Average annual temperature is 15.1 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 185 days
Number of rainy days: 177 days
Number of snow days: 3 days
Look at detailed online map of Swan Lake
* Weather data for Swan Lake 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) | 19.1 | 25.7 | 25.4 | 28.2 | 28.1 | 32.0 | 36.1 | 36.6 | 34.2 | 30.2 | 25.6 | 18.5 |
| Average daytime temperature (°C) | 12.1 | 14.8 | 15.7 | 20.6 | 24.7 | 27.9 | 31.3 | 29.8 | 27.8 | 21.9 | 16.4 | 12.2 |
| Average temperature (°C) | 6.8 | 8.8 | 9.1 | 14.1 | 18.2 | 21.4 | 25.0 | 23.9 | 20.9 | 15.9 | 9.6 | 6.7 |
| Average night temperature (°C) | 3.3 | 4.3 | 4.4 | 8.6 | 12.7 | 15.9 | 19.9 | 19.1 | 15.6 | 10.8 | 4.7 | 3.0 |
| Absolute minimum temperature (°C) | -6.0 | -6.3 | -7.1 | 1.1 | 4.8 | 10.9 | 16.4 | 13.2 | 11.9 | 3.9 | -4.9 | -5.6 |
| 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 | 10.8 | 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) | 5.2 | 6.2 | 8.0 | 9.5 | 10.5 | 10.9 | 11.1 | 10.2 | 10.4 | 8.0 | 7.6 | 6.1 |
| Precipitation (mm) | 133 | 125 | 108 | 75 | 84 | 102 | 79 | 79 | 50 | 25 | 59 | 102 |
| Sunny days | 10 | 15 | 19 | 19 | 13 | 12 | 7 | 12 | 20 | 20 | 21 | 17 |
| Rainy days | 20 | 12 | 11 | 11 | 18 | 18 | 24 | 19 | 10 | 11 | 9 | 14 |
| Snow days | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Swan Lake during the most sunny months:
The largest precipitation sum in Swan Lake is at