Average annual temperature is 8.3 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -27.5 °C
Number of sunny days: 212 days
Number of rainy days: 124 days
Number of snow days: 29 days
Look at detailed online map of Swift County
* Weather data for Swift County 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) | 1.3 | 4.0 | 3.8 | 26.4 | 33.3 | 33.5 | 33.9 | 35.8 | 35.9 | 31.7 | 16.7 | 10.9 |
| Average daytime temperature (°C) | -5.1 | -3.3 | -0.8 | 9.8 | 23.9 | 29.5 | 28.1 | 27.9 | 25.3 | 14.7 | 7.9 | 4.1 |
| Average temperature (°C) | -8.5 | -9.0 | -5.3 | 4.1 | 17.3 | 23.5 | 22.2 | 22.3 | 19.6 | 10.1 | 2.3 | 0.0 |
| Average night temperature (°C) | -11.6 | -13.8 | -9.1 | -0.6 | 10.9 | 17.4 | 16.5 | 17.4 | 14.8 | 6.0 | -1.9 | -3.2 |
| Absolute minimum temperature (°C) | -26.5 | -27.5 | -19.8 | -10.0 | 0.0 | 11.0 | 10.3 | 12.6 | 7.9 | -5.5 | -12.5 | -10.2 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 11.0 | 9.5 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.8 | 7.1 | 7.0 | 8.9 | 11.9 | 13.0 | 12.6 | 11.6 | 10.2 | 7.4 | 6.5 | 4.1 |
| Precipitation (mm) | 32 | 39 | 68 | 69 | 45 | 67 | 50 | 80 | 45 | 105 | 7 | 78 |
| Sunny days | 20 | 19 | 19 | 13 | 20 | 16 | 15 | 18 | 15 | 17 | 22 | 18 |
| Rainy days | 5 | 3 | 5 | 15 | 11 | 14 | 16 | 13 | 15 | 12 | 6 | 9 |
| Snow days | 6 | 6 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 |
The best time to visit Swift County during the most sunny months:
Months with the longest average daylight duration in Swift County:
The largest precipitation sum in Swift County is at