Climate and monthly weather forecast
New Boston, NH

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Weather in January

January, like December, is another subzero cold winter month in New Boston, New Hampshire, with an average temperature varying between 17.1°F (-8.3°C) and 29.7°F (-1.3°C). January is the coldest month, exhibiting average temperatures of 29.7°F (-1.3°C) at the peak and 17.1°F (-8.3°C) at the base. Weather in January »

Weather in February

February, the last month of the winter in New Boston, is an icy month, with an average temperature fluctuating between 18.5°F (-7.5°C) and 32.9°F (0.5°C). With the arrival of February, New Boston's average high-temperature registers at a wintry 32.9°F (0.5°C), indicating a subtle variation from the previous month. Weather in February »

Weather in March

March, the first month of the spring in New Boston, is still a cold month, with an average temperature ranging between max 41°F (5°C) and min 26.1°F (-3.3°C). March's onset witnesses a minor shift in the average high-temperature, moving from 32.9°F (0.5°C) in February to a still cold 41°F (5°C). Weather in March »

Weather in April

April in New Boston, New Hampshire, is a cool spring month, with an average temperature varying between 54.7°F (12.6°C) and 37°F (2.8°C). As April arrives, New Boston's weather shows an increase in high-temperatures, moving from March's icy 41°F (5°C) to a cool 54.7°F (12.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in New Boston, New Hampshire, 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). May brings a temperature increase, with average high-temperatures moving from April's cool 54.7°F (12.6°C) to an enjoyable 67.1°F (19.5°C). Weather in May »

Weather in June

June, the first month of the summer in New Boston, is a warm month, with an average temperature ranging between max 74.7°F (23.7°C) and min 54.1°F (12.3°C). A slight uplift in the average high-temperature marks June, adjusting from May's enjoyable 67.1°F (19.5°C) to a moderately hot 74.7°F (23.7°C). Weather in June »

Weather in July

July, like June, in New Boston, New Hampshire, is another warm summer month, with an average temperature varying between 81.5°F (27.5°C) and 61°F (16.1°C). In New Boston, July is the month with the highest recorded average temperatures, measuring a high of 81.5°F (27.5°C) and a low of 61°F (16.1°C). For July, the heat index is estimated at a tropical 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in New Boston, is also a moderately hot month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 59.4°F (15.2°C). Transitioning into August, New Boston records an average high-temperature of a still warm 79.3°F (26.3°C), almost identical to July's 81.5°F (27.5°C). Weather in August »

Weather in September

September, the first month of the autumn in New Boston, is also an agreeable month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 71.8°F (22.1°C). As August makes way for September, New Boston's average high-temperature eases from a warm 79.3°F (26.3°C) 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 refreshing autumn month, with an average temperature varying between 58.5°F (14.7°C) and 43.5°F (6.4°C). New Boston observes a minor decrease in the average high-temperature with the arrival of October, falling from September's pleasant 71.8°F (22.1°C) to a moderate 58.5°F (14.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in New Boston, New Hampshire, with an average temperature varying between 46.6°F (8.1°C) and 33.1°F (0.6°C). Setting in of November comes with a decrease in the average high-temperature, moving from a mild 58.5°F (14.7°C) in October to a frosty 46.6°F (8.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in New Boston, New Hampshire, with an average temperature ranging between max 35.4°F (1.9°C) and min 24.6°F (-4.1°C). The shift to December brings a decrease in the average high-temperature, falling from a frosty 46.6°F (8.1°C) in November to a cold 35.4°F (1.9°C). Weather in December »
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Frequently asked questions

What is the coldest month in New Boston?

January is the month when New Boston sees the average lowest temperatures, with a high of 29.7°F (-1.3°C) and a low of 17.1°F (-8.3°C).

How much does it rain in New Boston?

Throughout the year, there are 146.9 rainfall days, and 28.15" (715mm) of precipitation is accumulated.

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?

In New Boston, New Hampshire, during the entire year, snow falls for 38.3 days and aggregates up to 26.42" (671mm) of snow.

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.

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?

February is the month with the most snowfall in New Boston. Snow falls for 9.4 days and accumulates 6.42" (163mm) of snow.

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

February has the least sunshine of the year in New Boston, New Hampshire, with an average of 4.6h of sunshine.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, 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 in New Boston, New Hampshire.

When it does not snow in New Boston?

June through September are months without snowfall in New Boston.

When are the longest days in New Boston?

With an average of 15h and 18min of daylight, June has the longest days of the year in New Boston.

What are the warmest months in New Boston?

New Boston experiences its highest temperatures in July, with an average peak of 81.5°F (27.5°C) and a low 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 in New Boston are July and August, with an average maximum UV index of 6.

What month has the most sunshine in New Boston?

August has the most sunshine of the year in New Boston, New Hampshire, with an average of 10.4h of sunshine.

What is the driest month in New Boston?

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

What is the rainiest month in New Boston?

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

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

With an average of 9h and 6min of daylight, December has the shortest days of the year in New Boston.

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 6min).

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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New Boston, New Hampshire, USA

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