Average annual temperature is 12.4 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: -19.9 °C
Number of sunny days: 242 days
Number of rainy days: 97 days
Number of snow days: 26 days
Look at detailed online map of Swallows
* Weather data for Swallows 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) | 16.1 | 15.4 | 21.2 | 30.0 | 30.0 | 36.3 | 39.9 | 37.7 | 36.5 | 30.2 | 22.9 | 18.3 |
| Average daytime temperature (°C) | 6.6 | 10.4 | 13.4 | 19.6 | 23.6 | 26.7 | 33.9 | 33.1 | 28.9 | 21.5 | 15.1 | 9.3 |
| Average temperature (°C) | 0.4 | 1.4 | 4.8 | 10.7 | 16.3 | 19.6 | 25.9 | 25.4 | 21.1 | 13.5 | 6.9 | 2.4 |
| Average night temperature (°C) | -3.9 | -4.7 | -2.0 | 3.3 | 10.1 | 13.4 | 18.6 | 18.8 | 14.3 | 6.9 | 1.3 | -2.1 |
| Absolute minimum temperature (°C) | -19.9 | -18.2 | -7.9 | -4.3 | 5.5 | 10.7 | 14.7 | 14.7 | 10.2 | -12.8 | -8.4 | -8.2 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 7.0 | 8.9 | 10.1 | 10.6 | 11.7 | 12.3 | 12.7 | 12.0 | 10.9 | 9.9 | 8.2 | 7.5 |
| Precipitation (mm) | 15 | 15 | 11 | 53 | 89 | 109 | 19 | 42 | 47 | 7 | 4 | 28 |
| Sunny days | 19 | 19 | 23 | 21 | 13 | 13 | 18 | 18 | 25 | 27 | 24 | 22 |
| Rainy days | 5 | 4 | 6 | 7 | 18 | 17 | 13 | 13 | 5 | 3 | 4 | 2 |
| Snow days | 7 | 5 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 7 |
The largest precipitation sum in Swallows is at