Dover, NH - Detailed climate information and monthly weather forecast

January, like December, is a freezing cold winter month in Dover, New Hampshire, with temperature in the range of an average high of 31.6°F (-0.2°C) and an average low of 20.7°F (-6.3°C). January is the coldest month, with an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 20.7°F (-6.3°C). Weather in January »

The last month of the winter, February, is a cold month in Dover, New Hampshire, with average temperature varying between 21.9°F (-5.6°C) and 33.4°F (0.8°C). In February, the average high-temperature is practically the same as in January - a wintry 33.4°F (0.8°C). Weather in February »

The first month of the spring, March, is still a cold month in Dover, New Hampshire, with average temperature fluctuating between 40.1°F (4.5°C) and 28.4°F (-2°C). In March, the average high-temperature marginally rises, from 33.4°F (0.8°C) in February, to a still cold 40.1°F (4.5°C). Weather in March »

April in Dover, New Hampshire, is a fresh spring month, with average temperature fluctuating between 50.5°F (10.3°C) and 37.9°F (3.3°C). In April, the average high-temperature rises, from a cold 40.1°F (4.5°C) in March, to a fresh 50.5°F (10.3°C). Weather in April »

May, the last month of the spring, in Dover, is an enjoyable month, with average temperature fluctuating between 61.2°F (16.2°C) and 47.3°F (8.5°C). In May, the average high-temperature rises, from a cool 50.5°F (10.3°C) in April, to a comfortable 61.2°F (16.2°C). Weather in May »

June, the first month of the summer, in Dover, is a pleasant month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 55.2°F (12.9°C). In Dover, the average high-temperature marginally rises, from an enjoyable 61.2°F (16.2°C) in May, to a pleasant 68.9°F (20.5°C). Weather in June »

July is a warm summer month in Dover, New Hampshire, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 76.3°F (24.6°C). The warmest month is July, with an average high-temperature of 76.3°F (24.6°C) and an average low-temperature of 62.2°F (16.8°C). Weather in July »

The last month of the summer, August, is another warm month in Dover, New Hampshire, with average temperature varying between 75.7°F (24.3°C) and 61.3°F (16.3°C). In August, the average high-temperature is relatively the same as in July - a still warm 75.7°F (24.3°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Dover, New Hampshire, with average temperature fluctuating between 55.6°F (13.1°C) and 68.9°F (20.5°C). In September, the average high-temperature marginally drops, from a moderately hot 75.7°F (24.3°C) in August, to an agreeable 68.9°F (20.5°C). Weather in September »

October, the same as September, in Dover, New Hampshire, is another mild autumn month, with average temperature fluctuating between 58.1°F (14.5°C) and 46.8°F (8.2°C). In October, the average high-temperature drops, from an agreeable 68.9°F (20.5°C) in September, to a mild 58.1°F (14.5°C). Weather in October »

The last month of the autumn, November, is also a frosty month in Dover, New Hampshire, with average temperature varying between 46.6°F (8.1°C) and 36°F (2.2°C). In November, the average high-temperature decreases, from a moderate 58.1°F (14.5°C) in October, to a frosty 46.6°F (8.1°C). Weather in November »

The first month of the winter, December, is also a wintry month in Dover, New Hampshire, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 27.5°F (-2.5°C). In December, the average high-temperature drops, from a chilly 46.6°F (8.1°C) in November, to a wintry 37°F (2.8°C). Weather in December »

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What is the coldest month in Dover?

With an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 20.7°F (-6.3°C), January is the coldest month in Dover.

How much does it rain in Dover?

Throughout the year, in Dover, there are 130.8 rainfall days, and 22.24" (565mm) of precipitation is accumulated.

When does it snow in Dover?

January through April, October through December are months with snowfall in Dover.

How much does it snow in Dover?

Throughout the year, in Dover, New Hampshire, there are 28.5 snowfall days, and 14.25" (362mm) of snow is accumulated.

What are the months 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 is the snowiest month in Dover?

The month with the most snowfall is February when snow falls for 7.2 days and typically aggregates up to 3.86" (98mm) of snow.

