Weather in January
In Setauket- East Setauket, New York, in January, the average water temperature is 42.3°F (5.7°C). Note: Swimming in 42.3°F (5.7°C) at temperatures under 50°F (10°C) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Weather in January »
Weather in February
With an average ocean temperature of 39.7°F (4.3°C), February is the month with the coldest seawater in Setauket- East Setauket, New York. Note: During swimming, this circumstance is both life-threatening and incredibly perilous. Weather in February »
Weather in March
In Setauket- East Setauket, New York, the average seawater temperature in March is 40.5°F (4.7°C). Note: While participating in swimming, this is a serious life-threatening situation. Weather in March »
Weather in April
In Setauket- East Setauket, New York, the average seawater temperature in April is 45.3°F (7.4°C). Note: Danger awaits those who swim in 45.3°F (7.4°C) without protection. Weather in April »
Weather in May
In Setauket- East Setauket, New York, the average seawater temperature in May is 53.4°F (11.9°C). Note: Taking a dip in 53.4°F (11.9°C) can be perilous. Weather in May »
Weather in June
In Setauket- East Setauket, New York, in June, the average water temperature is 64.6°F (18.1°C). Note: For swimming, a surface water temperature of 64.6°F (18.1°C) is not enjoyable for the majority. Weather in June »
Weather in July
In Setauket- East Setauket, New York, the average seawater temperature in July is 72.1°F (22.3°C). Note: People sensitive to cold might find swimming in 72.1°F (22.3°C) challenging. Weather in July »
Weather in August
August is the month with the warmest seawater in Setauket- East Setauket, New York, with an average ocean temperature of 73.9°F (23.3°C). Note: Swimming in 73.9°F (23.3°C) water can be enjoyable based on one's cold tolerance and conditions like sunshine, wind, and ambient temperature. Weather in August »
Weather in September
In September, the average ocean temperature in Setauket- East Setauket, New York, is 69.6°F (20.9°C). Note: Most people do not enjoy swimming in water of 69.6°F (20.9°C). Weather in September »
Weather in October
In Setauket- East Setauket, New York, in October, the average water temperature is 63.7°F (17.6°C). Note: For most, swimming in 63.7°F (17.6°C) is not a pleasant experience. Weather in October »
Weather in November
In November, the average ocean temperature in Setauket- East Setauket, New York, is 55.6°F (13.1°C). Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in November »
Weather in December
In Setauket- East Setauket, New York, the average seawater temperature in December is 48.9°F (9.4°C). Note: Immersing oneself in 48.9°F (9.4°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped. Weather in December »
[Resources]Frequently asked questions
What is the month with the coldest ocean in Setauket- East Setauket?
The month with the coldest seawater in Setauket- East Setauket, New York, is February, with an average ocean temperature of 39.7°F (4.3°C).
When is Daylight Saving Time (DST) in Setauket- East Setauket?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Setauket- East Setauket, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When are the longest days in Setauket- East Setauket?
With an average of 15h and 6min of daylight, June has the longest days of the year.
When is the ocean warmest in Setauket- East Setauket?
The month with the warmest seawater in Setauket- East Setauket is August, with an average ocean temperature of 73.9°F (23.3°C).
What is the month with the shortest days in Setauket- East Setauket?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Setauket- East Setauket.
Average sea temperature
Setauket- East Setauket, NY
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
Setauket- East Setauket, NY
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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).
Setauket- East Setauket, New York, USA
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