Monthly weather forecast and climate
Dover, NJ

Weather in January

January, like December, in Dover, New Jersey, is a wintry winter month, with average temperature fluctuating between 20.8°F (-6.2°C) and 34.3°F (1.3°C). The coldest month is January, with an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 20.8°F (-6.2°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Dover, New Jersey, with average temperature fluctuating between 37.4°F (3°C) and 22.8°F (-5.1°C). In February, the average high-temperature is practically the same as in January - a still wintry 37.4°F (3°C). Weather in February »

Weather in March

March, the first month of the spring, in Dover, is a chilly month, with average temperature ranging between min 30.2°F (-1°C) and max 45.3°F (7.4°C). In March, the average high-temperature marginally rises, from a wintry 37.4°F (3°C) in February, to a chilly 45.3°F (7.4°C). Weather in March »

Weather in April

April in Dover, New Jersey, is a moderate spring month, with average temperature fluctuating between 57.9°F (14.4°C) and 40.6°F (4.8°C). In April, the average high-temperature rises, from a frosty 45.3°F (7.4°C) in March, to a moderate 57.9°F (14.4°C). Weather in April »

Weather in May

May, the last month of the spring, in Dover, is a pleasant month, with average temperature ranging between max 68.5°F (20.3°C) and min 50.5°F (10.3°C). In May, the average high-temperature increases, from a moderate 57.9°F (14.4°C) in April, to an agreeable 68.5°F (20.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Dover, is a warm month, with average temperature fluctuating between 57.9°F (14.4°C) and 76.6°F (24.8°C). In June, the average high-temperature marginally rises, from a pleasant 68.5°F (20.3°C) in May, to a warm 76.6°F (24.8°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Dover, New Jersey, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 82.9°F (28.3°C). The warmest month is July, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 64°F (17.8°C). The average heat index in July is evaluated at a hot 90.3°F (32.4°C). Weather in July »

Weather in August

August, the last month of the summer, in Dover, is also a moderately hot month, with average temperature varying between 62.2°F (16.8°C) and 81.1°F (27.3°C). In Dover, the average high-temperature in August is relatively the same as in July - a still moderately hot 81.1°F (27.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Dover, New Jersey, with average temperature varying between 73.9°F (23.3°C) and 55.6°F (13.1°C). In Dover, the average high-temperature marginally drops, from a warm 81.1°F (27.3°C) in August, to a still moderately hot 73.9°F (23.3°C). Weather in September »

Weather in October

October, like September, in Dover, New Jersey, is another enjoyable autumn month, with average temperature fluctuating between 61.7°F (16.5°C) and 45.9°F (7.7°C). In October, the average high-temperature decreases, from a warm 73.9°F (23.3°C) in September, to an enjoyable 61.7°F (16.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Dover, is another chilly month, with average temperature varying between 35.2°F (1.8°C) and 49.3°F (9.6°C). In November, the average high-temperature drops, from a comfortable 61.7°F (16.5°C) in October, to a chilly 49.3°F (9.6°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Dover, New Jersey, with average temperature fluctuating between 40.1°F (4.5°C) and 28.6°F (-1.9°C). In Dover, the average high-temperature drops, from a frosty 49.3°F (9.6°C) in November, to a cold 40.1°F (4.5°C). Weather in December »
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FAQ

What is the coldest month in Dover?

January is the coldest month, with an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 20.8°F (-6.2°C).

How much does it rain in Dover?

Throughout the year, in Dover, there are 81.9 rainfall days, and 6.69" (170mm) of precipitation is accumulated.

When does it snow in Dover?

Months with snowfall are January through May, October through December.

How many days does it snow in Dover?

Throughout the year, in Dover, New Jersey, there are 18.1 snowfall days, and 2.68" (68mm) of snow is accumulated.

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

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What are the most humid months in Dover?

February, October and December, with an average relative humidity of 81%, are most humid months in Dover.

What is the month with the least sunshine in Dover?

The month with the least sunshine is February, with an average of 4.4h of sunshine.

What is the snowiest month in Dover?

The month with the most snowfall in Dover is March when snow falls for 3.8 days and typically aggregates up to 0.79" (20mm) of snow.

What is the least humid month in Dover?

April is the least humid month in Dover, with an average relative humidity of 75%.

When it does not snow in Dover?

In Dover snow does not fall in June through September.

When are the longest days in Dover?

June has the longest days of the year, with an average of 15.1h of daylight.

When is the highest UV index in Dover?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Dover, New Jersey.

What is the warmest month in Dover?

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 64°F (17.8°C), July is the warmest month.

What is the wettest month in Dover?

July is the month with the most rainfall. Rain falls for 9.5 days and accumulates 0.79" (20mm) of precipitation.

What month has the most sunshine in Dover?

With an average of 10.2h of sunshine, July has the most sunshine of the year in Dover, New Jersey.

What is the driest month in Dover?

The month with the least rainfall in Dover, New Jersey, is September when the rain falls for 6.3 days and typically collects 0.16" (4mm) of precipitation.

What is the month with the shortest days in Dover?

December has the shortest days of the year, with an average of 9.3h of daylight.

Average temperature
Dover, NJ

Average temperature - Dover, NJ

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.3°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure
Dover, NJ

Average pressure - Dover, NJ

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Dover, NJ

Average wind speed - Dover, NJ

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity
Dover, NJ

Average humidity - Dover, NJ

Months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (75%).

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Average rainfall
Dover, NJ

Average rainfall - Dover, NJ

The wettest month (with the highest rainfall) is July (0.79").
The driest month (with the least rainfall) is September (0.16").

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Average rainfall days
Dover, NJ

Average rainfall days - Dover, NJ

The month with the highest number of rainy days is July (9.5 days).
The month with the least rainy days is February (4 days).

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Average snowfall
Dover, NJ

Average snowfall - Dover, NJ

The month with the highest snowfall is March (0.79").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Dover, NJ

Average snowfall days - Dover, NJ

The month with the highest number of snowfall days is February (5.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Dover, NJ

Average daylight / Average sunshine - Dover, NJ

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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Average sunshine days
Dover, NJ

Average sunshine days - Dover, NJ

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (18.3 days).

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Average UV index
Dover, NJ

Average UV index - Dover, NJ

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Dover, NJ

Average visibility - Dover, NJ

Months with the highest visibility are January, March, April, November and December (6mi).
Months with the lowest visibility are February, May, June, July, August, September and October (5mi).

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