Average annual temperature is 11.8 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 152 days
Number of rainy days: 201 days
Number of snow days: 12 days
Look at detailed online map of Dean
* Weather data for Dean 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) | 17.1 | 20.9 | 22.3 | 27.9 | 28.4 | 32.4 | 31.1 | 30.1 | 30.4 | 26.5 | 18.9 | 16.3 |
| Average daytime temperature (°C) | 8.0 | 11.3 | 11.2 | 18.5 | 21.1 | 25.2 | 27.7 | 26.0 | 23.3 | 17.8 | 11.3 | 8.5 |
| Average temperature (°C) | 3.2 | 4.6 | 4.8 | 11.6 | 14.8 | 18.9 | 22.2 | 20.8 | 18.0 | 12.7 | 5.7 | 4.1 |
| Average night temperature (°C) | 0.0 | -0.3 | 0.1 | 5.7 | 9.2 | 13.3 | 17.9 | 16.4 | 13.7 | 8.8 | 1.4 | 1.0 |
| Absolute minimum temperature (°C) | -7.1 | -11.6 | -9.2 | -1.1 | 1.4 | 8.1 | 14.1 | 11.1 | 8.2 | -0.3 | -8.1 | -6.2 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 3.4 | 6.7 | 6.9 | 8.6 | 9.9 | 11.0 | 11.3 | 10.6 | 9.0 | 7.1 | 7.0 | 4.9 |
| Precipitation (mm) | 139 | 69 | 151 | 75 | 91 | 110 | 100 | 114 | 71 | 90 | 62 | 63 |
| Sunny days | 7 | 13 | 12 | 15 | 17 | 13 | 6 | 9 | 13 | 14 | 20 | 13 |
| Rainy days | 21 | 12 | 16 | 15 | 14 | 17 | 25 | 22 | 17 | 17 | 9 | 16 |
| Snow days | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Dean during the most sunny months:
The largest precipitation sum in Dean is at