Average annual temperature is 17.2 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 204 days
Number of rainy days: 161 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) | 21.3 | 24.7 | 25.5 | 28.3 | 32.5 | 37.7 | 39.1 | 41.2 | 37.5 | 32.6 | 27.2 | 18.1 |
| Average daytime temperature (°C) | 12.6 | 14.6 | 17.5 | 22.0 | 27.7 | 32.5 | 34.2 | 34.5 | 30.9 | 24.1 | 16.8 | 13.0 |
| Average temperature (°C) | 7.3 | 8.4 | 11.2 | 15.6 | 21.2 | 25.9 | 27.7 | 28.1 | 24.2 | 18.1 | 10.8 | 7.8 |
| Average night temperature (°C) | 3.4 | 4.1 | 6.4 | 10.3 | 15.5 | 20.0 | 22.6 | 22.9 | 18.8 | 13.6 | 6.3 | 3.8 |
| Absolute minimum temperature (°C) | -4.2 | -5.3 | -4.7 | 4.2 | 6.0 | 16.3 | 17.5 | 16.7 | 14.2 | -0.9 | -3.1 | -2.5 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 5.9 | 7.7 | 9.0 | 11.2 | 12.5 | 11.4 | 11.4 | 10.6 | 8.1 | 7.9 | 6.8 |
| Precipitation (mm) | 132 | 148 | 211 | 116 | 93 | 41 | 104 | 75 | 23 | 121 | 37 | 69 |
| Sunny days | 15 | 12 | 15 | 15 | 17 | 14 | 17 | 17 | 22 | 19 | 22 | 19 |
| Rainy days | 16 | 16 | 16 | 15 | 14 | 16 | 14 | 14 | 8 | 12 | 8 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Dover during the most sunny months:
The largest precipitation sum in Dover is at