Average annual temperature is 6.4 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -30 °C
Number of sunny days: 181
Number of rainy days: 135
Number of snow days: 49
Average annual precipitation: 555 mm
Look at detailed online map of Roy Lake
* Weather data for Roy Lake United States is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.9 | 7.9 | 3.8 | 15.5 | 29.5 | 31.7 | 32.8 | 31.7 | 33.5 | 28.8 | 12.3 | 8.2 |
| Average daytime temperature (°C) | -6.1 | -3.9 | -1.7 | 6.8 | 21.5 | 25.7 | 25 | 25.7 | 22.9 | 12 | 3.6 | 1.3 |
| Average temperature (°C) | -9.4 | -9.6 | -6.4 | 1.8 | 15 | 20.6 | 19.5 | 20.2 | 17.7 | 8.1 | -0.6 | -1.8 |
| Average night temperature (°C) | -12 | -14.2 | -10.5 | -2.2 | 9.5 | 16 | 14.9 | 16 | 13.8 | 5.1 | -3.6 | -4.1 |
| Absolute minimum temperature (°C) | -28.2 | -30 | -18.5 | -12.3 | -0.6 | 10 | 9.7 | 11.7 | 7.2 | -7.1 | -13.9 | -15.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.5 | 11 | 12.8 | 14.4 | 15.7 | 16 | 15.9 | 14.9 | 13.4 | 11.7 | 10 | 8.8 |
| Daylight mean duration (h) | 9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.5 |
| Daylight minimum duration (h) | 8.5 | 9.6 | 11.1 | 12.8 | 14.5 | 15.7 | 15 | 13.4 | 11.8 | 10.1 | 8.8 | 8.5 |
| Sunshine mean duration (h) | 4.7 | 7.7 | 7.6 | 8.8 | 12 | 12.4 | 12.8 | 10.9 | 9.3 | 6.2 | 5.9 | 5 |
| Precipitation (mm) | 15 | 20 | 44 | 63 | 54 | 62 | 35 | 64 | 69 | 57 | 20 | 53 |
| Sunny days | 23 | 20 | 16 | 11 | 17 | 11 | 13 | 10 | 11 | 13 | 19 | 17 |
| Snow days | 8 | 6 | 14 | 9 | 3 | 3 | 6 |
The best time to visit Roy Lake during the most sunny months:
Months with the longest average daylight duration in Roy Lake:
The largest precipitation sum in Roy Lake is at