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 Onset welcomes March, the average high-temperature records at a still icy 42.3°F (5.7°C), marking an insignificant deviation from the prior month. Onset observes a slightly reduced average nighttime temperature of 33.8°F (1°C) during March.Humidity
The months with the lowest humidity are March and November, with an average relative humidity of 74%.Rainfall
In Onset, during March, the rain falls for 11.8 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Onset, during the entire year, the rain falls for 157.4 days and collects up to 32.2" (818mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The months with the most snowfall are February and March, with an average 2.28" (58mm) of accumulated snow.Ocean temperature
In March, the average ocean temperature is 38.7°F (3.7°C).Note: When swimming, this state is excessively cold, posing a lethal risk. Absent the protection of insulated waterproof wear, hypothermia is likely to occur immediately.
Daylight
In Onset, Massachusetts, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:16 am and sunset at 5:33 pm EST. On the last day of March, sunrise is at 6:25 am and sunset at 7:07 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 Onset, the average sunshine in March is 6h.UV index
January through March, November 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 health risk from exposure to the Sun's UV radiation for average individuals.Note: In March, a daily UV index of 2 turns into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Onset in March?
What are the least humid months?
What is the average humidity in March?
How many days does it rain in March?
What is the snowiest month?
How much does it snow in March?
What is the water temperature 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 long on average sun shines in March?
When is the lowest UV index?
How high is the UV index in March?
Average temperature in March
Onset, MA
- Average high temperature in March: 42.3°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in March: 33.8°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in March
Onset, 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 (29.93"Hg).
Average wind speed in March
Onset, MA
- Average wind speed in March: 13.3mph
The windiest month (with the highest average wind speed) is January (13.7mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in March
Onset, MA
- Average humidity in March: 74%
The months with the highest relative humidity are June and July (81%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in March
Onset, MA
- Average rainfall in March: 3.03"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in March
Onset, MA
- Average rainfall days in March: 11.8 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (9 days).
Average snowfall in March
Onset, MA
- Average snowfall in March: 2.28"
The months with the highest snowfall are February and March (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Onset, MA
- Average snowfall days in March: 4.8 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in March
Onset, MA
- Average sea temperature in March: 38.6°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight in March /
Average sunshine in March
Onset, 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 12min).
- Average sunshine in March: 6h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in March
Onset, MA
- Average sunshine days in March: 13.8 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in March
Onset, 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, November and December (UV index 2).
Average cloud cover in March
Onset, MA
- Average cloud cover in March: 49
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in March
Onset, 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).
Onset, Massachusetts, USA
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