Climate and monthly weather forecast
New Boston, NH

Weather in January

January, the same as December, in New Boston, New Hampshire, is a freezing cold winter month, with an average temperature varying between 17.1°F (-8.3°C) and 29.7°F (-1.3°C). With an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 17.1°F (-8.3°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in New Boston, is a wintry month, with temperature in the range of an average low of 18.5°F (-7.5°C) and an average high of 32.9°F (0.5°C). In New Boston, the average high-temperature in February is essentially the same as in January - a wintry 32.9°F (0.5°C). Weather in February »

Weather in March

The first month of the spring, March, is also a wintry month in New Boston, New Hampshire, with an average temperature fluctuating between 26.1°F (-3.3°C) and 41°F (5°C). In March, the average high-temperature slightly increases from a wintry 32.9°F (0.5°C) in February to a still cold 41°F (5°C). Weather in March »

Weather in April

April is a fresh spring month in New Boston, New Hampshire, with temperature in the range of an average high of 54.7°F (12.6°C) and an average low of 37°F (2.8°C). In New Boston, the average high-temperature in April increases from a cold 41°F (5°C) in March to a cool 54.7°F (12.6°C). Weather in April »

Weather in May

May, the last month of the spring in New Boston, is a comfortable month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 67.1°F (19.5°C). In New Boston, the average high-temperature in May increases from a cool 54.7°F (12.6°C) in April to a comfortable 67.1°F (19.5°C). Weather in May »

Weather in June

June, the first month of the summer in New Boston, is a moderately hot month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 74.7°F (23.7°C). In New Boston, the average high-temperature in June marginally rises from an enjoyable 67.1°F (19.5°C) in May to a moderately hot 74.7°F (23.7°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in New Boston, New Hampshire, with an average temperature fluctuating between 81.5°F (27.5°C) and 61°F (16.1°C). With an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 61°F (16.1°C), July is the warmest month. The average heat index in July is computed to be a hot 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in New Boston, New Hampshire, with an average temperature ranging between min 59.4°F (15.2°C) and max 79.3°F (26.3°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 79.3°F (26.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in New Boston, New Hampshire, with an average temperature fluctuating between 52.5°F (11.4°C) and 71.8°F (22.1°C). In New Boston, the average high-temperature in September marginally drops from a warm 79.3°F (26.3°C) in August to an agreeable 71.8°F (22.1°C). Weather in September »

Weather in October

October, the same as September, in New Boston, New Hampshire, is another mild autumn month, with an average temperature ranging between min 43.5°F (6.4°C) and max 58.5°F (14.7°C). In October, the average high-temperature drops from a pleasant 71.8°F (22.1°C) in September to a moderate 58.5°F (14.7°C). Weather in October »

Weather in November

November, the last month of the autumn in New Boston, is also a frosty month, with an average temperature ranging between min 33.1°F (0.6°C) and max 46.6°F (8.1°C). In New Boston, the average high-temperature in November decreases from a mild 58.5°F (14.7°C) in October to a chilly 46.6°F (8.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in New Boston, New Hampshire, with an average temperature ranging between min 24.6°F (-4.1°C) and max 35.4°F (1.9°C). In December, the average high-temperature decreases from a chilly 46.6°F (8.1°C) in November to a cold 35.4°F (1.9°C). Weather in December »
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FAQ

What is the coldest month in New Boston?

The coldest month is January, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 17.1°F (-8.3°C).

How much does it rain in New Boston?

In New Boston, New Hampshire, during the entire year, the rain falls for 146.9 days and collects up to 28.15" (715mm) of precipitation.

When does it snow in New Boston?

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

How many days does it snow in New Boston?

Throughout the year, in New Boston, New Hampshire, there are 38.3 snowfall days, and 26.42" (671mm) of snow is accumulated.

When is the lowest UV index in New Boston?

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

What is the most humid month in New Boston?

With an average relative humidity of 82%, February is the most humid month.

When does it snow the most in New Boston?

The month with the most snowfall in New Boston is February, when snow falls for 9.4 days and typically aggregates up to 6.42" (163mm) of snow.

What is the month with the least sunshine in New Boston?

February has the least sunshine of the year, with an average of 4.6h of sunshine.

When is Daylight Saving Time (DST) in New Boston?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in New Boston, New Hampshire, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in New Boston?

With an average relative humidity of 72%, April is the least humid month.

When it does not snow in New Boston?

June through September are months without snowfall in New Boston, New Hampshire.

When are the longest days in New Boston?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What is the warmest month in New Boston?

July is the warmest month in New Boston, New Hampshire, with an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 61°F (16.1°C).

What are the months with the highest UV index in New Boston?

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

What month has the most sunshine in New Boston?

With an average of 10.4h of sunshine, August has the most sunshine of the year.

What is the driest month in New Boston?

The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.61" (41mm) of precipitation.

What is the wettest month in New Boston?

October is the month with the most rainfall. Rain falls for 13.6 days and accumulates 3.03" (77mm) of precipitation.

What is the month with the shortest days in New Boston?

December has the shortest days of the year in New Boston, with an average of 9h and 4min of daylight.

Average temperature
New Boston, NH

Average temperature - New Boston, NH

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure
New Boston, NH

Average pressure - New Boston, NH

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
New Boston, NH

Average wind speed - New Boston, NH

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average rainfall
New Boston, NH

Average rainfall - New Boston, NH

The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days
New Boston, NH

Average rainfall days - New Boston, NH

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.9 days).

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Average snowfall
New Boston, NH

Average snowfall - New Boston, NH

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
New Boston, NH

Average snowfall days - New Boston, NH

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
New Boston, NH

Average daylight / Average sunshine - New Boston, NH

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 4min).

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
New Boston, NH

Average sunshine days - New Boston, NH

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index
New Boston, NH

Average UV index - New Boston, NH

The months with the highest UV index are 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
New Boston, NH

Average visibility - New Boston, NH

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

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