March weather forecast
South Duxbury, MA

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Weather in March

March, the first month of the spring in South Duxbury, is also a wintry month, with an average temperature varying between 33.1°F (0.6°C) and 42.1°F (5.6°C).

Temperature

Transitioning into March, South Duxbury experiences an average high-temperature of a still icy 42.1°F (5.6°C), marking a minor shift from the preceding month. March nights experience a minor temperature downturn to a still wintry 33.1°F (0.6°C).

Humidity

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

Rainfall

In South Duxbury, during March, the rain falls for 8.7 days and regularly aggregates up to 1.02" (26mm) of precipitation. In South Duxbury, during the entire year, the rain falls for 120.2 days and collects up to 12.24" (311mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In South Duxbury, during March, snow falls for 3.9 days and regularly aggregates up to 0.91" (23mm) of snow. Throughout the year, in South Duxbury, there are 21 snowfall days, and 3.54" (90mm) of snow is accumulated.

Ocean temperature

February and March, with an average ocean temperature of 38.8°F (3.8°C), are months with the coldest seawater.
Note: In swimming exercises, this state is seen as life-threatening and poses serious dangers. The painful sensation of the cold water induces immediate hyperventilation. A specialized swimsuit is required to limit thermal damage.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of March, sunrise is at 6:16 am and sunset at 5:33 pm EST. On the last day of the month, sunrise is at 6:25 am and sunset at 7:07 pm EDT.
Note: 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 lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

In March, the average sunshine is 5.9h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In March, the average maximum UV index of 2 translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in March?

In South Duxbury, 42.1°F (5.6°C) is the average high-temperature and 33.1°F (0.6°C) is the average low-temperature during March.

What are the least humid months?

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

What is the average humidity in March?

In South Duxbury, the average relative humidity in March is 74%.

How much does it rain in March?

In South Duxbury, in March, during 8.7 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

How much does it snow in March?

In South Duxbury, in March, during 3.9 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What months are the ocean coldest?

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 is the ocean temperature in March?

In South Duxbury, the average seawater temperature in March is 38.8°F (3.8°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in March?

In South Duxbury, the average day length in March is 11h and 58min.

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:16 am and sunset at 5:33 pm EST. On the last day of the month, sunrise is at 6:25 am and sunset at 7:07 pm EDT.

When does Daylight Saving Time (DST) start in March?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March?

In South Duxbury, the average sunshine duration in March is 5.9h.

What are the months with the lowest UV index?

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

What is the UV index intensity in March?

The average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
South Duxbury, MA

Average temperature in March - South Duxbury, MA
  • Average high temperature in March: 42.1°F

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).

  • Average low temperature in March: 33.1°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 in March
South Duxbury, MA

Average pressure in March - South Duxbury, MA
  • Average pressure in March: 30.02"Hg

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 in March
South Duxbury, MA

Average wind speed in March - South Duxbury, MA
  • Average wind speed in March: 12.8mph

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 in March
South Duxbury, MA

Average humidity in March - South Duxbury, MA
  • Average humidity in March: 74%

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 in March
South Duxbury, MA

Average rainfall in March - South Duxbury, MA
  • Average rainfall in March: 1.02"

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 in March
South Duxbury, MA

Average rainfall days in March - South Duxbury, MA
  • Average rainfall days in March: 8.7 days

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 in March
South Duxbury, MA

Average snowfall in March - South Duxbury, MA
  • Average snowfall in March: 0.91"

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 in March
South Duxbury, MA

Average snowfall days in March - South Duxbury, MA
  • Average snowfall days in March: 3.9 days

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 in March
South Duxbury, MA

Average sea temperature in March - South Duxbury, MA
  • Average sea temperature in March: 38.8°F

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 in March /
Average sunshine in March
South Duxbury, MA

Average daylight in March / Average sunshine in March - South Duxbury, MA
  • Average daylight in March: 12h and 0min

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).

  • Average sunshine in March: 5h and 5min

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 in March
South Duxbury, MA

Average sunshine days in March - South Duxbury, MA
  • Average sunshine days in March: 17.1 days

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 in March
South Duxbury, MA

Average UV index in March - South Duxbury, MA
  • Average UV index in March: 2

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 cloud cover in March
South Duxbury, MA

Average cloud cover in March - South Duxbury, MA
  • Average cloud cover in March: 50

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in March
South Duxbury, MA

Average visibility in March - South Duxbury, MA
  • Average visibility in March: 6mi

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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