Monthly weather forecast and climate
Dover, DE

The public Archives building in Dover, Delaware, between two large trees
The public Archives building in Dover, Delaware, between two large trees
January, the same as December, is another cold winter month in Dover, Delaware, with average temperature fluctuating between 39.7°F (4.3°C) and 28.8°F (-1.8°C). With an average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 28.8°F (-1.8°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Dover, is a chilly month, with average temperature varying between 31.1°F (-0.5°C) and 43.3°F (6.3°C). In Dover, the average high-temperature in February is practically the same as in January - a frosty 43.3°F (6.3°C). Weather in February »

The first month of the spring, March, is still a chilly month in Dover, Delaware, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 49.6°F (9.8°C). In Dover, the average high-temperature in March marginally rises, from a chilly 43.3°F (6.3°C) in February, to a still frosty 49.6°F (9.8°C). Weather in March »

April in Dover, Delaware, is a comfortable spring month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 61°F (16.1°C). In Dover, the average high-temperature rises, from a frosty 49.6°F (9.8°C) in March, to a comfortable 61°F (16.1°C). Weather in April »

The last month of the spring, May, is a pleasant month in Dover, Delaware, with average temperature varying between 56.7°F (13.7°C) and 70.7°F (21.5°C). In May, the average high-temperature rises, from an enjoyable 61°F (16.1°C) in April, to an agreeable 70.7°F (21.5°C). Weather in May »

The first month of the summer, June, is a warm month in Dover, Delaware, with average temperature fluctuating between 78.8°F (26°C) and 64.9°F (18.3°C). In June, the average high-temperature slightly increases, from an agreeable 70.7°F (21.5°C) in May, to a moderately hot 78.8°F (26°C). Weather in June »

July, the same as June, is another warm summer month in Dover, Delaware, with average temperature varying between 84.2°F (29°C) and 70°F (21.1°C). With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 70°F (21.1°C), July is the warmest month. The average heat index is estimated at a hot 93.7°F (34.3°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Dover, Delaware, with average temperature varying between 68.4°F (20.2°C) and 81.9°F (27.7°C). In Dover, Delaware, the average high-temperature is practically the same as in July - a still moderately hot 81.9°F (27.7°C). Weather in August »

September, the first month of the autumn, in Dover, is also a moderately hot month, with average temperature ranging between max 76.3°F (24.6°C) and min 63°F (17.2°C). In Dover, the average high-temperature marginally drops, from a moderately hot 81.9°F (27.7°C) in August, to a still warm 76.3°F (24.6°C). Weather in September »

October, like September, in Dover, Delaware, is another enjoyable autumn month, with average temperature fluctuating between 53.2°F (11.8°C) and 65.3°F (18.5°C). In October, the average high-temperature drops, from a moderately hot 76.3°F (24.6°C) in September, to a comfortable 65.3°F (18.5°C). Weather in October »

The last month of the autumn, November, is another cool month in Dover, Delaware, with average temperature fluctuating between 54.3°F (12.4°C) and 41.9°F (5.5°C). In November, the average high-temperature decreases, from a comfortable 65.3°F (18.5°C) in October, to a cool 54.3°F (12.4°C). Weather in November »

The first month of the winter, December, is also a frosty month in Dover, Delaware, with average temperature ranging between min 35.6°F (2°C) and max 46.2°F (7.9°C). In December, the average high-temperature marginally drops, from a cool 54.3°F (12.4°C) in November, to a frosty 46.2°F (7.9°C). Weather in December »

What is the coldest month in Dover?

With an average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 28.8°F (-1.8°C), January is the coldest month.

What are the least humid months in Dover?

January, March, April and November, with an average relative humidity of 74%, are the least humid months in Dover.

How many days does it rain in Dover?

In Dover, during the entire year, the rain falls for 152.3 days and collects up to 26.3" (668mm) of precipitation.

What is the driest month in Dover?

The month with the least rainfall in Dover is January when the rain falls for 8.2 days and typically collects 1.46" (37mm) of precipitation.

When does it snow in Dover?

Months with snowfall in Dover, Delaware, are January through March and December.

How much does it snow in Dover?

Throughout the year, in Dover, Delaware, there are 10.1 snowfall days, and 4.61" (117mm) of snow is accumulated.

When does it snow the most in Dover?

January is the month with the most snowfall. Snow falls for 3.5 days and accumulates 1.65" (42mm) of snow.

What are the months with the lowest UV index in Dover?

Months with the lowest UV index in Dover, Delaware, are January and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Dover?

The month with the least sunshine is February, with an average of 5h of sunshine.

When it does not snow in Dover?

In Dover snow does not fall in April through November.

What is the most humid month in Dover?

With an average relative humidity of 79%, May is the most humid month.

What is the month with the highest UV index in Dover?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Dover, Delaware.

When are the longest days in Dover?

June has the longest days of the year in Dover, with an average of 14.9h of daylight.

What is the warmest month in Dover?

The warmest month is July, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 70°F (21.1°C).

What month has the most sunshine in Dover?

July has the most sunshine of the year in Dover, Delaware, with an average of 10.8h of sunshine.

What is the rainiest month in Dover?

The month with the most rainfall in Dover is August when the rain falls for 15.6 days and typically aggregates up to 3.15" (80mm) of precipitation.

What is the month with the shortest days in Dover?

With an average of 9.5h of daylight, December has the shortest days of the year in Dover.
Average pressure - Dover, DE

The month with the highest atmospheric pressure is November (1020.1mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).

Average wind speed - Dover, DE

The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

Average humidity - Dover, DE
Average rainfall - Dover, DE
Average rainfall days - Dover, DE

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.1 days).

Average snowfall - Dover, DE

The month with the highest snowfall is January (42mm).
Months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days - Dover, DE

The month with the highest number of snowfall days is January (3.5 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine - Dover, DE

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5h).

Average sunshine days - Dover, DE

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.8 days).

Average visibility - Dover, DE

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).