March weather forecast
Lexington, MA

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Weather in March

March, the first month of the spring in Lexington, is a chilly month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 43°F (6.1°C).

Temperature

The shift into March brings a slight increase in the average high-temperature, moving from a cold 35.8°F (2.1°C) in February to a frosty 43°F (6.1°C). In Lexington, March is marked by an average low-temperature of 29.1°F (-1.6°C).

Humidity

In March, the average relative humidity is 75%.

Rainfall

In Lexington, in March, during 10.9 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Lexington, during the entire year, the rain falls for 143.4 days and collects up to 27.52" (699mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In March, in Lexington, it is snowing for 7.3 days. Throughout March, 4.13" (105mm) of snow is accumulated. In Lexington, during the entire year, snow falls for 31.2 days and aggregates up to 19.88" (505mm) of snow.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of March, sunrise is at 6:18 am and sunset at 5:35 pm EST. On the last day of the month, sunrise is at 6:27 am and sunset at 7:10 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 Lexington, the average sunshine in March is 5.7h.

UV index

In March, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 2 in March transforms into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Lexington in March?

Lexington in March has an average high-temperature of 43°F (6.1°C) and an average low-temperature of 29.1°F (-1.6°C).

What is the average humidity in March?

The average relative humidity in March in Lexington, Massachusetts, is 75%.

How many days does it rain in March?

In Lexington, in March, during 10.9 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

How much does it snow in March?

In Lexington, during March, snow falls for 7.3 days and regularly aggregates up to 4.13" (105mm) of snow.

How many hours of daylight does Lexington have in March?

In March, the average day length 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 5:35 pm EST. On the last day of the month, sunrise is at 6:27 am and sunset at 7:10 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 5.7h.

What is the UV index intensity in March in Lexington?

In Lexington, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Lexington, MA

Average temperature in March - Lexington, MA
  • Average high temperature in March: 43°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in March: 29.1°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in March
Lexington, MA

Average pressure in March - Lexington, MA
  • Average pressure in March: 30.03"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in March
Lexington, MA

Average wind speed in March - Lexington, MA
  • Average wind speed in March: 8.6mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in March
Lexington, MA

Average humidity in March - Lexington, MA
  • Average humidity in March: 75%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

Average rainfall in March
Lexington, MA

Average rainfall in March - Lexington, MA
  • Average rainfall in March: 2.68"

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in March
Lexington, MA

Average rainfall days in March - Lexington, MA
  • Average rainfall days in March: 10.9 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in March
Lexington, MA

Average snowfall in March - Lexington, MA
  • Average snowfall in March: 4.13"

The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Lexington, MA

Average snowfall days in March - Lexington, MA
  • Average snowfall days in March: 7.3 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 36min).

Average sunshine days in March
Lexington, MA

Average sunshine days in March - Lexington, MA
  • Average sunshine days in March: 15.2 days

The months with the most sunshine days are January and November (17.5 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in March
Lexington, MA

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in March
Lexington, MA

Average cloud cover in March - Lexington, 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 33).

Average visibility in March
Lexington, MA

Average visibility in March - Lexington, MA
  • Average visibility in March: 6mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).

Lexington, Massachusetts, USA

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