Climate and monthly weather forecast
South Duxbury, MA

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Weather in January

January, like December, in South Duxbury, Massachusetts, is another cold winter month, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 35.8°F (2.1°C). January brings the lowest temperatures, with an average high of 35.8°F (2.1°C) and an average low of 26.2°F (-3.2°C). Weather in January »

Weather in February

February, the last month of the winter in South Duxbury, is another cold month, with an average temperature ranging between min 27.3°F (-2.6°C) and max 37.6°F (3.1°C). South Duxbury records a slight change with February's average high-temperatures adjusting to a still icy 37.6°F (3.1°C) from January's 35.8°F (2.1°C). Weather in February »

Weather in March

March, the first month of the spring in South Duxbury, is also a wintry month, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 33.1°F (0.6°C). With the onset of March, South Duxbury's average high-temperature clocks in at a still cold 42.1°F (5.6°C), showing a minor fluctuation from the previous month. Weather in March »

Weather in April

April is a cool spring month in South Duxbury, Massachusetts, with an average temperature varying between 41.5°F (5.3°C) and 50.9°F (10.5°C). The embrace of April brings a minor uplift in the average high-temperature, shifting from a cold 42.1°F (5.6°C) in March to a fresh 50.9°F (10.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in South Duxbury, Massachusetts, with an average temperature fluctuating between 60.3°F (15.7°C) and 50°F (10°C). The start of May brings a shift in the average high-temperature, increasing from April's cool 50.9°F (10.5°C) to a moderate 60.3°F (15.7°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in South Duxbury, Massachusetts, with temperature in the range of an average high of 68.4°F (20.2°C) and an average low of 58.5°F (14.7°C). With the start of June, the average high-temperature marginally shifts from May's moderate 60.3°F (15.7°C) to an agreeable 68.4°F (20.2°C). Weather in June »

Weather in July

July is a moderately hot summer month in South Duxbury, Massachusetts, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 75.7°F (24.3°C). South Duxbury's temperatures tend to hit their maximum during July and August, with an average high-temperature of 75.7°F (24.3°C). Weather in July »

Weather in August

August, the last month of the summer in South Duxbury, is also a moderately hot month, with an average temperature fluctuating between 75.7°F (24.3°C) and 65.8°F (18.8°C). July and August mark South Duxbury's peak of temperatures, averaging a high-temperature of 75.7°F (24.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in South Duxbury, Massachusetts, with an average temperature ranging between min 59.9°F (15.5°C) and max 69.3°F (20.7°C). In South Duxbury, entering September brings a subtle temperature decrement, reducing from August's moderately hot 75.7°F (24.3°C) to an agreeable 69.3°F (20.7°C). Weather in September »

Weather in October

October, the same as September, in South Duxbury, Massachusetts, is another mild autumn month, with an average temperature varying between 60.1°F (15.6°C) and 50.9°F (10.5°C). The arrival of October corresponds with a shift in temperature, down from a pleasant 69.3°F (20.7°C) in September to a refreshing 60.1°F (15.6°C). Weather in October »

Weather in November

November, the last month of the autumn in South Duxbury, is another chilly month, with an average temperature fluctuating between 41°F (5°C) and 49.8°F (9.9°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's mild 60.1°F (15.6°C) to a frosty 49.8°F (9.9°C). Weather in November »

Weather in December

December, the first month of the winter in South Duxbury, is also an icy month, with an average temperature ranging between max 41.7°F (5.4°C) and min 32.9°F (0.5°C). December reveals a small adjustment in temperature, transitioning from an average high of a frosty 49.8°F (9.9°C) in November to an icy 41.7°F (5.4°C). Weather in December »
Updated: Feb 12, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What month is the coldest in South Duxbury?

South Duxbury's January weather, marked by an average high temperature of 35.8°F (2.1°C) and an average low temperature of 26.2°F (-3.2°C), is the coldest in the year.

How many days does it rain in South Duxbury?

In South Duxbury, Massachusetts, during the entire year, the rain falls for 120.2 days and collects up to 12.24" (311mm) of precipitation.

When does it snow in South Duxbury?

January through April, November and December are months with snowfall.

How many days does it snow in South Duxbury?

In South Duxbury, during the entire year, snow falls for 21 days and aggregates up to 3.54" (90mm) of snow.

When is the lowest UV index in South Duxbury?

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

What is the driest month in South Duxbury?

The month with the least rainfall in South Duxbury is February, when the rain falls for 6.3 days and typically collects 0.75" (19mm) of precipitation.

When does it snow the most in South Duxbury?

The month with the most snowfall is February, when snow falls for 5.8 days and typically aggregates up to 0.98" (25mm) of snow.

What months are the ocean coldest in South Duxbury?

The months with the coldest seawater in South Duxbury are February and March, with an average ocean temperature of 38.8°F (3.8°C).

What are the months with the least sunshine in South Duxbury?

February and December, with an average of 4.7h of sunshine, are months with the least sunshine in South Duxbury, Massachusetts.

What are the least humid months in South Duxbury?

The months with the lowest humidity in South Duxbury, Massachusetts, are March and November, with an average relative humidity of 74%.

When is Daylight Saving Time (DST) in South Duxbury?

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

When it does not snow in South Duxbury?

In South Duxbury, snow does not fall in May through October.

What is the most humid month in South Duxbury?

The months with the highest humidity are June and July, with an average relative humidity of 80%.

When are the longest days in South Duxbury?

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

What part of the year is the hottest in South Duxbury?

The warmest period falls in July and August, when the average high-temperature reaches 75.7°F (24.3°C).

What is the wettest month in South Duxbury?

The month with the most rainfall in South Duxbury, Massachusetts, is July, when the rain falls for 13.2 days and typically aggregates up to 1.34" (34mm) of precipitation.

What are the months with the highest UV index in South Duxbury?

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

What is the month with the warmest ocean in South Duxbury?

August is the month with the warmest seawater, with an average ocean temperature of 67.6°F (19.8°C).

What month has the most sunshine in South Duxbury?

August has the most sunshine of the year in South Duxbury, with an average of 10.7h of sunshine.

What is the month with the shortest days in South Duxbury?

December has the shortest days of the year in South Duxbury, with an average of 9h and 12min of daylight.

Average temperature
South Duxbury, MA

Average temperature - South Duxbury, MA

The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (35.8°F).

The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure
South Duxbury, MA

Average pressure - South Duxbury, MA

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
South Duxbury, MA

Average wind speed - South Duxbury, MA

The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

Average humidity
South Duxbury, MA

Average humidity - South Duxbury, MA

The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).

Average rainfall
South Duxbury, MA

Average rainfall - South Duxbury, MA

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days
South Duxbury, MA

Average rainfall days - South Duxbury, MA

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (6.3 days).

Average snowfall
South Duxbury, MA

Average snowfall - South Duxbury, MA

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
South Duxbury, MA

Average snowfall days - South Duxbury, MA

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature
South Duxbury, MA

Average sea temperature - South Duxbury, MA

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

Average daylight / Average sunshine
South Duxbury, MA

Average daylight / Average sunshine - South Duxbury, 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 12min).

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

Average sunshine days
South Duxbury, MA

Average sunshine days - South Duxbury, MA

The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is July (15.7 days).

Average UV index
South Duxbury, MA

Average UV index - South Duxbury, MA

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).

Average visibility
South Duxbury, MA

Average visibility - South Duxbury, MA

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

South Duxbury, Massachusetts, USA

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