Average annual temperature is 9.6 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -27.4 °C
Number of sunny days: 199 days
Number of rainy days: 124 days
Number of snow days: 42 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) | 10.7 | 13.3 | 17.0 | 26.3 | 25.5 | 30.8 | 34.0 | 35.2 | 32.7 | 28.0 | 21.7 | 15.9 |
| Average daytime temperature (°C) | 1.0 | 5.8 | 7.6 | 15.3 | 20.7 | 23.2 | 29.3 | 29.1 | 26.2 | 18.4 | 12.0 | 7.8 |
| Average temperature (°C) | -3.3 | -1.5 | 0.4 | 7.0 | 14.0 | 17.0 | 22.0 | 21.8 | 18.8 | 11.1 | 4.8 | 2.1 |
| Average night temperature (°C) | -7.4 | -6.9 | -4.6 | 0.6 | 8.0 | 11.7 | 15.7 | 15.6 | 12.1 | 4.7 | -0.6 | -2.1 |
| Absolute minimum temperature (°C) | -25.1 | -27.4 | -15.6 | -10.4 | 2.9 | 8.4 | 11.7 | 10.2 | 7.2 | -8.6 | -10.8 | -7.4 |
| 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 | 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 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 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) | 5.9 | 8.6 | 9.2 | 10.4 | 10.4 | 11.1 | 12.2 | 11.6 | 11.1 | 9.2 | 7.8 | 7.3 |
| Precipitation (mm) | 30 | 12 | 18 | 43 | 127 | 134 | 87 | 45 | 13 | 18 | 11 | 7 |
| Sunny days | 12 | 21 | 17 | 19 | 9 | 5 | 9 | 12 | 21 | 24 | 25 | 25 |
| Rainy days | 2 | 2 | 4 | 8 | 22 | 25 | 22 | 19 | 9 | 5 | 4 | 2 |
| Snow days | 17 | 5 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 4 |
The best time to visit Dover during the most sunny months:
The largest precipitation sum in Dover is at