Hewlett Harbor
New York, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Hewlett Harbor, NY

Ocean temperature

In Hewlett Harbor, New York, the average seawater temperature in Abril is 46°F (7.8°C).
Note: Swimming in 46°F (7.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

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

What is the water temperature in Abril in Hewlett Harbor?

In Hewlett Harbor, New York, in Abril, the average water temperature is 46°F (7.8°C). 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.

How many hours of daylight does Hewlett Harbor have in Abril?

In Hewlett Harbor, the average length of the day in Abril is 13.3h.
Average sea temperature in April - Hewlett Harbor, 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 - Hewlett Harbor, 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).