Dover (DE) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Dover

Dover average temperature chart (Celsius) Dover average temperature chart (Fahrenheit)
Average monthly temperatures in Dover (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.3 7 12.5 18.1 23.6 28.3 30.4 29.6 26.3 20.3 14.3 8.1
°F 41.5 44.6 54.5 64.6 74.5 82.9 86.7 85.3 79.3 68.5 57.8 46.6

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Dover monthly rainfall chart (mm) Dover monthly rainfall chart (inches)
Average monthly rainfall in Dover (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 84 76 97 87 98 95 103 110 102 81 83 89
inches 3.3 3 3.8 3.4 3.9 3.7 4 4.3 4 3.2 3.3 3.5
Rainy days 10 10 10 10 10 10 11 10 8 7 9 10

Average annual rainfall in Dover: 1066.9mm (420 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Dover

Dover average daily sunshine chart
Average daily sunshine Dover
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.8 6.5 7.5 8.6 9 9.9 9.8 9.1 8.1 7.5 6.2 5.5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Dover average minimum / maximum temperatures (Celsius) Dover average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Dover (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.5 -3.5 1 5.4 11.1 16.2 18.8 18.1 14.3 8 3.2 -1.8
Max °C 5.5 7.3 12.8 18.4 23.9 28.6 30.7 29.9 26.6 20.6 14.6 8.4
Min °F 23.9 25.8 33.8 41.7 52 61.2 65.8 64.6 57.7 46.4 37.8 28.9
Max °F 32.9 35.4 44.4 53.4 63.5 72.3 76.5 75.2 68.7 57.7 48 37.9

Sea temperature

The graph below shows the average sea temperature.

Dover average sea temperature chart (Celsius) Dover average sea temperature chart (Fahrenheit)
Average sea temperature around Dover in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.9 0.8 1.4 4.7 10 16.4 21.9 23.4 21.3 16.6 11.3 6.5
°F 37.2 33.5 34.5 40.4 49.9 61.6 71.5 74.2 70.3 61.9 52.3 43.8

Wind speed

The graph below shows the average wind speed.

Dover average winspeed by month (km/h) Dover average winspeed by month (mph)
Average wind speed in Dover (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 17 18 18 16 14 13 13 13 14 16 16
mph 10 11 11 11 10 9 8 8 8 9 10 10

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Dover relative humidity averages
Average relative humidity in Dover
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
67% 65% 64% 63% 69% 71% 72% 74% 74% 72% 70% 69%

Other monthly averages

UV index Best time to go?

Dover weather stats

Dover weather statistics
Hottest month: July 30.4°C 86.7°F
Driest month: February 76mm 3ins
Sunniest month: July 9.8hrs
Coldest month: January 5.3°C 41.5°F
Wettest month: August 110mm 4.3ins
Warmest sea: August 23.4°C 74.1°F
Map showing location of Dover (39.15817, -75.52437) Dover map pin © Google

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