Barnum Island
New York, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Barnum Island, NY

Ocean temperature

In Barnum Island, New York, in Abril, the average water temperature is 46°F (7.8°C).
Note: Swimming in 46°F (7.8°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.


In Abril, the average length of the day in Barnum Island is 13.3h.

What is the water temperature in Abril in Barnum Island?

In Abril, the average ocean temperature is 46°F (7.8°C). 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. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Barnum Island have in Abril?

In Barnum Island, the average length of the day in Abril is 13.3h.
Average sea temperature in April - Barnum Island, NY
  • Average sea temperature in April: 46°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 April - Barnum Island, NY
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).