Weather in January
Ocean temperature
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. Even brief immersion at 55.4°F (13°C) feels frosty.
Daylight
The average length of the day in January in Setauket- East Setauket is 9h and 38min.On the first day of January in Setauket- East Setauket, sunrise is at 7:16 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:07 pm EST.
Frequently asked questions
What is the water temperature in January in Setauket- East Setauket?
In Setauket- East Setauket, in January, the average water temperature is 42.3°F (5.7°C). Swimming in 42.3°F (5.7°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.
How many hours of daylight does Setauket- East Setauket have in January?
In January, the average day length is 9h and 38min.
What time are sunrise and sunset in January in Setauket- East Setauket?
In January, on the first day of the month, sunrise is at 7:16 am and sunset at 4:34 pm. On the last day of the month, in Setauket- East Setauket, sunrise is at 7:03 am and sunset at 5:07 pm EST.
Average sea temperature in January
Setauket- East Setauket, NY
- Average sea temperature in January: 42.3°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 January
Setauket- East Setauket, NY
- Average daylight in January: 9h and 4min
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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