Climate and monthly weather forecast
Salem, NH

Weather in January

January, the same as December, is another cold winter month in Salem, New Hampshire, with an average temperature varying between 32.2°F (0.1°C) and 20.3°F (-6.5°C). January is the coldest month, with an average high-temperature of 32.2°F (0.1°C) and an average low-temperature of 20.3°F (-6.5°C). Weather in January »

Weather in February

February, the last month of the winter in Salem, is also a wintry month, with an average temperature ranging between min 21.4°F (-5.9°C) and max 34.9°F (1.6°C). In Salem, the average high-temperature in February is relatively the same as in January - a still cold 34.9°F (1.6°C). Weather in February »

Weather in March

March, the first month of the spring in Salem, is still a cold month, with temperature in the range of an average low of 28.6°F (-1.9°C) and an average high of 42.1°F (5.6°C). In March, the average high-temperature marginally rises from a cold 34.9°F (1.6°C) in February to a still wintry 42.1°F (5.6°C). Weather in March »

Weather in April

April is a cool spring month in Salem, New Hampshire, with an average temperature ranging between min 38.8°F (3.8°C) and max 54.7°F (12.6°C). In Salem, the average high-temperature in April increases from a wintry 42.1°F (5.6°C) in March to a fresh 54.7°F (12.6°C). Weather in April »

Weather in May

May, the last month of the spring in Salem, is a comfortable month, with an average temperature varying between 66°F (18.9°C) and 48.7°F (9.3°C). In May, the average high-temperature rises from a cool 54.7°F (12.6°C) in April to a comfortable 66°F (18.9°C). Weather in May »

Weather in June

June, the first month of the summer in Salem, is a moderately hot month, with an average temperature varying between 56.1°F (13.4°C) and 73.9°F (23.3°C). In June, the average high-temperature marginally rises from a comfortable 66°F (18.9°C) in May to a warm 73.9°F (23.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Salem, New Hampshire, with an average temperature varying between 63°F (17.2°C) and 81.7°F (27.6°C). The warmest month is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 63°F (17.2°C). In July, the average heat index is evaluated at a hot 86.7°F (30.4°C). Weather in July »

Weather in August

August, the last month of the summer in Salem, is also a moderately hot month, with an average temperature varying between 79.9°F (26.6°C) and 61.9°F (16.6°C). In August, the average high-temperature is relatively the same as in July - a still warm 79.9°F (26.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Salem, is also an agreeable month, with an average temperature fluctuating between 55.8°F (13.2°C) and 72.3°F (22.4°C). In September, the average high-temperature slightly decreases from a moderately hot 79.9°F (26.6°C) in August to a pleasant 72.3°F (22.4°C). Weather in September »

Weather in October

October, the same as September, in Salem, New Hampshire, is a moderate autumn month, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 46.2°F (7.9°C). In Salem, the average high-temperature in October decreases from a pleasant 72.3°F (22.4°C) in September to a mild 60.1°F (15.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Salem, New Hampshire, with an average temperature fluctuating between 35.4°F (1.9°C) and 48.2°F (9°C). In November, the average high-temperature decreases from a moderate 60.1°F (15.6°C) in October to a chilly 48.2°F (9°C). Weather in November »

Weather in December

December, the first month of the winter in Salem, is also a wintry month, with an average temperature fluctuating between 37.9°F (3.3°C) and 27.3°F (-2.6°C). In December, the average high-temperature drops from a frosty 48.2°F (9°C) in November to a cold 37.9°F (3.3°C). Weather in December »
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FAQ

What is the coldest month in Salem?

January is the coldest month, with an average high-temperature of 32.2°F (0.1°C) and an average low-temperature of 20.3°F (-6.5°C).

How much does it rain in Salem?

In Salem, New Hampshire, during the entire year, the rain falls for 144 days and collects up to 26.97" (685mm) of precipitation.

When does it snow in Salem?

January through May, October through December are months with snowfall in Salem.

How many days does it snow in Salem?

In Salem, during the entire year, snow falls for 31.9 days and aggregates up to 20.94" (532mm) of snow.

When is the lowest UV index in Salem?

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

What is the most humid month in Salem?

February is the most humid month in Salem, with an average relative humidity of 79%.

When does it snow the most in Salem?

February is the month with the most snowfall in Salem, New Hampshire. Snow falls for 7.7 days and accumulates 5.87" (149mm) of snow.

What is the month with the least sunshine in Salem?

The month with the least sunshine in Salem, New Hampshire, is February, with an average of 4.7h of sunshine.

What is the month with the coldest ocean in Salem?

March is the month with the coldest seawater in Salem, with an average ocean temperature of 38.8°F (3.8°C).

When is Daylight Saving Time (DST) in Salem?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Salem, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Salem?

The least humid month in Salem is April, with an average relative humidity of 71%.

When it does not snow in Salem?

In Salem, New Hampshire, snow does not fall in June through September.

When are the longest days in Salem?

June has the longest days of the year in Salem, with an average of 15h and 17min of daylight.

What are the months with the highest UV index in Salem?

The months with the highest UV index in Salem, New Hampshire, are June through August, with an average maximum UV index of 6.

What is the warmest month in Salem?

The warmest month is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 63°F (17.2°C).

What month is the ocean warmest in Salem?

With an average ocean temperature of 66.4°F (19.1°C), August is the month with the warmest seawater in Salem, New Hampshire.

What month has the most sunshine in Salem?

The month with the most sunshine in Salem is August, with an average of 10.6h of sunshine.

What is the driest month in Salem?

September is the month with the least rainfall in Salem, New Hampshire. Rain falls for 10.6 days and accumulates 1.3" (33mm) of precipitation.

What is the rainiest month in Salem?

The month with the most rainfall is December, when the rain falls for 10.6 days and typically aggregates up to 2.87" (73mm) of precipitation.

What is the month with the shortest days in Salem?

With an average of 9h and 5min of daylight, December has the shortest days of the year in Salem, New Hampshire.

Average pressure
Salem, NH

Average pressure - Salem, NH

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

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Average wind speed
Salem, NH

Average wind speed - Salem, NH

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average rainfall
Salem, NH

Average rainfall - Salem, NH

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days
Salem, NH

Average rainfall days - Salem, NH

The month with the highest number of rainy days is May (15.9 days).
The months with the least rainy days are January and February (7.6 days).

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Average snowfall
Salem, NH

Average snowfall - Salem, NH

The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Salem, NH

Average snowfall days - Salem, NH

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature
Salem, NH

Average sea temperature - Salem, NH

The best month for swimming (with the highest average sea temperature) is August (66.4°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

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Average daylight / Average sunshine
Salem, NH

Average daylight / Average sunshine - Salem, NH

The month with the longest days is June (Average daylight: 15h and 17min).
The month with the shortest days is December (Average daylight: 9h and 5min).

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
Salem, NH

Average sunshine days - Salem, NH

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is May (13.5 days).

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Average UV index
Salem, NH

Average UV index - Salem, NH

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

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Average visibility
Salem, NH

Average visibility - Salem, NH

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

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