Average annual temperature is 14.7 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 0.3 °C
Number of sunny days: 254 days
Number of rainy days: 111 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) | 19.6 | 20.5 | 21.1 | 28.3 | 27.4 | 30.6 | 32.9 | 34.6 | 28.9 | 37.7 | 29.4 | 23.6 |
| Average daytime temperature (°C) | 15.1 | 15.0 | 15.0 | 18.5 | 19.4 | 21.6 | 27.0 | 28.2 | 24.4 | 26.2 | 21.7 | 18.4 |
| Average temperature (°C) | 10.3 | 9.1 | 10.0 | 12.7 | 14.1 | 15.7 | 19.8 | 20.5 | 18.0 | 18.2 | 14.9 | 12.8 |
| Average night temperature (°C) | 6.7 | 4.3 | 6.0 | 8.2 | 10.2 | 11.6 | 14.2 | 15.3 | 13.9 | 13.0 | 9.9 | 8.7 |
| Absolute minimum temperature (°C) | 0.5 | 0.3 | 1.3 | 3.9 | 6.5 | 8.2 | 11.3 | 12.6 | 11.3 | 6.8 | 4.0 | 3.4 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 5.9 | 7.6 | 7.8 | 11.2 | 10.7 | 12.6 | 13.2 | 12.1 | 10.9 | 10.1 | 8.6 | 6.7 |
| Precipitation (mm) | 233 | 107 | 202 | 3 | 30 | 7 | 0 | 1 | 9 | 4 | 25 | 100 |
| Sunny days | 12 | 13 | 9 | 22 | 22 | 27 | 31 | 29 | 25 | 26 | 22 | 16 |
| Rainy days | 19 | 15 | 22 | 8 | 9 | 3 | 0 | 2 | 5 | 5 | 8 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Dean during the most sunny months:
The largest precipitation sum in Dean is at