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
The arrival of March is marked by an average high-temperature of a frosty 43.9°F (6.6°C), bearing a close resemblance to February. Stony Brook documents a consistent average low-temperature of 36°F (2.2°C) at night during March.Humidity
In March, the average relative humidity is 72%.Rainfall
In March, the rain falls for 10.5 days. Throughout March, 2.6" (66mm) of precipitation is accumulated. In Stony Brook, during the entire year, the rain falls for 146.8 days and collects up to 33.78" (858mm) of precipitation.Snowfall
January through March, October through December are months with snowfall. March is the month with the most snowfall. Snow falls for 2.3 days and accumulates 2.13" (54mm) of snow.Ocean temperature
In March, the average ocean temperature is 40.5°F (4.7°C).Note: In swimming situations, the extreme cold and danger can lead to fatality. Without the protection of insulated waterproof gear, hypothermia takes effect quickly.
Daylight
The average length of the day in March in Stony Brook is 11h and 58min.On the first day of the month, sunrise is at 6:25 am and sunset at 5:44 pm EST. On the last day of March, sunrise is at 6:36 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
The average sunshine in March is 6.3h.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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in March converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during March?
What is the average humidity in March?
How many days does it rain in March?
When does it snow the most?
What is the last month it snows?
How cold is the water in March in Stony Brook?
How many hours of daylight does Stony Brook have in March?
What time are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How many hours of sunshine does Stony Brook have in March?
What are the months with the lowest UV index in Stony Brook?
How high is the UV index in March?
Average temperature in March
Stony Brook, NY
- Average high temperature in March: 43.9°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in March: 36°F
The months with the highest average low temperature are July and August (71.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in March
Stony Brook, NY
- Average pressure in March: 30.05"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
Stony Brook, NY
- Average wind speed in March: 12.2mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in March
Stony Brook, NY
- Average humidity in March: 72%
The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in March
Stony Brook, NY
- Average rainfall in March: 2.6"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in March
Stony Brook, NY
- Average rainfall days in March: 10.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in March
Stony Brook, NY
- Average snowfall in March: 2.13"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in March
Stony Brook, NY
- Average snowfall days in March: 2.3 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in March
Stony Brook, NY
- Average sea temperature in March: 40.4°F
The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in March /
Average sunshine in March
Stony Brook, NY
- 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 2min
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
Stony Brook, NY
- Average sunshine days in March: 17.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (13 days).
Average UV index in March
Stony Brook, NY
- 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
Stony Brook, NY
- Average cloud cover in March: 47
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in March
Stony Brook, NY
- 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).
Stony Brook, New York, USA
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