Average annual temperature is 11.5 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -21.6 °C
Number of sunny days: 196 days
Number of rainy days: 151 days
Number of snow days: 18 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) | 12.0 | 14.2 | 21.7 | 25.6 | 32.3 | 33.4 | 35.2 | 36.4 | 33.5 | 28.5 | 19.3 | 14.8 |
| Average daytime temperature (°C) | 2.9 | 5.8 | 8.6 | 17.4 | 24.1 | 29.0 | 28.5 | 28.4 | 25.2 | 17.5 | 10.0 | 6.7 |
| Average temperature (°C) | -1.3 | 0.1 | 3.1 | 10.2 | 17.4 | 22.4 | 23.0 | 22.7 | 19.7 | 12.6 | 4.8 | 2.9 |
| Average night temperature (°C) | -4.2 | -4.0 | -1.0 | 4.2 | 11.2 | 15.9 | 17.8 | 17.9 | 15.2 | 8.6 | 0.6 | 0.1 |
| Absolute minimum temperature (°C) | -21.6 | -19.7 | -12.6 | -2.2 | 1.4 | 8.5 | 13.8 | 11.1 | 9.4 | -2.6 | -11.4 | -8.7 |
| 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) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 3.6 | 7.3 | 6.8 | 9.5 | 11.0 | 12.6 | 12.4 | 10.8 | 9.0 | 7.3 | 7.3 | 4.2 |
| Precipitation (mm) | 58 | 68 | 110 | 60 | 115 | 23 | 137 | 79 | 84 | 72 | 38 | 69 |
| Sunny days | 13 | 16 | 17 | 13 | 20 | 19 | 16 | 17 | 15 | 12 | 22 | 16 |
| Rainy days | 8 | 9 | 14 | 17 | 11 | 11 | 15 | 14 | 15 | 18 | 6 | 13 |
| Snow days | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Dover during the most sunny months:
The largest precipitation sum in Dover is at