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

Provincetown experiences a subtle adjustment in high-temperatures to a still icy 40.6°F (4.8°C) with the onset of March, maintaining near parity with February's 37.9°F (3.3°C). A minimal decline in temperature from daytime highs is anticipated throughout the March nights, averaging a still cold 34.3°F (1.3°C).

Humidity

The average relative humidity in March is 76%.

Rainfall

In March, the rain falls for 11.5 days. Throughout March, 2.91" (74mm) of precipitation is accumulated. 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 March, snow falls for 4.1 days, with typically accumulated 1.3" (33mm) of snow. In Provincetown, during the entire year, snow falls for 20.3 days and aggregates up to 5.39" (137mm) of snow.

Ocean temperature

The months with the coldest seawater are February and March, with an average ocean temperature of 39°F (3.9°C).
Note: In the activity of swimming, this state poses an instant danger to life. Breathing control is completely lost, impeding any form of clear thinking. Employing a specialized swimsuit is crucial to minimize thermal loss.

Daylight

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

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 hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In March, a daily UV index of 2 turns into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in March?

The average high-temperature and low-temperature during March are 40.6°F (4.8°C) and 34.3°F (1.3°C) respectively.

What is the average humidity in March?

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

How many days does it rain in March?

In Provincetown, in March, during 11.5 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

How much does it snow in March?

In March, it is snowing for 4.1 days. Throughout March, 1.3" (33mm) of snow is accumulated.

What are the months with the coldest ocean?

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

What is the water temperature in March?

In Provincetown, the average seawater temperature in March is 39°F (3.9°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 Provincetown, the average day length in March is 11h and 58min.

When 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?

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 Provincetown?

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

When is 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 March, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat from 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

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).

Provincetown, Massachusetts, USA

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