 22.8 | 26.3 | 23.8 | 21.4 | 16.6 | 6.6 | 5.9 |
| Average temperature (°C) | -0.2 | -2.0 | 0.8 | 8.5 | 13.1 | 17.1 | 21.6 | 19.0 | 16.9 | 11.9 | 2.1 | 1.7 |
| Average night temperature (°C) | -3.6 | -6.8 | -3.5 | 3.7 | 6.9 | 12.4 | 17.6 | 15.1 | 13.4 | 8.2 | -1.5 | -1.1 |
| Absolute minimum temperature (°C) | -8.4 | -28.6 | -9.2 | -4.4 | -1.0 | 5.6 | 11.8 | 10.7 | 6.5 | -0.8 | -7.4 | -8.4 |
| 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 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 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) | 4.0 | 6.4 | 7.2 | 8.4 | 11.5 | 9.6 | 10.0 | 9.6 | 7.5 | 7.2 | 7.0 | 5.0 |
| Precipitation (mm) | 156 | 50 | 117 | 71 | 68 | 122 | 247 | 175 | 152 | 85 | 56 | 148 |
| Sunny days | 10 | 13 | 12 | 15 | 17 | 4 | 6 | 9 | 13 | 15 | 20 | 14 |
| Rainy days | 16 | 8 | 13 | 15 | 14 | 26 | 25 | 22 | 17 | 16 | 8 | 14 |
| Snow days | 5 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Town of Royalston during the most sunny months:
Months with the longest average daylight duration in Town of Royalston:
The largest precipitation sum in Town of Royalston is at