Climate and monthly weather forecast
Amherst, NH

Weather in January

January, the same as December, in Amherst, New Hampshire, is a freezing cold winter month, with an average temperature fluctuating between 29.7°F (-1.3°C) and 17.1°F (-8.3°C). 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). Weather in January »

Weather in February

The last month of the winter, February, is a cold month in Amherst, New Hampshire, with an average temperature ranging between max 32.9°F (0.5°C) and min 18.5°F (-7.5°C). In Amherst, the average high-temperature in February is relatively the same as in January - a cold 32.9°F (0.5°C). Weather in February »

Weather in March

The first month of the spring, March, is still a cold month in Amherst, New Hampshire, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 41°F (5°C). In Amherst, the average high-temperature in March marginally rises from 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 Amherst, New Hampshire, with an average temperature varying between 37°F (2.8°C) and 54.7°F (12.6°C). In April, the average high-temperature rises from a cold 41°F (5°C) in March to a cool 54.7°F (12.6°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Amherst, New Hampshire, with an average temperature ranging between max 67.1°F (19.5°C) and min 46.9°F (8.3°C). In Amherst, the average high-temperature in May rises from a fresh 54.7°F (12.6°C) in April to a comfortable 67.1°F (19.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Amherst, New Hampshire, with an average temperature ranging between min 54.1°F (12.3°C) and max 74.7°F (23.7°C). In Amherst, the average high-temperature in June slightly increases from a comfortable 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, like June, in Amherst, New Hampshire, is a moderately hot summer month, with an average temperature varying between 61°F (16.1°C) and 81.5°F (27.5°C). July is the warmest month, with an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 61°F (16.1°C). The average heat index in July is computed to be a tropical 86.5°F (30.3°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Amherst, New Hampshire, with an average temperature varying between 79.3°F (26.3°C) and 59.4°F (15.2°C). In Amherst, the average high-temperature in August is practically the same as in July - a still moderately hot 79.3°F (26.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Amherst, is also an agreeable month, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 52.5°F (11.4°C). In Amherst, the average high-temperature in September slightly decreases from a warm 79.3°F (26.3°C) in August to a pleasant 71.8°F (22.1°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Amherst, New Hampshire, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 58.5°F (14.7°C). In Amherst, the average high-temperature in October drops from a pleasant 71.8°F (22.1°C) in September to a mild 58.5°F (14.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Amherst, is also a frosty month, with an average temperature ranging between max 46.6°F (8.1°C) and min 33.1°F (0.6°C). In Amherst, New Hampshire, the average high-temperature in November drops 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 still a cold month in Amherst, New Hampshire, with an average temperature fluctuating between 35.4°F (1.9°C) and 24.6°F (-4.1°C). In December, the average high-temperature drops from a chilly 46.6°F (8.1°C) in November to a wintry 35.4°F (1.9°C). Weather in December »
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FAQ

What is the coldest month in Amherst?

The coldest month in Amherst, New Hampshire, 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 Amherst?

In Amherst, 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 Amherst?

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

How much does it snow in Amherst?

In Amherst, 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 Amherst?

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

What is the most humid month in Amherst?

The most humid month in Amherst is February, with an average relative humidity of 82%.

When does it snow the most in Amherst?

The month with the most snowfall in Amherst 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 Amherst?

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

When is Daylight Saving Time (DST) in Amherst?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, 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 Amherst?

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

When it does not snow in Amherst?

June through September are months without snowfall.

When are the longest days in Amherst?

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

What is the warmest month in Amherst?

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

When is the highest UV index in Amherst?

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

What month has the most sunshine in Amherst?

The month with the most sunshine is August, with an average of 10.4h of sunshine.

What is the driest month in Amherst?

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 rainiest month in Amherst?

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 Amherst?

December has the shortest days of the year in Amherst, with an average of 9h and 5min of daylight.

Average pressure
Amherst, NH

Average pressure - Amherst, 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
Amherst, NH

Average wind speed - Amherst, 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
Amherst, NH

Average rainfall - Amherst, 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
Amherst, NH

Average rainfall days - Amherst, 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
Amherst, NH

Average snowfall - Amherst, 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
Amherst, NH

Average snowfall days - Amherst, 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
Amherst, NH

Average daylight / Average sunshine - Amherst, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Amherst, NH

Average sunshine days - Amherst, 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
Amherst, NH

Average UV index - Amherst, 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
Amherst, NH

Average visibility - Amherst, 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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