Average annual temperature is 8.1 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -24.9 °C
Number of sunny days: 171 days
Number of rainy days: 124 days
Number of snow days: 70 days
Look at detailed online map of Swan River (historical)
* Weather data for Swan River (historical) 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) | 6.5 | 4.4 | 8.9 | 24.8 | 26.8 | 28.5 | 33.8 | 34.8 | 26.6 | 23.6 | 10.9 | 10.6 |
| Average daytime temperature (°C) | 0.5 | 0.4 | 3.9 | 10.2 | 21.5 | 22.8 | 29.0 | 27.7 | 20.6 | 13.3 | 5.8 | 4.5 |
| Average temperature (°C) | -2.2 | -3.1 | -1.9 | 4.3 | 14.1 | 16.7 | 21.9 | 21.0 | 15.1 | 8.0 | 2.0 | 0.4 |
| Average night temperature (°C) | -4.2 | -5.8 | -5.9 | -0.2 | 7.2 | 10.9 | 14.5 | 15.4 | 10.7 | 3.9 | -1.0 | -2.8 |
| Absolute minimum temperature (°C) | -19.8 | -24.9 | -13.3 | -7.5 | 1.2 | 4.4 | 10.0 | 11.0 | 5.4 | -9.6 | -8.2 | -12.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.7 | 5.0 | 8.4 | 10.0 | 11.9 | 12.6 | 14.1 | 11.0 | 9.7 | 7.6 | 5.6 | 3.9 |
| Precipitation (mm) | 51 | 67 | 31 | 52 | 89 | 53 | 3 | 91 | 50 | 52 | 95 | 70 |
| Sunny days | 10 | 7 | 15 | 13 | 14 | 10 | 25 | 20 | 15 | 17 | 12 | 13 |
| Rainy days | 3 | 4 | 2 | 8 | 17 | 20 | 6 | 11 | 15 | 11 | 17 | 10 |
| Snow days | 18 | 17 | 14 | 9 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 8 |
The best time to visit Swan River (historical) during the most sunny months:
Months with the longest average daylight duration in Swan River (historical):
The largest precipitation sum in Swan River (historical) is at