Average annual temperature is 9.3 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -23.9 °C
Number of sunny days: 174 days
Number of rainy days: 158 days
Number of snow days: 33 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) | 5.8 | 10.3 | 11.4 | 26.5 | 32.9 | 34.1 | 33.1 | 32.2 | 31.6 | 28.2 | 15.0 | 12.5 |
| Average daytime temperature (°C) | 1.3 | 2.6 | 5.1 | 14.2 | 21.8 | 26.9 | 27.2 | 25.1 | 22.5 | 15.2 | 7.3 | 5.4 |
| Average temperature (°C) | -1.9 | -2.7 | -0.1 | 7.9 | 14.3 | 19.7 | 21.2 | 19.2 | 17.0 | 10.8 | 2.7 | 2.1 |
| Average night temperature (°C) | -4.6 | -7.0 | -4.3 | 2.6 | 7.6 | 13.2 | 16.0 | 14.4 | 12.8 | 7.6 | -0.7 | -0.1 |
| Absolute minimum temperature (°C) | -23.9 | -22.2 | -9.6 | -5.3 | 1.2 | 7.3 | 11.9 | 8.7 | 6.7 | -2.7 | -8.3 | -5.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 2.9 | 6.0 | 7.1 | 8.5 | 10.7 | 11.9 | 12.1 | 10.4 | 8.8 | 6.1 | 5.7 | 3.5 |
| Precipitation (mm) | 57 | 75 | 57 | 75 | 18 | 48 | 144 | 195 | 42 | 69 | 47 | 53 |
| Sunny days | 11 | 12 | 12 | 12 | 23 | 19 | 5 | 15 | 17 | 13 | 19 | 16 |
| Rainy days | 13 | 10 | 7 | 16 | 8 | 11 | 26 | 16 | 13 | 17 | 8 | 13 |
| Snow days | 7 | 6 | 12 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 2 |
The best time to visit Dover during the most sunny months:
Months with the longest average daylight duration in Dover:
The largest precipitation sum in Dover is at