Average annual temperature is 11.9 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: -23.0 °C
Number of sunny days: 209 days
Number of rainy days: 136 days
Number of snow days: 20 days
Look at detailed online map of Swan
* Weather data for Swan 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) | 12.4 | 13.8 | 23.1 | 28.2 | 31.0 | 32.4 | 35.1 | 37.5 | 35.0 | 32.1 | 19.0 | 14.8 |
| Average daytime temperature (°C) | 1.1 | 5.3 | 8.5 | 17.9 | 25.0 | 29.1 | 29.1 | 29.0 | 27.0 | 18.4 | 11.1 | 7.1 |
| Average temperature (°C) | -3.0 | -1.1 | 2.5 | 10.8 | 18.5 | 23.2 | 23.7 | 24.0 | 21.1 | 13.5 | 5.7 | 2.9 |
| Average night temperature (°C) | -6.1 | -5.7 | -1.8 | 5.3 | 12.3 | 17.6 | 18.6 | 19.7 | 16.0 | 9.4 | 1.4 | -0.4 |
| Absolute minimum temperature (°C) | -23.0 | -22.7 | -12.3 | -4.0 | 2.0 | 10.1 | 13.0 | 13.8 | 10.3 | -3.6 | -11.1 | -6.3 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 4.7 | 7.2 | 7.2 | 9.4 | 11.5 | 12.3 | 12.2 | 11.5 | 10.6 | 7.6 | 7.2 | 4.6 |
| Precipitation (mm) | 48 | 61 | 68 | 36 | 56 | 56 | 131 | 98 | 34 | 79 | 12 | 49 |
| Sunny days | 17 | 18 | 15 | 17 | 21 | 16 | 14 | 17 | 17 | 17 | 24 | 16 |
| Rainy days | 6 | 8 | 14 | 12 | 10 | 14 | 17 | 14 | 13 | 13 | 4 | 11 |
| Snow days | 8 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4 |
The best time to visit Swan during the most sunny months:
The largest precipitation sum in Swan is at