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 sea temperature 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
As February transitions into March, the average high-temperature rests at a still wintry 41.9°F (5.5°C), maintaining a close resemblance to the previous month. Consistently, Nantucket reports average nighttime temperatures of 36.1°F (2.3°C) during March, a marginal step down from its daytime highs.Humidity
The average relative humidity in March is 76%.Rainfall
In Nantucket, in March, during 13.2 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 153 rainfall days, and 26.61" (676mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. March is the last month it regularly snows. During 3.3 snowfall days, in March, Nantucket aggregates 0.91" (23mm) of snow. In Nantucket, during the entire year, snow falls for 17.1 days and aggregates up to 3.23" (82mm) of snow.Ocean temperature
In Nantucket, in March, the average water temperature is 38.5°F (3.6°C).Note: Within the context of swimming, this state is extremely cold, dangerous, and can result in death. Hypothermia happens quickly in the absence of protective insulated waterproof clothing.
Daylight
In March, the average length of the day is 11h and 58min.On the first day of March, sunrise is at 6:13 am and sunset at 5:31 pm EST. On the last day of the month, sunrise is at 6:23 am and sunset at 7:04 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 5.9h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 during March translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in March?
What is the average humidity in March?
How many days does it rain in March?
What is the last month it snows?
How cold is the water in March?
What is the average length of the day in March?
When is the sunrise / sunset in March?
When does Daylight Saving Time (DST) start in March?
How many hours of sunshine does Nantucket have in March?
What is the month with the lowest UV index?
What is the UV index reading in March?
Average temperature in March
Nantucket, MA
- Average high temperature in March: 41.9°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is February (39.7°F).
- Average low temperature in March: 36.1°F
The month with the highest average low temperature is August (68.7°F).
The coldest month (with the lowest average low temperature) is February (32.5°F).
Average pressure in March
Nantucket, MA
- Average pressure in March: 30.02"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in March
Nantucket, MA
- Average wind speed in March: 18.2mph
The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest month (with the lowest average wind speed) is August (11.8mph).
Average humidity in March
Nantucket, MA
- Average humidity in March: 76%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January, November and December (75%).
Average rainfall in March
Nantucket, MA
- Average rainfall in March: 2.4"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in March
Nantucket, MA
- Average rainfall days in March: 13.2 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in March
Nantucket, MA
- Average snowfall in March: 0.91"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in March
Nantucket, MA
- Average snowfall days in March: 3.3 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in March
Nantucket, MA
- Average sea temperature in March: 38.6°F
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).
Average daylight in March /
Average sunshine in March
Nantucket, MA
- 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: 5h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in March
Nantucket, MA
- Average sunshine days in March: 13 days
The month with the most sunshine days is August (16.5 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in March
Nantucket, MA
- Average UV index in March: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in March
Nantucket, MA
- Average cloud cover in March: 50
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in March
Nantucket, 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).
Nantucket, Massachusetts, USA
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