Monthly weather forecast and climate
Chester, NH

Weather in January

January, like December, is a freezing cold winter month in Chester, New Hampshire, with average temperature fluctuating between 30.6°F (-0.8°C) and 18°F (-7.8°C). The coldest month is January, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18°F (-7.8°C). Weather in January »

Weather in February

February, the last month of the winter, in Chester, is a wintry month, with average temperature ranging between min 18.9°F (-7.3°C) and max 33.3°F (0.7°C). In Chester, the average high-temperature in February is practically the same as in January - a cold 33.3°F (0.7°C). Weather in February »

Weather in March

The first month of the spring, March, is still a cold month in Chester, New Hampshire, with average temperature varying between 26.4°F (-3.1°C) and 41.2°F (5.1°C). In March, the average high-temperature marginally rises, from a cold 33.3°F (0.7°C) in February, to a still wintry 41.2°F (5.1°C). Weather in March »

Weather in April

April in Chester, New Hampshire, is a fresh spring month, with average temperature varying between 55°F (12.8°C) and 37.4°F (3°C). In Chester, the average high-temperature rises, from a cold 41.2°F (5.1°C) in March, to a fresh 55°F (12.8°C). Weather in April »

Weather in May

May, the last month of the spring, in Chester, is an enjoyable month, with average temperature varying between 66.9°F (19.4°C) and 47.1°F (8.4°C). In Chester, the average high-temperature in May rises, from a cool 55°F (12.8°C) in April, to an enjoyable 66.9°F (19.4°C). Weather in May »

Weather in June

June, the first month of the summer, in Chester, is a moderately hot month, with average temperature fluctuating between 54.5°F (12.5°C) and 74.5°F (23.6°C). In June, the average high-temperature slightly increases, from a comfortable 66.9°F (19.4°C) in May, to a warm 74.5°F (23.6°C). Weather in June »

Weather in July

July, like June, in Chester, New Hampshire, is another warm summer month, with average temperature varying between 81.7°F (27.6°C) and 61°F (16.1°C). July is the warmest month, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61°F (16.1°C). The average heat index in July is appraised at a tropical 86.9°F (30.5°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Chester, New Hampshire, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 59.9°F (15.5°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 80.1°F (26.7°C). Weather in August »

Weather in September

September, the first month of the autumn, in Chester, is still a pleasant month, with average temperature ranging between min 54°F (12.2°C) and max 72.1°F (22.3°C). In Chester, the average high-temperature marginally drops, from a warm 80.1°F (26.7°C) in August, to a pleasant 72.1°F (22.3°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Chester, New Hampshire, with average temperature ranging between min 44.6°F (7°C) and max 59.2°F (15.1°C). In October, the average high-temperature decreases, from a pleasant 72.1°F (22.3°C) in September, to a mild 59.2°F (15.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Chester, New Hampshire, with average temperature fluctuating between 46.6°F (8.1°C) and 33.6°F (0.9°C). In November, the average high-temperature decreases, from a moderate 59.2°F (15.1°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 Chester, is also a wintry month, with average temperature ranging between max 36.3°F (2.4°C) and min 25.3°F (-3.7°C). In Chester, the average high-temperature decreases, from a frosty 46.6°F (8.1°C) in November, to a cold 36.3°F (2.4°C). Weather in December »
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FAQ

What is the coldest month in Chester?

The coldest month is January, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18°F (-7.8°C).

How many days does it rain in Chester?

In Chester, New Hampshire, during the entire year, the rain falls for 104.4 days and collects up to 12.95" (329mm) of precipitation.

What is the driest month in Chester?

January is the month with the least rainfall. Rain falls for 4.1 days and accumulates 0.75" (19mm) of precipitation.

When does it snow in Chester?

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

How many days does it snow in Chester?

Throughout the year, in Chester, there are 26.1 snowfall days, and 11.54" (293mm) of snow is accumulated.

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

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

What is the most humid month in Chester?

The most humid month is February, with an average relative humidity of 81%.

What is the month with the least sunshine in Chester?

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

What is the least humid month in Chester?

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

When it does not snow in Chester?

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

When are the longest days in Chester?

June has the longest days of the year, with an average of 15.3h of daylight.

When is the highest UV index in Chester?

Months with the highest UV index in Chester are June through August, with an average maximum UV index of 6.

What is the warmest month in Chester?

With an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61°F (16.1°C), July is the warmest month.

What month has the most sunshine in Chester?

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

What is the wettest month in Chester?

The month with the most rainfall in Chester, New Hampshire, is October when the rain falls for 9.4 days and typically aggregates up to 1.38" (35mm) of precipitation.

What is the snowiest month in Chester?

The month with the most snowfall in Chester is December when snow falls for 4 days and typically aggregates up to 2.99" (76mm) of snow.

What is the month with the shortest days in Chester?

The month with the shortest days is December, with an average of 9.1h of daylight.

Average pressure
Chester, NH

Average pressure - Chester, NH

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

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Average wind speed
Chester, NH

Average wind speed - Chester, NH

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average rainfall
Chester, NH

Average rainfall - Chester, NH

The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days
Chester, NH

Average rainfall days - Chester, NH

The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is January (4.1 days).

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Average snowfall
Chester, NH

Average snowfall - Chester, NH

The month with the highest snowfall is December (2.99").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Chester, NH

Average snowfall days - Chester, NH

The month with the highest number of snowfall days is January (7.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Chester, NH

Average daylight / Average sunshine - Chester, 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: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days
Chester, NH

Average sunshine days - Chester, NH

Months with the most sunshine days are January and December (21.3 days).
The month with the least sunshine days is June (16.7 days).

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Average UV index
Chester, NH

Average UV index - Chester, NH

Months with the highest UV index are June, 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
Chester, NH

Average visibility - Chester, NH

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

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