Climate and monthly weather forecast
Sunderland, MA

Weather in January

January, like December, is another subzero cold winter month in Sunderland, Massachusetts, with an average temperature ranging between max 29.7°F (-1.3°C) and min 17.1°F (-8.3°C). January is the coldest month, 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

February, the last month of the winter in Sunderland, is a wintry month, with temperature in the range of an average high of 32.7°F (0.4°C) and an average low of 18°F (-7.8°C). In Sunderland, the average high-temperature in February is almost the same as in January - a cold 32.7°F (0.4°C). Weather in February »

Weather in March

The first month of the spring, March, is still a cold month in Sunderland, Massachusetts, with temperature in the range of an average high of 41.2°F (5.1°C) and an average low of 26.1°F (-3.3°C). In March, the average high-temperature slightly increases from 32.7°F (0.4°C) in February to a still wintry 41.2°F (5.1°C). Weather in March »

Weather in April

April in Sunderland, Massachusetts, is a cool spring month, with an average temperature ranging between max 54.5°F (12.5°C) and min 36.1°F (2.3°C). In April, the average high-temperature rises from a cold 41.2°F (5.1°C) in March to a fresh 54.5°F (12.5°C). Weather in April »

Weather in May

May, the last month of the spring in Sunderland, is a comfortable month, with an average temperature varying between 67.5°F (19.7°C) and 46.9°F (8.3°C). In Sunderland, the average high-temperature in May rises from a fresh 54.5°F (12.5°C) in April to a comfortable 67.5°F (19.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Sunderland, Massachusetts, with an average temperature fluctuating between 74.8°F (23.8°C) and 54°F (12.2°C). In June, the average high-temperature marginally rises from a comfortable 67.5°F (19.7°C) in May to a moderately hot 74.8°F (23.8°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Sunderland, Massachusetts, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 81.3°F (27.4°C). July is the warmest month, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 59.7°F (15.4°C). In July, the average heat index is estimated at a hot 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Sunderland, Massachusetts, with an average temperature ranging between max 79.2°F (26.2°C) and min 58.3°F (14.6°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 79.2°F (26.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Sunderland, Massachusetts, with an average temperature fluctuating between 52.2°F (11.2°C) and 71.4°F (21.9°C). In September, the average high-temperature marginally drops from a moderately hot 79.2°F (26.2°C) in August to an agreeable 71.4°F (21.9°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Sunderland, Massachusetts, with temperature in the range of an average high of 58.3°F (14.6°C) and an average low of 43.3°F (6.3°C). In October, the average high-temperature decreases from a pleasant 71.4°F (21.9°C) in September to a mild 58.3°F (14.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Sunderland, is also a frosty month, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 32.7°F (0.4°C). In Sunderland, the average high-temperature in November drops from a moderate 58.3°F (14.6°C) in October to a chilly 46°F (7.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Sunderland, Massachusetts, with an average temperature ranging between min 24.3°F (-4.3°C) and max 35.4°F (1.9°C). In Sunderland, the average high-temperature in December drops from a chilly 46°F (7.8°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 Sunderland?

January is the coldest month, 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 many days does it rain in Sunderland?

Throughout the year, there are 147.7 rainfall days, and 28.9" (734mm) of precipitation is accumulated.

When does it snow in Sunderland?

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

How much does it snow in Sunderland?

In Sunderland, Massachusetts, during the entire year, snow falls for 38.7 days and aggregates up to 23.07" (586mm) of snow.

When is the lowest UV index in Sunderland?

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

What is the most humid month in Sunderland?

February is the most humid month in Sunderland, Massachusetts, with an average relative humidity of 83%.

When does it snow the most in Sunderland?

The month with the most snowfall in Sunderland is February, when snow falls for 9 days and typically aggregates up to 6.42" (163mm) of snow.

What is the month with the least sunshine in Sunderland?

February has the least sunshine of the year, with an average of 4.5h of sunshine.

When is Daylight Saving Time (DST) in Sunderland?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Sunderland, Massachusetts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Sunderland?

With an average relative humidity of 73%, April is the least humid month in Sunderland.

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

The months with the highest UV index in Sunderland are May through August, with an average maximum UV index of 5.

When it does not snow in Sunderland?

June through September are months without snowfall.

When are the longest days in Sunderland?

The month with the longest days is June, with an average of 15h and 14min of daylight.

What is the warmest month in Sunderland?

The warmest month is July, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 59.7°F (15.4°C).

What month has the most sunshine in Sunderland?

The month with the most sunshine in Sunderland, Massachusetts, is July, with an average of 10.2h of sunshine.

What is the driest month in Sunderland?

The month with the least rainfall in Sunderland, Massachusetts, is September, when the rain falls for 10 days and typically collects 1.69" (43mm) of precipitation.

What is the rainiest month in Sunderland?

December is the month with the most rainfall in Sunderland, Massachusetts. Rain falls for 10.9 days and accumulates 3.07" (78mm) of precipitation.

What is the month with the shortest days in Sunderland?

The month with the shortest days in Sunderland, Massachusetts, is December, with an average of 9h and 8min of daylight.

Average temperature
Sunderland, MA

Average temperature - Sunderland, MA

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure
Sunderland, MA

Average pressure - Sunderland, 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
Sunderland, MA

Average wind speed - Sunderland, MA

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average rainfall
Sunderland, MA

Average rainfall - Sunderland, MA

The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days
Sunderland, MA

Average rainfall days - Sunderland, MA

The month with the highest number of rainy days is April (15.3 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall
Sunderland, MA

Average snowfall - Sunderland, MA

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
Sunderland, MA

Average snowfall days - Sunderland, MA

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Sunderland, MA

Average daylight / Average sunshine - Sunderland, MA

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days
Sunderland, MA

Average sunshine days - Sunderland, MA

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index
Sunderland, MA

Average UV index - Sunderland, MA

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average visibility
Sunderland, MA

Average visibility - Sunderland, 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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