What is the month with the least sunshine in Dover?

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Dover.

What are the least humid months in Dover?

April and November, with an average relative humidity of 75%, are the least humid months in Dover, New Hampshire.

When it does not snow in Dover?

May through September are months without snowfall.

What is the most humid month in Dover?

Months with the highest humidity in Dover, New Hampshire, are June and July, with an average relative humidity of 80%.

What is the wettest month in Dover?

The wettest months are June and December, with an average 2.13" (54mm) of rainfall.

When are the longest days in Dover?

The month with the longest days in Dover, New Hampshire, is June, with an average of 15.3h of daylight.

What is the warmest month in Dover?

With an average high-temperature of 76.3°F (24.6°C) and an average low-temperature of 62.2°F (16.8°C), July is the warmest month in Dover.

When is the highest UV index in Dover?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What month has the most sunshine in Dover?

August has the most sunshine of the year, with an average of 10.7h of sunshine.

What is the driest month in Dover?

The month with the least rainfall is September when the rain falls for 10.7 days and typically collects 1.26" (32mm) of precipitation.

What is the month with the shortest days in Dover?

December has the shortest days of the year in Dover, with an average of 9h of daylight.

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Long-term

Climate J F M A M J J A S O N D Year

Average high temperature in January:
31.6°F
Average high temperature in February:
33.4°F
Average high temperature in March:
40.1°F
Average high temperature in April:
50.5°F
Average high temperature in May:
61.2°F
Average high temperature in June:
68.9°F

Average high temperature in July:
76.3°F
Average high temperature in August:
75.7°F
Average high temperature in September:
68.9°F
Average high temperature in October:
58.1°F
Average high temperature in November:
46.6°F
Average high temperature in December:
37°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.6°F).

Average low temperature in January:
20.7°F
Average low temperature in February:
21.9°F
Average low temperature in March:
28.4°F
Average low temperature in April:
37.9°F
Average low temperature in May:
47.3°F
Average low temperature in June:
55.2°F

Average low temperature in July:
62.2°F
Average low temperature in August:
61.3°F
Average low temperature in September:
55.6°F
Average low temperature in October:
46.8°F
Average low temperature in November:
36°F
Average low temperature in December:
27.5°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Months with the highest relative humidity are June and July (80%).
Months with the lowest relative humidity are April and November (75%).

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The wettest months (with the highest rainfall) are June and December (2.13").
The driest month (with the least rainfall) is September (1.26").

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Average rainfall days in January:
6.3 days
Average rainfall days in February:
6.3 days
Average rainfall days in March:
10.5 days
Average rainfall days in April:
12.6 days
Average rainfall days in May:
14.1 days
Average rainfall days in June:
14 days

Average rainfall days in July:
14.6 days
Average rainfall days in August:
13.1 days
Average rainfall days in September:
10.7 days
Average rainfall days in October:
11.9 days
Average rainfall days in November:
8.2 days
Average rainfall days in December:
8.5 days

The month with the highest number of rainy days is July (14.6 days).
Months with the least rainy days are January and February (6.3 days).

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The month with the highest snowfall is February (3.86").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January:
7.4 days
Average snowfall days in February:
7.2 days
Average snowfall days in March:
5.6 days
Average snowfall days in April:
1.2 days
Average snowfall days in May:
0 days
Average snowfall days in June:
0 days

Average snowfall days in July:
0 days
Average snowfall days in August:
0 days
Average snowfall days in September:
0 days
Average snowfall days in October:
0.2 days
Average snowfall days in November:
1.5 days
Average snowfall days in December:
5.4 days

The month with the highest number of snowfall days is January (7.4 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine - Dover, NH

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

The month with the most sunshine is August (Average sunshine: 10.7h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

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

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Monthly weather forecast and climate
Dover, NH

Contents

Weather in January

Weather in February

Weather in March

Weather in April

Weather in May

Weather in June

Weather in July

Weather in August

Weather in September

Weather in October

Weather in November

Weather in December