Average annual temperature is 9.8 °C
Absolute maximum temperature: 28.5 °C
Absolute minimum temperature: -16.6 °C
Number of sunny days: 137 days
Number of rainy days: 207 days
Number of snow days: 21 days
Look at detailed online map of Roytown
* Weather data for Roytown 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) | 15.9 | 17.6 | 18.0 | 25.4 | 25.9 | 28.1 | 28.5 | 28.5 | 28.5 | 23.6 | 16.1 | 15.1 |
| Average daytime temperature (°C) | 5.0 | 8.0 | 7.6 | 16.2 | 18.5 | 22.1 | 25.3 | 24.1 | 20.7 | 15.3 | 8.6 | 6.2 |
| Average temperature (°C) | 1.0 | 2.1 | 2.1 | 9.9 | 12.6 | 16.8 | 20.6 | 19.2 | 16.0 | 10.9 | 3.7 | 2.5 |
| Average night temperature (°C) | -1.7 | -2.7 | -1.9 | 4.8 | 7.1 | 12.0 | 16.8 | 15.1 | 12.1 | 7.4 | 0.0 | -0.3 |
| Absolute minimum temperature (°C) | -9.9 | -16.6 | -11.2 | -3.5 | -0.1 | 6.3 | 12.4 | 9.9 | 7.2 | -1.9 | -9.4 | -6.8 |
| 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 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 2.6 | 6.1 | 6.0 | 8.4 | 10.4 | 10.7 | 11.4 | 10.4 | 8.6 | 6.3 | 6.6 | 3.9 |
| Precipitation (mm) | 117 | 74 | 105 | 68 | 99 | 132 | 132 | 95 | 68 | 98 | 59 | 78 |
| Sunny days | 5 | 11 | 10 | 13 | 21 | 10 | 4 | 6 | 14 | 14 | 17 | 12 |
| Rainy days | 18 | 14 | 16 | 16 | 10 | 20 | 27 | 25 | 16 | 17 | 12 | 16 |
| Snow days | 8 | 3 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit Roytown during the most sunny months:
The largest precipitation sum in Roytown is at