March weather forecastChelsea, MA
March
Weather in March
March, the first month of the spring in Chelsea, is a chilly month, with an average temperature fluctuating between 30.9°F (-0.6°C) and 43.5°F (6.4°C).Temperature
With the onset of March, Chelsea experiences a subtle temperature shift, with the average high-temperature moving from a cold 36.5°F (2.5°C) in February to a chilly 43.5°F (6.4°C). During March, Chelsea's temperature averages to a freezing cold 30.9°F (-0.6°C) at night.Humidity
In Chelsea, the average relative humidity in March is 73%.Rainfall
The months with the most rainfall in Chelsea are March, April and December, with an average 2.91" (74mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Chelsea, during March, snow falls for 6.8 days and regularly aggregates up to 3.86" (98mm) of snow. In Chelsea, during the entire year, snow falls for 29.8 days and aggregates up to 15.75" (400mm) of snow.Ocean temperature
In Chelsea, in March, the average water temperature is 38.3°F (3.5°C).Note: In the sport of swimming, this scenario is extremely cold, treacherous, and fatal. If not protected by insulated waterproof clothing, hypothermia ensues quickly.
Daylight
In Chelsea, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:18 am and sunset at 5:34 pm EST. On the last day of March, 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
In March, the average sunshine is 5.6h.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 unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in March translates into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Chelsea, MA
- Average high temperature in March: 43.5°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in March: 30.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in March
Chelsea, 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
Chelsea, MA
- Average wind speed in March: 9.4mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in March
Chelsea, MA
- Average humidity in March: 73%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (69%).
Average rainfall in March
Chelsea, MA
- Average rainfall in March: 2.91"
The wettest months (with the highest rainfall) are March, April and December (2.91").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in March
Chelsea, MA
- Average rainfall days in March: 11.6 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in March
Chelsea, MA
- Average snowfall in March: 3.86"
The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Chelsea, MA
- Average snowfall days in March: 6.8 days
The months with the highest number of snowfall days are January and February (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in March
Chelsea, MA
- Average sea temperature in March: 38.4°F
The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).
Average daylight in March /
Average sunshine in March
Chelsea, 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 36min
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
Chelsea, MA
- Average sunshine days in March: 14.8 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (13 days).
Average UV index in March
Chelsea, 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
Chelsea, MA
- Average cloud cover in March: 51
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in March
Chelsea, 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).
