March weather forecast
Cambridge, MA

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The John Weeks Memorial Footbridge in Cambridge, Massachusetts, over the Charles River calm waters, and a distant view of the Havard University student residence unit
The John Weeks Memorial Footbridge in Cambridge, Massachusetts, over the Charles River calm waters, and a distant view of the Havard University student residence unit

Weather in March

By the time March arrives in Cambridge, Massachusetts, the hard-hitting winter begins to loosen its hold. Warmth starts returning to the weather patterns, signaling the beginning of the thaw. Patches of snow start melting, and the familiar chirping of birds signifies the arrival of spring. Notably, the temperature scale swings between 30.6°F (-0.8°C) and 43.3°F (6.3°C). The softening landscape and slowly increasing warmth make for pleasant strolls in the local parks.

Temperature

Entering March, Cambridge notices a subtle temperature elevation, with the average high-temperature advancing from February's icy 36.5°F (2.5°C) to a chilly 43.3°F (6.3°C). The temperature lowers to an average of 30.6°F (-0.8°C) during March nights.

Humidity

The average relative humidity in March is 74%.

Rainfall

In March, in Cambridge, Massachusetts, the rain falls for 6.8 days. Throughout March, 0.43" (11mm) of precipitation is accumulated. In Cambridge, during the entire year, the rain falls for 81.8 days and collects up to 5.51" (140mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In March, it is snowing for 3.8 days. Throughout March, 0.63" (16mm) of snow is accumulated. In Cambridge, during the entire year, snow falls for 16.8 days and aggregates up to 2.4" (61mm) of snow.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:18 am and sunset at 5:34 pm EST. On the last day of the month, sunrise is at 6:27 am and sunset at 7:09 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 Cambridge, Massachusetts, the average sunshine in March is 5.8h.

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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 2 in March leads to these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is March?

March temperatures in Cambridge, Massachusetts, vary between a high-temperature of 43.3°F (6.3°C) and a low-temperature of 30.6°F (-0.8°C).

What is the average humidity in March?

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

How many days does it rain in March?

In Cambridge, during March, the rain falls for 6.8 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How much does it snow in March?

In Cambridge, in March, snow falls for 3.8 days, with typically accumulated 0.63" (16mm) of snow.

What is the average length of the day in March?

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

When are sunrise and sunset in March?

On the first day of March, sunrise is at 6:18 am and sunset at 5:34 pm EST. On the last day of the month, sunrise is at 6:27 am and sunset at 7:09 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 Cambridge, the average sunshine duration in March is 5.8h.

When is 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.

How high is the UV index in March?

In March, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Cambridge, MA

Average temperature in March - Cambridge, MA
  • Average high temperature in March: 43.3°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in March: 30.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in March
Cambridge, MA

Average pressure in March - Cambridge, MA
  • Average pressure in March: 30.03"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
Cambridge, MA

Average wind speed in March - Cambridge, MA
  • Average wind speed in March: 9.1mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in March
Cambridge, MA

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

The months with the highest relative humidity are January and February (77%).
The month with the lowest relative humidity is April (69%).

Average rainfall in March
Cambridge, MA

Average rainfall in March - Cambridge, MA
  • Average rainfall in March: 0.43"

The wettest month (with the highest rainfall) is November (0.63").
The driest month (with the least rainfall) is September (0.2").

Average rainfall days in March
Cambridge, MA

Average rainfall days in March - Cambridge, MA
  • Average rainfall days in March: 6.8 days

The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in March
Cambridge, MA

Average snowfall in March - Cambridge, MA
  • Average snowfall in March: 0.63"

The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in March
Cambridge, MA

Average snowfall days in March - Cambridge, MA
  • Average snowfall days in March: 3.8 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in March / Average sunshine in March - Cambridge, 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 6min).

  • Average sunshine in March: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in March
Cambridge, MA

Average sunshine days in March - Cambridge, MA
  • Average sunshine days in March: 20.6 days

The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is June (17.4 days).

Average UV index in March
Cambridge, MA

Average UV index in March - Cambridge, 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
Cambridge, MA

Average cloud cover in March - Cambridge, 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 32).

Average visibility in March
Cambridge, MA

Average visibility in March - Cambridge, 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).

Cambridge, Massachusetts, USA

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