Average annual temperature is 9.1 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -25.9 °C
Number of sunny days: 188 days
Number of rainy days: 139 days
Number of snow days: 38 days
Look at detailed online map of City of Dover
* Weather data for City of 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) | 3.8 | 8.3 | 12.5 | 25.8 | 30.5 | 30.2 | 33.8 | 36.8 | 33.7 | 29.0 | 17.3 | 11.4 |
| Average daytime temperature (°C) | -2.4 | 0.3 | 4.2 | 13.1 | 22.4 | 27.2 | 27.3 | 27.7 | 24.5 | 14.9 | 7.7 | 4.4 |
| Average temperature (°C) | -6.1 | -5.1 | -1.0 | 7.1 | 15.9 | 21.4 | 21.5 | 22.1 | 19.0 | 10.5 | 2.8 | 0.4 |
| Average night temperature (°C) | -8.9 | -9.3 | -5.1 | 2.6 | 10.2 | 15.8 | 16.2 | 17.5 | 14.9 | 7.2 | -0.9 | -2.2 |
| Absolute minimum temperature (°C) | -24.8 | -25.9 | -18.9 | -5.1 | -0.3 | 8.4 | 10.5 | 11.4 | 7.4 | -6.0 | -13.9 | -8.9 |
| 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 | 13.5 | 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) | 3.8 | 6.6 | 7.0 | 7.9 | 11.5 | 12.8 | 12.3 | 11.3 | 9.0 | 7.1 | 6.5 | 4.3 |
| Precipitation (mm) | 50 | 53 | 60 | 126 | 92 | 58 | 63 | 60 | 156 | 128 | 6 | 33 |
| Sunny days | 16 | 16 | 15 | 13 | 19 | 16 | 11 | 18 | 10 | 14 | 22 | 18 |
| Rainy days | 5 | 5 | 6 | 15 | 12 | 14 | 20 | 13 | 20 | 14 | 7 | 8 |
| Snow days | 10 | 7 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 5 |
The best time to visit City of Dover during the most sunny months:
Months with the longest average daylight duration in City of Dover:
The largest precipitation sum in City of Dover is at