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

Weather in January

January, the same as December, is a wintry winter month in Dover, Delaware, with average temperature ranging between max 39.7°F (4.3°C) and min 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 »

Weather in February

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

Weather in March

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

Weather in April

April is an enjoyable spring month in Dover, Delaware, with average temperature ranging between max 61°F (16.1°C) and min 46.9°F (8.3°C). In April, 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 »

Weather in May

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

Weather in June

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

Weather in July

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

Weather in August

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

Weather in September

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

Weather in October

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

Weather in November

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

Weather in December

December, the first month of the winter, in Dover, is also a frosty month, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 46.2°F (7.9°C). In December, the average high-temperature marginally drops, from a fresh 54.3°F (12.4°C) in November, to a chilly 46.2°F (7.9°C). Weather in December »
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FAQ

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 is the least humid month in Dover?

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

How much does it rain in Dover?

Throughout the year, there are 152.3 rainfall days, and 26.3" (668mm) of precipitation is accumulated.

What is the driest month in Dover?

January is the month with the least rainfall in Dover. Rain falls for 8.2 days and accumulates 1.46" (37mm) of precipitation.

When does it snow in Dover?

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

How much does it snow in Dover?

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

What is the snowiest month in Dover?

The month with the most snowfall in Dover is January when snow falls for 3.5 days and typically aggregates up to 1.65" (42mm) of snow.

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

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

What is the month with the least sunshine in Dover?

With an average of 5h of sunshine, February has the least sunshine of the year in Dover, Delaware.

When it does not snow in Dover?

April through November are months without snowfall.

What is the most humid month in Dover?

The most humid month is May, with an average relative humidity of 79%.

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.

When are the longest days in Dover?

June has the longest days of the year, 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?

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

What is the wettest month in Dover?

The month with the most rainfall 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?

December has the shortest days of the year, with an average of 9.5h of daylight.

Average pressure
Dover, DE

Average pressure - Dover, DE

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed
Dover, DE

Average wind speed - Dover, DE

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity
Dover, DE

Average humidity - Dover, DE

The month with the highest relative humidity is May (79%).
Months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall
Dover, DE

Average rainfall - Dover, DE

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days
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).

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Average snowfall
Dover, DE

Average snowfall - Dover, DE

The month with the highest snowfall is January (1.65").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days
Dover, DE

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).

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Average daylight / Average sunshine
Dover, DE

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).

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Average sunshine days
Dover, DE

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).

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Average visibility
Dover, DE

Average visibility - Dover, DE

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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