March weather forecast
Plymouth, MA

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The white colonial houses in Plymouth, Massachusetts, with the US flag flying
The white colonial houses in Plymouth, Massachusetts, with the US flag flying

Weather in March

Come March, Plymouth, Massachusetts, leaves behind the harsh winter, gearing towards the warmer breeze of spring. March's weather has its unique signatures, distinguished by melting snow and the rise in temperature, rendering the winter a beautiful farewell. This month sees the most significant leap in temperature range, soaring from 27°F (-2.8°C) to 32.9°F (0.5°C) and from 37.9°F (3.3°C) to 42.4°F (5.8°C), ensuring a definite break from the winter chill. March marks the transition into spring, whispering goodbyes to icicles and frozen lakes as locals relish the warmer winds and brighter days. Therefore, Plymouth's March weather forms the bridge between the city’s enchanting winter and its welcoming spring.

Temperature

The transition into March notes an average high-temperature of a still icy 42.4°F (5.8°C), revealing a mild distinction from the 37.9°F (3.3°C) in February. Plymouth's average low-temperature in the month of March is recorded at a still cold 32.9°F (0.5°C).

Humidity

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

Rainfall

In Plymouth, in March, during 10.2 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Plymouth, during the entire year, the rain falls for 132.2 days and collects up to 16.3" (414mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. The month with the most snowfall is March, when snow falls for 4.9 days and typically aggregates up to 1.77" (45mm) of snow.

Ocean temperature

In March, the average ocean temperature is 38.7°F (3.7°C).
Note: In swimming, this condition is considered life-threatening and perilous. The painful sensation of cold water leads to immediate hyperventilation. Utilizing a specialized swimsuit is critical to reduce thermal injury.

Daylight

In March, the average length of the day is 11h and 58min.
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 March, 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

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 2 in March converts into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.

Frequently asked questions

How cold does it get in March?

The high-temperature, in March, in Plymouth, records 42.4°F (5.8°C), while the low-temperature is 32.9°F (0.5°C).

What are the least humid months in Plymouth?

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

What is the average humidity in March?

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

How many days does it rain in March?

In Plymouth, Massachusetts, in March, it is raining for 10.2 days, with typically 1.34" (34mm) of accumulated precipitation.

What is the snowiest month?

March is the month with the most snowfall. Snow falls for 4.9 days and accumulates 1.77" (45mm) of snow.

How much does it snow in Plymouth in March?

In March, it is snowing for 4.9 days. Throughout March, 1.77" (45mm) of snow is accumulated.

What is the ocean temperature in March?

In March, the average ocean temperature in Plymouth is 38.7°F (3.7°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the average length of the day in March?

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

When are sunrise and sunset in March?

On the first day of March in Plymouth, Massachusetts, 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 March, the average sunshine duration is 5.9h.

What is the month with the lowest UV index?

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

How high is the UV index in March?

In Plymouth, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
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
Plymouth, MA

Average temperature in March - Plymouth, MA
  • Average high temperature in March: 42.4°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in March: 32.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in March
Plymouth, MA

Average pressure in March - Plymouth, 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
Plymouth, MA

Average wind speed in March - Plymouth, MA
  • Average wind speed in March: 12.1mph

The windiest month (with the highest average wind speed) is January (12.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in March
Plymouth, MA

Average humidity in March - Plymouth, MA
  • Average humidity in March: 74%

The month with the highest relative humidity is July (80%).
The months with the lowest relative humidity are March, April and November (74%).

Average rainfall in March
Plymouth, MA

Average rainfall in March - Plymouth, MA
  • Average rainfall in March: 1.34"

The wettest months (with the highest rainfall) are July and October (1.65").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in March
Plymouth, MA

Average rainfall days in March - Plymouth, MA
  • Average rainfall days in March: 10.2 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in March
Plymouth, MA

Average snowfall in March - Plymouth, MA
  • Average snowfall in March: 1.77"

The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
Plymouth, MA

Average snowfall days in March - Plymouth, MA
  • Average snowfall days in March: 4.9 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in March
Plymouth, MA

Average sea temperature in March - Plymouth, MA
  • Average sea temperature in March: 38.6°F

The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).

Average daylight in March /
Average sunshine in March
Plymouth, MA

Average daylight in March / Average sunshine in March - Plymouth, 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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

Average sunshine days in March
Plymouth, MA

Average sunshine days in March - Plymouth, MA
  • Average sunshine days in March: 15.7 days

The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in March
Plymouth, MA

Average UV index in March - Plymouth, MA
  • Average UV index in March: 2

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).

Average cloud cover in March
Plymouth, MA

Average cloud cover in March - Plymouth, 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
Plymouth, MA

Average visibility in March - Plymouth, 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).

Plymouth, Massachusetts, USA

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