March weather forecastSetauket- East Setauket, NY
March
Weather in March
Ocean temperature
In March, the average ocean temperature in Setauket- East Setauket, New York, is 40.5°F (4.7°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
In Setauket- East Setauket, the average length of the day in March is 11h and 58min.On the first day of March, sunrise is at 6:25 am and sunset at 5:43 pm EST. On the last day of the month, 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.
Updated: Jul 5, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Setauket- East Setauket, in March, the average water temperature is 40.5°F (4.7°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.
In Setauket- East Setauket, the average day length in March is 11h and 58min.
On the first day of March, sunrise is at 6:25 am and sunset at 5:43 pm EST. On the last day of the month, sunrise is at 6:36 am and sunset at 7:16 pm EDT.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.
Average sea temperature in March
Setauket- East Setauket, 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
Setauket- East Setauket, 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).





