Climate and monthly weather forecast
Henniker, NH

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Weather in January

January, like December, is another subzero cold winter month in Henniker, New Hampshire, with an average temperature fluctuating between 27.5°F (-2.5°C) and 14.9°F (-9.5°C). Henniker's coldest month, January, generally records average temperatures ranging from a high of 27.5°F (-2.5°C) to a low of 14.9°F (-9.5°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Henniker, New Hampshire, with an average temperature fluctuating between 30.2°F (-1°C) and 16°F (-8.9°C). Upon the onset of February, Henniker witnesses an average high-temperature of a still subzero cold 30.2°F (-1°C), showing a close resemblance to the prior month. Weather in February »

Weather in March

March, the first month of the spring in Henniker, is a wintry month, with an average temperature varying between 38.8°F (3.8°C) and 23.5°F (-4.7°C). The shift from February to March sees a slight increase in the average high-temperature, transitioning from a subzero cold 30.2°F (-1°C) to a cold 38.8°F (3.8°C). Weather in March »

Weather in April

April in Henniker, New Hampshire, is a cool spring month, with an average temperature fluctuating between 34.9°F (1.6°C) and 52.3°F (11.3°C). The rise of average high-temperatures is seen in April, with an increase from an icy 38.8°F (3.8°C) in March to a fresh 52.3°F (11.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Henniker, New Hampshire, with an average temperature fluctuating between 45.1°F (7.3°C) and 65.5°F (18.6°C). An escalation in the average high-temperature is seen with the onset of May, moving from a fresh 52.3°F (11.3°C) in April to a comfortable 65.5°F (18.6°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Henniker, New Hampshire, with an average temperature ranging between min 52.5°F (11.4°C) and max 73°F (22.8°C). June signifies a subtle uplift in the average high-temperature, adjusting from a comfortable 65.5°F (18.6°C) in May to a pleasant 73°F (22.8°C). Weather in June »

Weather in July

July in Henniker, New Hampshire, is a moderately hot summer month, with an average temperature ranging between max 79.7°F (26.5°C) and min 59.2°F (15.1°C). In Henniker, the month of July registers the highest temperatures, averaging 79.7°F (26.5°C) at the peak and 59.2°F (15.1°C) at the lowest. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Henniker, New Hampshire, with an average temperature fluctuating between 57.2°F (14°C) and 77.9°F (25.5°C). The transition into August reveals an average high-temperature of a still moderately hot 77.9°F (25.5°C), mirroring a close resemblance to July. Weather in August »

Weather in September

September, the first month of the autumn in Henniker, is still a pleasant month, with an average temperature varying between 70.2°F (21.2°C) and 50.5°F (10.3°C). September brings a slight decrease in temperature, down from a moderately hot 77.9°F (25.5°C) in August to a pleasant 70.2°F (21.2°C). Weather in September »

Weather in October

October, the same as September, in Henniker, New Hampshire, is a moderate autumn month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 56.7°F (13.7°C). The arrival of October corresponds with a shift in temperature, down from a pleasant 70.2°F (21.2°C) in September to a mild 56.7°F (13.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Henniker, New Hampshire, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 31.1°F (-0.5°C). With the beginning of November, the average high-temperature shows a decrease, transitioning from a refreshing 56.7°F (13.7°C) in October to a chilly 44.2°F (6.8°C). Weather in November »

Weather in December

December, the first month of the winter in Henniker, is also a wintry month, with an average temperature ranging between max 33.1°F (0.6°C) and min 22.5°F (-5.3°C). With December's arrival, Henniker, New Hampshire, sees a decrease in average high-temperatures, moving from a chilly 44.2°F (6.8°C) in November to an icy 33.1°F (0.6°C). Weather in December »
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Temperature readings reach their annual highs in January, averaging 27.5°F (-2.5°C) and a minimum average of 14.9°F (-9.5°C).

How many days does it rain?

Throughout the year, there are 149.8 rainfall days, and 27.95" (710mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow?

Throughout the year, there are 54.7 snowfall days, and 34.06" (865mm) of snow is accumulated.

What is the month with the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the most humid month?

February is the most humid month, with an average relative humidity of 85%.

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 11.8 days and accumulates 8.62" (219mm) of snow.

What is the month with the least sunshine?

With an average of 4.3h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST)?

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?

The least humid month is April, with an average relative humidity of 74%.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 15h and 18min of daylight.

What part of the year is the hottest?

July, having an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 59.2°F (15.1°C), is the warmest month.

What are the months with the highest UV index?

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?

The month with the most sunshine is August, with an average of 10.3h of sunshine.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.89" (48mm) of precipitation.

What is the wettest month?

The month with the most rainfall is October, when the rain falls for 13.6 days and typically aggregates up to 3.19" (81mm) of precipitation.

What is the month with the shortest days?

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

Average temperature
Henniker, NH

Average temperature - Henniker, NH

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.5°F).

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

Average pressure
Henniker, NH

Average pressure - Henniker, 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).

Average wind speed
Henniker, NH

Average wind speed - Henniker, NH

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity
Henniker, NH

Average humidity - Henniker, NH

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

Average rainfall
Henniker, NH

Average rainfall - Henniker, NH

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days
Henniker, NH

Average rainfall days - Henniker, NH

The months with the highest number of rainy days are May and June (15.8 days).
The month with the least rainy days is February (8.1 days).

Average snowfall
Henniker, NH

Average snowfall - Henniker, NH

The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Henniker, NH

Average snowfall days - Henniker, NH

The month with the highest number of snowfall days is March (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Henniker, NH

Average daylight / Average sunshine - Henniker, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days
Henniker, NH

Average sunshine days - Henniker, NH

The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is March (11.3 days).

Average UV index
Henniker, NH

Average UV index - Henniker, 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, October, November and December (UV index 2).

Average visibility
Henniker, NH

Average visibility - Henniker, NH

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Henniker, New Hampshire, USA

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