Average annual temperature is 17.6 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -4.8 °C
Number of sunny days: 180 days
Number of rainy days: 185 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) | 23.5 | 27.8 | 28.9 | 29.8 | 30.9 | 32.6 | 35.0 | 37.1 | 34.5 | 29.2 | 25.8 | 22.4 |
| Average daytime temperature (°C) | 15.8 | 18.1 | 18.8 | 23.6 | 25.1 | 28.9 | 32.6 | 32.6 | 28.3 | 23.4 | 17.5 | 15.4 |
| Average temperature (°C) | 10.3 | 12.3 | 13.0 | 17.4 | 19.4 | 23.1 | 26.9 | 26.8 | 22.7 | 17.5 | 11.9 | 9.5 |
| Average night temperature (°C) | 6.0 | 8.0 | 8.2 | 12.4 | 14.7 | 18.3 | 22.7 | 22.4 | 18.5 | 13.0 | 7.7 | 5.3 |
| Absolute minimum temperature (°C) | -1.9 | -4.8 | -0.7 | 2.9 | 8.8 | 11.6 | 19.6 | 18.2 | 13.5 | 6.9 | -3.1 | -1.4 |
| 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 | 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) | 6.9 | 7.2 | 8.5 | 9.0 | 10.1 | 11.3 | 11.0 | 10.8 | 9.5 | 8.9 | 7.5 | 6.8 |
| Precipitation (mm) | 103 | 79 | 62 | 143 | 101 | 122 | 86 | 261 | 111 | 43 | 67 | 188 |
| Sunny days | 18 | 12 | 17 | 12 | 15 | 8 | 5 | 12 | 19 | 23 | 19 | 20 |
| Rainy days | 13 | 16 | 14 | 18 | 16 | 22 | 26 | 19 | 11 | 8 | 11 | 11 |
| 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