Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
The shift from February to March is marked by a slight increase in the average high-temperature, moving from 35.1°F (1.7°C) to a still icy 42.4°F (5.8°C). March brings Chelmsford a consistent average low-temperature of 28.8°F (-1.8°C).Humidity
The average relative humidity in March in Chelmsford is 76%.Rainfall
In Chelmsford, in March, it is raining for 11.5 days, with typically 2.56" (65mm) of accumulated precipitation. In Chelmsford, Massachusetts, during the entire year, the rain falls for 145.9 days and collects up to 27.48" (698mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Chelmsford, Massachusetts. In Chelmsford, during March, snow falls for 7.3 days and regularly aggregates up to 4.45" (113mm) of snow. Throughout the year, there are 32.6 snowfall days, and 21.61" (549mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 58min.On the first day of March, sunrise is at 6:19 am and sunset at 5:35 pm EST. On the last day of the month, sunrise is at 6:28 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 March, the average sunshine 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 2 during March translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during March?
What is the average humidity in March?
How much does it rain in March?
How many days does it snow in March?
How many hours of daylight does Chelmsford have in March?
When are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March?
What are the months with the lowest UV index?
How high is the UV index in March?
Average temperature in March
Chelmsford, MA
- Average high temperature in March: 42.4°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in March: 28.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in March
Chelmsford, 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
Chelmsford, MA
- Average wind speed in March: 8.4mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in March
Chelmsford, MA
- Average humidity in March: 76%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (70%).
Average rainfall in March
Chelmsford, MA
- Average rainfall in March: 2.56"
The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in March
Chelmsford, MA
- Average rainfall days in March: 11.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in March
Chelmsford, MA
- Average snowfall in March: 4.45"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Chelmsford, MA
- Average snowfall days in March: 7.3 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Chelmsford, MA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in March
Chelmsford, MA
- Average sunshine days in March: 15 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in March
Chelmsford, 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
Chelmsford, MA
- Average cloud cover in March: 49
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in March
Chelmsford, 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).
Chelmsford, Massachusetts, USA
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