Average annual temperature is 12.0 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -10.7 °C
Number of sunny days: 159 days
Number of rainy days: 193 days
Number of snow days: 13 days
Look at detailed online map of Dover
* Weather data for Dover 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) | 15.3 | 20.9 | 19.7 | 27.1 | 30.4 | 32.9 | 33.4 | 32.6 | 33.0 | 28.2 | 18.8 | 15.8 |
| Average daytime temperature (°C) | 6.7 | 10.6 | 10.0 | 18.0 | 22.1 | 26.0 | 29.5 | 27.6 | 24.8 | 18.0 | 10.9 | 8.6 |
| Average temperature (°C) | 2.6 | 3.6 | 4.2 | 11.0 | 15.2 | 19.7 | 23.2 | 21.5 | 18.9 | 13.0 | 5.7 | 4.5 |
| Average night temperature (°C) | -0.5 | -1.2 | -0.2 | 5.3 | 9.2 | 14.1 | 18.1 | 16.6 | 14.2 | 9.0 | 1.8 | 1.6 |
| Absolute minimum temperature (°C) | -6.8 | -10.7 | -7.4 | -1.9 | 2.0 | 9.1 | 13.8 | 11.9 | 8.8 | -0.3 | -7.2 | -4.8 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| 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) | 2.9 | 6.6 | 6.7 | 8.8 | 10.7 | 10.9 | 11.7 | 11.0 | 8.9 | 6.8 | 6.8 | 4.1 |
| Precipitation (mm) | 146 | 58 | 126 | 121 | 76 | 120 | 100 | 116 | 39 | 65 | 49 | 65 |
| Sunny days | 11 | 13 | 12 | 14 | 19 | 13 | 7 | 11 | 14 | 15 | 18 | 12 |
| Rainy days | 15 | 13 | 15 | 16 | 12 | 17 | 24 | 20 | 16 | 16 | 11 | 18 |
| Snow days | 5 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Dover during the most sunny months:
The largest precipitation sum in Dover is at