March weather forecastCharlestown, MA
March
Weather in March
The first month of the spring, March, is a chilly month in Charlestown, Massachusetts, with an average temperature fluctuating between 43.3°F (6.3°C) and 30.6°F (-0.8°C).Temperature
Charlestown's weather shows a minor temperature rise with the arrival of March, moving from an icy 36.5°F (2.5°C) in February to a frosty 43.3°F (6.3°C). An average low-temperature of 30.6°F (-0.8°C) is common during the nights of March.Humidity
The average relative humidity in March in Charlestown is 74%.Rainfall
In Charlestown, in March, during 4.8 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 47.8 rainfall days, and 4.13" (105mm) of precipitation is accumulated.Snowfall
Months with snowfall in Charlestown are January through May, November and December. In Charlestown, during March, snow falls for 2.7 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 13.2 snowfall days, and 2.17" (55mm) 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 6:18 am and sunset at 5:34 pm EST. On the last day of the month, sunrise is at 6:26 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
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 health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in March translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Charlestown, 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 (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in March
Charlestown, 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
Charlestown, MA
- Average wind speed in March: 9.1mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in March
Charlestown, MA
- Average humidity in March: 74%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall in March
Charlestown, MA
- Average rainfall in March: 0.35"
The wettest month (with the highest rainfall) is November (0.55").
The driest month (with the least rainfall) is September (0.12").
Average rainfall days in March
Charlestown, MA
- Average rainfall days in March: 4.8 days
The month with the highest number of rainy days is April (5.9 days).
The months with the least rainy days are January and September (2.9 days).
Average snowfall in March
Charlestown, MA
- Average snowfall in March: 0.59"
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
Charlestown, MA
- Average snowfall days in March: 2.7 days
The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Charlestown, 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 48min
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
Charlestown, MA
- Average sunshine days in March: 25 days
The month with the most sunshine days is December (25.5 days).
The month with the least sunshine days is July (22.8 days).
Average UV index in March
Charlestown, 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
Charlestown, 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
Charlestown, 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).





