Average annual temperature is 10.2 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -27.6 °C
Number of sunny days: 162 days
Number of rainy days: 186 days
Number of snow days: 17 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) | 11.3 | 13.7 | 13.3 | 28.9 | 31.3 | 32.5 | 31.7 | 28.7 | 32.1 | 27.8 | 18.0 | 14.3 |
| Average daytime temperature (°C) | 4.5 | 4.1 | 6.8 | 14.4 | 20.4 | 22.4 | 27.2 | 24.8 | 23.0 | 18.2 | 8.3 | 6.8 |
| Average temperature (°C) | 0.6 | -1.8 | 1.9 | 8.7 | 13.9 | 17.2 | 22.7 | 20.2 | 18.4 | 13.4 | 3.6 | 2.5 |
| Average night temperature (°C) | -2.7 | -6.6 | -2.1 | 4.4 | 8.5 | 13.2 | 19.0 | 16.2 | 14.9 | 9.7 | 0.1 | -0.4 |
| Absolute minimum temperature (°C) | -9.5 | -27.6 | -8.4 | -3.3 | 2.1 | 8.2 | 14.5 | 12.8 | 7.6 | 1.7 | -4.8 | -7.5 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 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) | 4.0 | 6.4 | 7.1 | 8.1 | 11.5 | 8.1 | 9.8 | 9.4 | 7.9 | 7.4 | 7.0 | 4.9 |
| Precipitation (mm) | 158 | 42 | 108 | 112 | 102 | 156 | 193 | 167 | 147 | 65 | 53 | 161 |
| Sunny days | 8 | 13 | 17 | 14 | 19 | 6 | 6 | 11 | 12 | 17 | 23 | 16 |
| Rainy days | 17 | 8 | 11 | 16 | 12 | 24 | 25 | 20 | 18 | 14 | 6 | 15 |
| Snow days | 6 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
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