March weather forecast
Provincetown, MA

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Residential homes along the scenic shores of Provincetown in Cape Cod, Massachusetts
Residential homes along the scenic shores of Provincetown in Cape Cod, Massachusetts

Weather in March

In March, Provincetown, Massachusetts starts to witness a change in the weather as winter gradually gives way to spring. With temperatures rising to an average high of 40.6°F (4.8°C), the weather remains cold while becoming slightly more bearable. The rainfall this month increases from February levels, creating damp conditions. Compared to February, wind speeds become slightly calmer while daylight hours increase, hinting at the coming spring. The sea, however, remains quite cold, hindering any swimming plans.

Temperature

The initiation of March records an average high-temperature of a still cold 40.6°F (4.8°C), displaying a near consistency with the previous month. Provincetown's average temperature during the nights of March is recorded at a still cold 34.3°F (1.3°C).

Humidity

In March, the average relative humidity is 76%.

Rainfall

In Provincetown, in March, it is raining for 11.5 days, with typically 2.91" (74mm) of accumulated precipitation. In Provincetown, during the entire year, the rain falls for 157.1 days and collects up to 32.17" (817mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Provincetown. In Provincetown, Massachusetts, during March, snow falls for 4.1 days and regularly aggregates up to 1.3" (33mm) of snow. Throughout the year, in Provincetown, there are 20.3 snowfall days, and 5.39" (137mm) of snow is accumulated.

Ocean temperature

The months with the coldest seawater in Provincetown are February and March, with an average ocean temperature of 39°F (3.9°C).
Note: In the scenario of swimming, this is assessed as life-threatening and highly risky. The chilling water causes severe discomfort and induces instant hyperventilation. A specialized swimsuit is necessary to counter thermal damage.

Daylight

In Provincetown, Massachusetts, the average length of the day in March is 11h and 58min.
On the first day of March in Provincetown, sunrise is at 6:14 am and sunset at 5:31 pm EST. On the last day of the month, sunrise is at 6:23 am and sunset at 7:05 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 Provincetown, the average sunshine in March is 5.7h.

UV index

The months with the lowest UV index in Provincetown are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 in March translates into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

How cold is it in Provincetown in March?

In Provincetown, 40.6°F (4.8°C) is the average high-temperature and 34.3°F (1.3°C) is the average low-temperature during March.

What is the average humidity in March in Provincetown?

In March, the average relative humidity in Provincetown, Massachusetts, is 76%.

How much does it rain in Provincetown in March?

In Provincetown, Massachusetts, during March, the rain falls for 11.5 days and regularly aggregates up to 2.91" (74mm) of precipitation.

How many days does it snow in March in Provincetown?

In Provincetown, in March, snow falls for 4.1 days, with typically accumulated 1.3" (33mm) of snow.

What are the months with the coldest ocean in Provincetown?

The months with the coldest seawater in Provincetown, Massachusetts, are February and March, with an average ocean temperature of 39°F (3.9°C).

How cold is the water in March in Provincetown?

In Provincetown, Massachusetts, the average seawater temperature in March is 39°F (3.9°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Provincetown have in March?

The average day length in March in Provincetown, Massachusetts, is 11h and 58min.

What time are sunrise and sunset in March in Provincetown?

In March, on the first day of the month, sunrise is at 6:14 am and sunset at 5:31 pm EST. On the last day of the month, sunrise is at 6:23 am and sunset at 7:05 pm EDT.

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

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

How many hours of sunshine does Provincetown have in March?

In Provincetown, the average sunshine duration in March is 5.7h.

When is the lowest UV index in Provincetown?

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

How high is the UV index in March in Provincetown?

The average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to 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
Provincetown, MA

Average temperature in March - Provincetown, MA
  • Average high temperature in March: 40.6°F

The warmest month (with the highest average high temperature) is August (71.8°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in March: 34.3°F

The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in March
Provincetown, MA

Average pressure in March - Provincetown, 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).

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Average wind speed in March
Provincetown, MA

Average wind speed in March - Provincetown, MA
  • Average wind speed in March: 16.8mph

The windiest month (with the highest average wind speed) is January (17.8mph).
The calmest month (with the lowest average wind speed) is August (10.9mph).

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Average humidity in March
Provincetown, MA

Average humidity in March - Provincetown, MA
  • Average humidity in March: 76%

The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in March
Provincetown, MA

Average rainfall in March - Provincetown, MA
  • Average rainfall in March: 2.91"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in March
Provincetown, MA

Average rainfall days in March - Provincetown, MA
  • Average rainfall days in March: 11.5 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (8.6 days).

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Average snowfall in March
Provincetown, MA

Average snowfall in March - Provincetown, MA
  • Average snowfall in March: 1.3"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in March
Provincetown, MA

Average snowfall days in March - Provincetown, MA
  • Average snowfall days in March: 4.1 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in March
Provincetown, MA

Average sea temperature in March - Provincetown, MA
  • Average sea temperature in March: 39°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 (39°F).

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

Average daylight in March / Average sunshine in March - Provincetown, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

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Average sunshine days in March
Provincetown, MA

Average sunshine days in March - Provincetown, MA
  • Average sunshine days in March: 15.3 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is July (12.6 days).

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Average UV index in March
Provincetown, MA

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

The month with the highest UV index is July (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 cloud cover in March
Provincetown, MA

Average cloud cover in March - Provincetown, MA
  • Average cloud cover in March: 51

The month with the most cloud cover is December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in March
Provincetown, MA

Average visibility in March - Provincetown, 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).

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Provincetown, Massachusetts, USA

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