March weather forecastSouthwest Harbor, ME
March
Weather in March
The first month of the spring, March, is a wintry month in Southwest Harbor, Maine, with an average temperature varying between 25.9°F (-3.4°C) and 37.2°F (2.9°C).Temperature
The start of March brings a subtle shift in the average high-temperature, edging up from February's freezing cold 30.7°F (-0.7°C) to a cold 37.2°F (2.9°C). Nighttime temperatures in March average to a subzero cold 25.9°F (-3.4°C).Humidity
In March, the average relative humidity in Southwest Harbor is 80%.Rainfall
In Southwest Harbor, during March, the rain falls for 11.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Southwest Harbor, Maine, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Southwest Harbor, in March, snow falls for 9.4 days, with typically accumulated 4.13" (105mm) of snow. Throughout the year, there are 48.1 snowfall days, and 23.82" (605mm) of snow is accumulated.Daylight
The average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:09 am and sunset at 5:21 pm EST. On the last day of March, sunrise is at 6:14 am and sunset at 6:59 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 Southwest Harbor, the average sunshine in March is 5.2h.UV index
The months with the lowest UV index in Southwest Harbor, Maine, 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 unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in March interprets into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take precaution! The reflection from snow can almost 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
Southwest Harbor, ME
- Average high temperature in March: 37.2°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in March: 25.9°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in March
Southwest Harbor, ME
- Average pressure in March: 30"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in March
Southwest Harbor, ME
- Average wind speed in March: 10.3mph
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 (6.3mph).
Average humidity in March
Southwest Harbor, ME
- Average humidity in March: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in March
Southwest Harbor, ME
- Average rainfall in March: 2.44"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in March
Southwest Harbor, ME
- Average rainfall days in March: 11.3 days
The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in March
Southwest Harbor, ME
- Average snowfall in March: 4.13"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Southwest Harbor, ME
- Average snowfall days in March: 9.4 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Southwest Harbor, ME
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in March: 5h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in March
Southwest Harbor, ME
- Average sunshine days in March: 14.3 days
The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in March
Southwest Harbor, ME
- Average UV index in March: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in March
Southwest Harbor, ME
- Average cloud cover in March: 54
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in March
Southwest Harbor, ME
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
