Climate and monthly weather forecast
Amherst, MA

Weather in January

January, like December, is another subzero cold winter month in Amherst, Massachusetts, with an average temperature fluctuating between 30.6°F (-0.8°C) and 18.1°F (-7.7°C). With an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18.1°F (-7.7°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Amherst, is a cold month, with an average temperature fluctuating between 33.4°F (0.8°C) and 18.5°F (-7.5°C). In February, the average high-temperature is essentially the same as in January - a cold 33.4°F (0.8°C). Weather in February »

Weather in March

March, the first month of the spring in Amherst, is also a wintry month, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 27°F (-2.8°C). In March, the average high-temperature marginally rises from a cold 33.4°F (0.8°C) in February to a still wintry 41.9°F (5.5°C). Weather in March »

Weather in April

April in Amherst, Massachusetts, is a mild spring month, with an average temperature varying between 37.4°F (3°C) and 55.6°F (13.1°C). In Amherst, Massachusetts, the average high-temperature in April rises from a cold 41.9°F (5.5°C) in March to a moderate 55.6°F (13.1°C). Weather in April »

Weather in May

May, the last month of the spring in Amherst, is an enjoyable month, with an average temperature varying between 67.8°F (19.9°C) and 47.3°F (8.5°C). In Amherst, the average high-temperature in May rises from a moderate 55.6°F (13.1°C) in April to a comfortable 67.8°F (19.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Amherst, Massachusetts, with an average temperature ranging between min 54.5°F (12.5°C) and max 75.2°F (24°C). In Amherst, the average high-temperature in June marginally rises from a comfortable 67.8°F (19.9°C) in May to a moderately hot 75.2°F (24°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Amherst, Massachusetts, with an average temperature fluctuating between 82°F (27.8°C) and 60.8°F (16°C). The warmest month is July, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 60.8°F (16°C). The average heat index in July is calculated to be a hot 87.6°F (30.9°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Amherst, Massachusetts, with an average temperature fluctuating between 59.2°F (15.1°C) and 80.1°F (26.7°C). In August, the average high-temperature is almost the same as in July - a still warm 80.1°F (26.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Amherst, is still a pleasant month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 52.9°F (11.6°C). In Amherst, the average high-temperature in September marginally drops from a warm 80.1°F (26.7°C) in August to a pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Amherst, Massachusetts, with an average temperature fluctuating between 59.2°F (15.1°C) and 43.7°F (6.5°C). In October, the average high-temperature drops from a pleasant 72.5°F (22.5°C) in September to a moderate 59.2°F (15.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Amherst, is another chilly month, with an average temperature ranging between min 33.1°F (0.6°C) and max 47.3°F (8.5°C). In Amherst, the average high-temperature in November decreases from a moderate 59.2°F (15.1°C) in October to a chilly 47.3°F (8.5°C). Weather in November »

Weather in December

December, the first month of the winter in Amherst, is also a wintry month, with an average temperature fluctuating between 25.3°F (-3.7°C) and 36.5°F (2.5°C). In December, the average high-temperature drops from a chilly 47.3°F (8.5°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
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FAQ

What is the coldest month in Amherst?

The coldest month is January, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18.1°F (-7.7°C).

How many days does it rain in Amherst?

In Amherst, during the entire year, the rain falls for 141.3 days and collects up to 27.05" (687mm) of precipitation.

When does it snow in Amherst?

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

How much does it snow in Amherst?

In Amherst, during the entire year, snow falls for 38.2 days and aggregates up to 21.42" (544mm) of snow.

When is the lowest UV index in Amherst?

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

What is the most humid month in Amherst?

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

When does it snow the most in Amherst?

The month with the most snowfall in Amherst, Massachusetts, is February, when snow falls for 10.2 days and typically aggregates up to 6.14" (156mm) of snow.

What is the month with the least sunshine in Amherst?

With an average of 4.7h of sunshine, February has the least sunshine of the year in Amherst, Massachusetts.

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?

The least humid month in Amherst, Massachusetts, is April, with an average relative humidity of 72%.

When it does not snow in Amherst?

In Amherst, snow does not fall in June through September.

When are the longest days in Amherst?

With an average of 15h and 14min of daylight, June has the longest days of the year in Amherst, Massachusetts.

What are the months with the highest UV index in Amherst?

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

What is the warmest month in Amherst?

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 60.8°F (16°C), July is the warmest month.

What are the months with the most sunshine in Amherst?

The months with the most sunshine are July and August, with an average of 10.3h of sunshine.

What is the driest month in Amherst?

The month with the least rainfall in Amherst, Massachusetts, is September, when the rain falls for 10.7 days and typically collects 1.57" (40mm) of precipitation.

What is the rainiest month in Amherst?

December is the month with the most rainfall in Amherst. Rain falls for 10.7 days and accumulates 2.87" (73mm) of precipitation.

What is the month with the shortest days in Amherst?

With an average of 9h and 8min of daylight, December has the shortest days of the year in Amherst.

Average temperature
Amherst, MA

Average temperature - Amherst, MA

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.6°F).

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure
Amherst, MA

Average pressure - Amherst, MA

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Amherst, MA

Average wind speed - Amherst, MA

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average rainfall
Amherst, MA

Average rainfall - Amherst, MA

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days
Amherst, MA

Average rainfall days - Amherst, MA

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall
Amherst, MA

Average snowfall - Amherst, MA

The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Amherst, MA

Average snowfall days - Amherst, MA

The month with the highest number of snowfall days is February (10.2 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, MA

Average daylight / Average sunshine - Amherst, MA

The month with the longest days is June (Average daylight: 15h and 14min).
The month with the shortest days is December (Average daylight: 9h and 8min).

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
Amherst, MA

Average sunshine days - Amherst, MA

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is March (13.6 days).

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Average UV index
Amherst, MA

Average UV index - Amherst, MA

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average visibility
Amherst, MA

Average visibility - Amherst, MA

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

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