Monthly weather forecast and climate
Durham, NH

Weather in January

January, like December, is another subzero cold winter month in Durham, New Hampshire, with temperature in the range of an average low of 19.8°F (-6.8°C) and an average high of 31.5°F (-0.3°C). January is the coldest month, with an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.8°F (-6.8°C). Weather in January »

Weather in February

February, the last month of the winter, in Durham, is a cold month, with temperature in the range of an average high of 33.6°F (0.9°C) and an average low of 21°F (-6.1°C). In Durham, the average high-temperature is almost the same as in January - a cold 33.6°F (0.9°C). Weather in February »

Weather in March

March, the first month of the spring, in Durham, is still a cold month, with average temperature varying between 40.3°F (4.6°C) and 28.2°F (-2.1°C). In Durham, the average high-temperature in March slightly increases, from 33.6°F (0.9°C) in February, to a still wintry 40.3°F (4.6°C). Weather in March »

Weather in April

April in Durham, New Hampshire, is a cool spring month, with average temperature varying between 37.8°F (3.2°C) and 51.6°F (10.9°C). In April, the average high-temperature increases, from a wintry 40.3°F (4.6°C) in March, to a cool 51.6°F (10.9°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Durham, New Hampshire, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 62.2°F (16.8°C). In Durham, the average high-temperature rises, from a fresh 51.6°F (10.9°C) in April, to an enjoyable 62.2°F (16.8°C). Weather in May »

Weather in June

June, the first month of the summer, in Durham, is a pleasant month, with average temperature ranging between min 55.2°F (12.9°C) and max 70.2°F (21.2°C). In Durham, New Hampshire, the average high-temperature marginally rises, from an enjoyable 62.2°F (16.8°C) in May, to a pleasant 70.2°F (21.2°C). Weather in June »

Weather in July

July is a warm summer month in Durham, New Hampshire, with average temperature varying between 77.4°F (25.2°C) and 61.5°F (16.4°C). July is the warmest month, with an average high-temperature of 77.4°F (25.2°C) and an average low-temperature of 61.5°F (16.4°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Durham, New Hampshire, with average temperature ranging between min 61.3°F (16.3°C) and max 76.8°F (24.9°C). In Durham, the average high-temperature is essentially the same as in July - a still warm 76.8°F (24.9°C). Weather in August »

Weather in September

September, the first month of the autumn, in Durham, is also an agreeable month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 69.6°F (20.9°C). In Durham, the average high-temperature in September marginally drops, from a warm 76.8°F (24.9°C) in August, to a pleasant 69.6°F (20.9°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Durham, New Hampshire, with average temperature fluctuating between 58.1°F (14.5°C) and 46.2°F (7.9°C). In Durham, the average high-temperature in October decreases, from an agreeable 69.6°F (20.9°C) in September, to a moderate 58.1°F (14.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Durham, is another chilly month, with temperature in the range of an average high of 46.6°F (8.1°C) and an average low of 35.8°F (2.1°C). In Durham, the average high-temperature drops, from a moderate 58.1°F (14.5°C) in October, to a frosty 46.6°F (8.1°C). Weather in November »

Weather in December

December, the first month of the winter, in Durham, is also a wintry month, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 27.3°F (-2.6°C). In Durham, the average high-temperature in December 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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FAQ

What is the coldest month in Durham?

The coldest month is January, with an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.8°F (-6.8°C).

What is the most humid month in Durham?

Months with the highest humidity in Durham are January and February, with an average relative humidity of 80%.

How many days does it rain in Durham?

Throughout the year, there are 144.8 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

When does it snow in Durham?

January through April, October through December are months with snowfall in Durham, New Hampshire.

How much does it snow in Durham?

Throughout the year, in Durham, New Hampshire, there are 35.1 snowfall days, and 18.78" (477mm) of snow is accumulated.

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

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

What is the month with the least sunshine in Durham?

Months with the least sunshine in Durham are February and December, with an average of 4.8h of sunshine.

What is the least humid month in Durham?

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

When it does not snow in Durham?

May through September are months without snowfall in Durham, New Hampshire.

When are the longest days in Durham?

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

What is the warmest month in Durham?

The warmest month is July, with an average high-temperature of 77.4°F (25.2°C) and an average low-temperature of 61.5°F (16.4°C).

When is the highest UV index in Durham?

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

What month has the most sunshine in Durham?

With an average of 10.6h of sunshine, August has the most sunshine of the year.

What is the driest month in Durham?

September is the month with the least rainfall in Durham, New Hampshire. Rain falls for 11.4 days and accumulates 1.46" (37mm) of precipitation.

What is the rainiest month in Durham?

The wettest months in Durham are October and December, with an average 2.87" (73mm) of rainfall.

When does it snow the most in Durham?

December is the month with the most snowfall. Snow falls for 7.3 days and accumulates 4.53" (115mm) of snow.

What is the month with the shortest days in Durham?

With an average of 9.1h of daylight, December has the shortest days of the year in Durham, New Hampshire.

Average temperature
Durham, NH

Average temperature - Durham, NH

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.5°F).

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure
Durham, NH

Average pressure - Durham, NH

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed
Durham, NH

Average wind speed - Durham, NH

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity
Durham, NH

Average humidity - Durham, NH

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

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Average rainfall
Durham, NH

Average rainfall - Durham, NH

The wettest months (with the highest rainfall) are October and December (2.87").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days
Durham, NH

Average rainfall days - Durham, NH

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall
Durham, NH

Average snowfall - Durham, NH

The month with the highest snowfall is December (4.53").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Durham, NH

Average snowfall days - Durham, NH

The month with the highest number of snowfall days is January (8.7 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Durham, NH

Average daylight / Average sunshine - Durham, NH

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

The month with the most sunshine is August (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

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Average sunshine days
Durham, NH

Average sunshine days - Durham, NH

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index
Durham, NH

Average UV index - Durham, NH

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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Average visibility
Durham, NH

Average visibility - Durham, NH

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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