March weather forecastHewlett Harbor, NY
March
Weather in March
The first month of the spring, March, is a frosty month in Hewlett Harbor, New York, with an average temperature varying between 36°F (2.2°C) and 45.1°F (7.3°C).Temperature
Hewlett Harbor in March denotes a subtle temperature transition, adjusting from an average high of an icy 39.4°F (4.1°C) in February to a chilly 45.1°F (7.3°C). During the month of March, Hewlett Harbor experiences a steady low-temperature average of 36°F (2.2°C).Humidity
The average relative humidity in March in Hewlett Harbor is 73%.Rainfall
In Hewlett Harbor, during March, the rain falls for 10.1 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, in Hewlett Harbor, there are 135.3 rainfall days, and 18.62" (473mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, October through December. The month with the most snowfall is March, when snow falls for 3.3 days and typically aggregates up to 1.02" (26mm) of snow.Ocean temperature
In Hewlett Harbor, New York, the average seawater temperature in March is 40.6°F (4.8°C).Note: In connection with swimming, this state is severely cold, hazardous, and lethal. Without protective insulated waterproof garments, hypothermia sets in rapidly.
Daylight
The average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:27 am and sunset at 5:46 pm EST. On the last day of March, in Hewlett Harbor, sunrise is at 6:38 am and sunset at 7:18 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 Hewlett Harbor, New York, the average sunshine in March is 6.5h.UV index
The months with the lowest UV index in Hewlett Harbor are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 during March translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Hewlett Harbor, NY
- Average high temperature in March: 45.1°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in March: 36°F
The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in March
Hewlett Harbor, NY
- Average pressure in March: 30.05"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
Hewlett Harbor, NY
- Average wind speed in March: 11.7mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in March
Hewlett Harbor, NY
- Average humidity in March: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).
Average rainfall in March
Hewlett Harbor, NY
- Average rainfall in March: 1.3"
The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in March
Hewlett Harbor, NY
- Average rainfall days in March: 10.1 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in March
Hewlett Harbor, NY
- Average snowfall in March: 1.02"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in March
Hewlett Harbor, NY
- Average snowfall days in March: 3.3 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in March
Hewlett Harbor, NY
- Average sea temperature in March: 40.7°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in March /
Average sunshine in March
Hewlett Harbor, NY
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in March: 6h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in March
Hewlett Harbor, NY
- Average sunshine days in March: 17.6 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in March
Hewlett Harbor, 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
Hewlett Harbor, NY
- Average cloud cover in March: 46
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in March
Hewlett Harbor, 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).





