Average annual temperature is 15.0 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 180 days
Number of rainy days: 183 days
Number of snow days: 2 days
Look at detailed online map of Swan Haven
* Weather data for Swan Haven 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) | 18.0 | 21.4 | 22.0 | 28.9 | 27.4 | 30.9 | 35.5 | 33.8 | 34.0 | 27.8 | 23.9 | 16.6 |
| Average daytime temperature (°C) | 10.5 | 11.6 | 13.1 | 21.1 | 22.0 | 26.7 | 30.9 | 29.5 | 26.1 | 21.4 | 13.6 | 11.1 |
| Average temperature (°C) | 6.6 | 6.9 | 7.8 | 15.3 | 16.8 | 21.4 | 26.0 | 24.8 | 21.5 | 16.4 | 8.8 | 7.1 |
| Average night temperature (°C) | 3.4 | 2.8 | 3.3 | 10.8 | 12.1 | 16.9 | 22.0 | 21.0 | 17.9 | 12.6 | 5.1 | 3.8 |
| Absolute minimum temperature (°C) | -2.8 | -8.2 | -2.4 | 3.8 | 6.6 | 12.1 | 19.4 | 17.1 | 12.5 | 6.4 | -3.4 | -1.3 |
| 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 | 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 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 5.5 | 7.1 | 7.7 | 9.7 | 10.9 | 11.1 | 11.8 | 10.5 | 8.2 | 8.9 | 7.6 | 5.4 |
| Precipitation (mm) | 66 | 62 | 67 | 111 | 64 | 130 | 150 | 82 | 94 | 23 | 60 | 184 |
| Sunny days | 14 | 17 | 15 | 16 | 15 | 12 | 8 | 13 | 13 | 21 | 21 | 15 |
| Rainy days | 17 | 11 | 15 | 14 | 16 | 18 | 23 | 18 | 17 | 10 | 8 | 16 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Swan Haven during the most sunny months:
The largest precipitation sum in Swan Haven is at