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
With the arrival of March, Nantucket's average high-temperature registers at a still icy 41.9°F (5.5°C), indicating a subtle variation from the previous month. Nantucket records a mild decrease in temperature during the nights of March, averaging a still wintry 36.1°F (2.3°C).Humidity
In Nantucket, the average relative humidity in March is 76%.Rainfall
In Nantucket, during March, the rain falls for 13.2 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Nantucket, Massachusetts, during the entire year, the rain falls for 153 days and collects up to 26.61" (676mm) of precipitation.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 March, the average ocean temperature is 38.5°F (3.6°C).Note: During swimming activities, this situation is lethal and fraught with danger. The frigid water triggers acute discomfort and swift hyperventilation. A specialized swimsuit is necessary to reduce thermal harm.
Daylight
The average length of the day in March is 11h and 58min.On the first day of March in Nantucket, Massachusetts, 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
The average sunshine in March 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 in Nantucket. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 during March translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold does it get in Nantucket in March?
What is the average humidity in March in Nantucket?
How many days does it rain in March in Nantucket?
What is the last month it snows in Nantucket?
What is the ocean temperature in March in Nantucket?
What is the average length of the day in March in Nantucket?
What time are sunrise and sunset in March in Nantucket?
When does Daylight Saving Time (DST) start in March in Nantucket?
How long on average sun shines in March in Nantucket?
What is the month with the lowest UV index in Nantucket?
What is the UV index intensity in March in Nantucket?
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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