Climate and monthly weather forecast
Southborough, MA

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Weather in January

January, the same as December, is another cold winter month in Southborough, Massachusetts, with an average temperature fluctuating between 32.5°F (0.3°C) and 19.8°F (-6.8°C). The coldest time of the year is January, with temperatures averaging a high of 32.5°F (0.3°C) and a low of 19.8°F (-6.8°C). Weather in January »

Weather in February

February, the last month of the winter in Southborough, is also an icy month, with an average temperature varying between 20.7°F (-6.3°C) and 35.2°F (1.8°C). As February takes hold, the average high-temperature is a still cold 35.2°F (1.8°C), nearly mirroring that of the previous month. Weather in February »

Weather in March

March, the first month of the spring in Southborough, is a frosty month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 43°F (6.1°C). In Southborough, the average high-temperature in March slightly rises, from a wintry 35.2°F (1.8°C) in February, to a frosty 43°F (6.1°C). Weather in March »

Weather in April

April is a mild spring month in Southborough, Massachusetts, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 55.9°F (13.3°C). Southborough's weather in April shows a rise in the average high-temperature, moving up from March's chilly 43°F (6.1°C) to a moderate 55.9°F (13.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Southborough, Massachusetts, with an average temperature ranging between max 67.5°F (19.7°C) and min 48.7°F (9.3°C). A shift in the average high-temperature is noticeable in May, changing from a moderate 55.9°F (13.3°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 Southborough, Massachusetts, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 75.2°F (24°C). As Southborough enters June, the average high-temperature marginally increases from the a comfortable 67.5°F (19.7°C) of May to a warm 75.2°F (24°C). Weather in June »

Weather in July

July, like June, in Southborough, Massachusetts, is a moderately hot summer month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 82°F (27.8°C). July, characterized by an average high temperature of 82°F (27.8°C) and a low temperature of 63°F (17.2°C), is generally the warmest month. The heat index value for July is evaluated at a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Southborough, Massachusetts, with an average temperature ranging between max 80.4°F (26.9°C) and min 61.7°F (16.5°C). The advent of August signifies a minor shift to an average high-temperature of a still warm 80.4°F (26.9°C), aligning closely with July. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Southborough, Massachusetts, with an average temperature ranging between max 72.9°F (22.7°C) and min 54.7°F (12.6°C). As September arrives, Southborough's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 80.4°F (26.9°C) to an agreeable 72.9°F (22.7°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Southborough, Massachusetts, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 59.7°F (15.4°C). October involves a decrease in temperature, down from an agreeable 72.9°F (22.7°C) in September to a mild 59.7°F (15.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Southborough, is another chilly month, with an average temperature ranging between min 34.7°F (1.5°C) and max 48.6°F (9.2°C). Southborough's average high-temperature decreases in November, falling from a mild 59.7°F (15.4°C) in October to a chilly 48.6°F (9.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Southborough, Massachusetts, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 27°F (-2.8°C). The onset of December comes with a shift in the average high-temperature, falling from a frosty 48.6°F (9.2°C) in November to a cold 38.3°F (3.5°C). Weather in December »
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Frequently asked questions

What are the coldest months in Southborough?

Southborough's coldest month, January, generally records average temperatures ranging from a high of 32.5°F (0.3°C) to a low of 19.8°F (-6.8°C).

How much does it rain in Southborough?

In Southborough, during the entire year, the rain falls for 140.8 days and collects up to 26.34" (669mm) of precipitation.

When does it snow in Southborough?

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

How much does it snow in Southborough?

In Southborough, during the entire year, snow falls for 32.4 days and aggregates up to 21.61" (549mm) of snow.

When is the lowest UV index in Southborough?

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 Southborough?

The most humid month in Southborough is February, with an average relative humidity of 80%.

What is the snowiest month in Southborough?

February is the month with the most snowfall in Southborough. Snow falls for 7.8 days and accumulates 5.24" (133mm) of snow.

What is the month with the least sunshine in Southborough?

February has the least sunshine of the year, with an average of 4.8h of sunshine.

What is the wettest month in Southborough?

The wettest months are March, November and December, with an average 2.56" (65mm) of rainfall.

When is Daylight Saving Time (DST) in Southborough?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Southborough, 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 in Southborough?

April is the least humid month in Southborough, with an average relative humidity of 71%.

When it does not snow in Southborough?

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

When are the longest days in Southborough?

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

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

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

What are the warmest months in Southborough?

In Southborough, July is identified by the average highest temperatures, reaching a peak of 82°F (27.8°C) and a low of 63°F (17.2°C).

What month has the most sunshine in Southborough?

The month with the most sunshine in Southborough, Massachusetts, is August, with an average of 10.3h of sunshine.

What is the driest month in Southborough?

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.34" (34mm) of precipitation.

What is the month with the shortest days in Southborough?

The month with the shortest days in Southborough, Massachusetts, is December, with an average of 9h and 6min of daylight.

Average pressure
Southborough, MA

Average pressure - Southborough, MA

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
Southborough, MA

Average wind speed - Southborough, MA

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity
Southborough, MA

Average humidity - Southborough, MA

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

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Average rainfall
Southborough, MA

Average rainfall - Southborough, MA

The wettest months (with the highest rainfall) are March, November and December (2.56").
The driest month (with the least rainfall) is September (1.34").

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Average rainfall days
Southborough, MA

Average rainfall days - Southborough, MA

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall
Southborough, MA

Average snowfall - Southborough, MA

The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Southborough, MA

Average snowfall days - Southborough, MA

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Southborough, MA

Average daylight / Average sunshine - Southborough, 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 August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days
Southborough, MA

Average sunshine days - Southborough, MA

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is April (13.4 days).

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Average UV index
Southborough, MA

Average UV index - Southborough, 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, November and December (UV index 2).

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Average visibility
Southborough, MA

Average visibility - Southborough, MA

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

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Southborough, Massachusetts, USA

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