Climate and monthly weather forecast
Sunderland, MA

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Weather in January

January, like December, is a freezing cold winter month in Sunderland, Massachusetts, with an average temperature varying between 29.7°F (-1.3°C) and 17.1°F (-8.3°C). In Sunderland, January is the coldest month, with temperatures averaging a high of 29.7°F (-1.3°C) and a low of 17.1°F (-8.3°C). Weather in January »

Weather in February

February, the last month of the winter in Sunderland, is a cold month, with an average temperature varying between 18°F (-7.8°C) and 32.7°F (0.4°C). As Sunderland steps into February, the average high-temperature is measured at an icy 32.7°F (0.4°C), displaying minor differences from January's 29.7°F (-1.3°C). Weather in February »

Weather in March

March, the first month of the spring in Sunderland, is still a cold month, 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). The start of March brings a subtle rise in the average high-temperature, moving from a wintry 32.7°F (0.4°C) in February to a still icy 41.2°F (5.1°C). Weather in March »

Weather in April

April in Sunderland, Massachusetts, is a fresh spring month, with an average temperature ranging between max 54.5°F (12.5°C) and min 36.1°F (2.3°C). As Sunderland transitions into April, a rise in the average high-temperature is observed, moving from a wintry 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 an enjoyable month, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 46.9°F (8.3°C). A shift in the average high-temperature is noticeable in May, changing from a cool 54.5°F (12.5°C) in April to a refreshing 67.5°F (19.7°C). Weather in May »

Weather in June

June, the first month of the summer in Sunderland, is a moderately hot month, with an average temperature fluctuating between 74.8°F (23.8°C) and 54°F (12.2°C). Sunderland's transition into June brings a slight rise in the average high-temperature, moving from a comfortable 67.5°F (19.7°C) in May to a warm 74.8°F (23.8°C). Weather in June »

Weather in July

July, the same as June, is another warm 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). In Sunderland, the month of July registers the highest temperatures, averaging 81.3°F (27.4°C) at the peak and 59.7°F (15.4°C) at the lowest. During July, the heat index is computed to be a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Sunderland, Massachusetts, with an average temperature varying between 58.3°F (14.6°C) and 79.2°F (26.2°C). The arrival of August marks a slight shift to an average high-temperature of a still moderately hot 79.2°F (26.2°C) from July's 81.3°F (27.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Sunderland, Massachusetts, with an average temperature fluctuating between 52.2°F (11.2°C) and 71.4°F (21.9°C). In Sunderland, entering September brings a subtle temperature decrement, reducing from August's moderately hot 79.2°F (26.2°C) to a pleasant 71.4°F (21.9°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Sunderland, Massachusetts, with an average temperature fluctuating between 58.3°F (14.6°C) and 43.3°F (6.3°C). In the transition to October, Sunderland observes a drop in the average high-temperature, moving from an agreeable 71.4°F (21.9°C) in September to a moderate 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 an average temperature fluctuating between 32.7°F (0.4°C) and 46°F (7.8°C). November brings a decrease in the average high-temperature, shifting from a mild 58.3°F (14.6°C) in October to a chilly 46°F (7.8°C). Weather in November »

Weather in December

December, the first month of the winter in Sunderland, is also a wintry month, with an average temperature fluctuating between 24.3°F (-4.3°C) and 35.4°F (1.9°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a frosty 46°F (7.8°C) in November to a wintry 35.4°F (1.9°C). Weather in December »

Frequently asked questions

What are the coldest months in Sunderland?

January is Sunderland's coldest month, registering average high temperatures of 29.7°F (-1.3°C) and lows of 17.1°F (-8.3°C).

How much does it rain?

In Sunderland, Massachusetts, during the entire year, the rain falls for 147.7 days and collects up to 28.9" (734mm) of precipitation.

When does it snow in Sunderland?

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

How much does it snow?

Throughout the year, there are 38.7 snowfall days, and 23.07" (586mm) of snow is accumulated.

What is the month with the lowest UV index?

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

What is the most humid month?

The most humid month is February, with an average relative humidity of 83%.

When does it snow the most?

The month with the most snowfall 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?

With an average of 4.5h 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?

April is the least humid month, with an average relative humidity of 73%.

When is the highest UV index?

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

When it does not snow?

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

When are the longest days?

With an average of 15h and 12min of daylight, June has the longest days of the year.

What month is the hottest?

July, with an average high of 81.3°F (27.4°C) and a low of 59.7°F (15.4°C), signifies the warmest month of the year.

What month has the most sunshine?

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

What is the driest month in Sunderland?

September is the month with the least rainfall. Rain falls for 10 days and accumulates 1.69" (43mm) of precipitation.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 10.9 days and typically aggregates up to 3.07" (78mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min 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).

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).

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).

Average humidity
Sunderland, MA

Average humidity - Sunderland, MA

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).

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").

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).

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").

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).

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).

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).

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).

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).

Sunderland, Massachusetts, USA

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