March weather forecastNew Haven, CT
March
Weather in March
As New Haven moves into March, the weather shows signs of gradual warming. Compared to the prior month, March is warmer with an appreciable increase in daylight hours, indicating towards the approach of spring season. Scarce snowfalls are replaced by rainfall as the primary form of precipitation, making the city gleam anew. March is known for its calmness before the energizing bustle of spring. The seawater temperature also rises marginally, signaling the marine life of the coming season change.Temperature
March's arrival in New Haven is noted with a slight increase in the average high-temperature, moving from a wintry 37.9°F (3.3°C) in February to a frosty 43.9°F (6.6°C). During the nights in March, New Haven experiences a consistent average temperature of 33.1°F (0.6°C).Humidity
The average relative humidity in March is 73%.Rainfall
In March, in New Haven, the rain falls for 12.6 days. Throughout March, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 167.2 rainfall days, and 35.71" (907mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. March is the month with the most snowfall. Snow falls for 4.8 days and accumulates 2.8" (71mm) of snow.Ocean temperature
In New Haven, Connecticut, the average seawater temperature in March is 39.7°F (4.3°C).Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
Daylight
In New Haven, the average length of the day in March is 11h and 58min.On the first day of March in New Haven, sunrise is at 6:24 am and sunset at 5:42 pm EST. On the last day of the month, sunrise is at 6:35 am and sunset at 7:16 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 in New Haven is 6.4h.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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In March, the UV index of 2 transforms into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. When the Sun is at its strongest around midday, find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
New Haven, CT
- Average high temperature in March: 43.9°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in March: 33.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in March
New Haven, CT
- Average pressure in March: 30.04"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
New Haven, CT
- Average wind speed in March: 10.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in March
New Haven, CT
- Average humidity in March: 73%
The months with the highest relative humidity are February, May and June (76%).
The months with the lowest relative humidity are April and November (72%).
Average rainfall in March
New Haven, CT
- Average rainfall in March: 2.8"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in March
New Haven, CT
- Average rainfall days in March: 12.6 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in March
New Haven, CT
- Average snowfall in March: 2.8"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
New Haven, CT
- Average snowfall days in March: 4.8 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in March
New Haven, CT
- Average sea temperature in March: 39.7°F
The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (38.5°F).
Average daylight in March /
Average sunshine in March
New Haven, CT
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in March: 6h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in March
New Haven, CT
- Average sunshine days in March: 13.5 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in March
New Haven, CT
- 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
New Haven, CT
- Average cloud cover in March: 47
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in March
New Haven, CT
- 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).
