Average annual temperature is 5.7 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -29.0 °C
Number of sunny days: 212 days
Number of rainy days: 104 days
Number of snow days: 49 days
Look at detailed online map of Lake Williams
* Weather data for Lake Williams 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) | 1.5 | 2.7 | -1.7 | 13.8 | 27.2 | 33.2 | 33.3 | 32.5 | 32.3 | 28.0 | 10.7 | 10.3 |
| Average daytime temperature (°C) | -7.0 | -4.5 | -6.3 | 4.3 | 21.5 | 26.0 | 25.5 | 26.2 | 22.7 | 11.6 | 4.1 | 1.7 |
| Average temperature (°C) | -10.3 | -9.5 | -10.0 | -0.1 | 15.2 | 20.8 | 19.8 | 20.6 | 17.3 | 6.9 | -0.3 | -2.5 |
| Average night temperature (°C) | -13.1 | -13.8 | -13.2 | -3.6 | 9.1 | 15.8 | 14.9 | 16.5 | 13.0 | 3.1 | -3.8 | -5.9 |
| Absolute minimum temperature (°C) | -27.8 | -29.0 | -19.9 | -13.8 | -2.2 | 10.1 | 10.1 | 11.6 | 8.4 | -12.6 | -13.0 | -12.4 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.8 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.3 | 6.8 | 7.7 | 8.5 | 11.5 | 12.0 | 13.0 | 10.4 | 9.2 | 7.1 | 6.4 | 5.2 |
| Precipitation (mm) | 10 | 13 | 47 | 43 | 81 | 83 | 37 | 70 | 112 | 55 | 5 | 25 |
| Sunny days | 25 | 15 | 13 | 16 | 15 | 14 | 12 | 18 | 18 | 18 | 26 | 22 |
| Rainy days | 1 | 0 | 1 | 9 | 16 | 16 | 19 | 13 | 12 | 9 | 2 | 6 |
| Snow days | 5 | 13 | 17 | 5 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 3 |
The best time to visit Lake Williams during the most sunny months:
Months with the longest average daylight duration in Lake Williams:
The largest precipitation sum in Lake Williams is at