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

May weather forecast and climate
Halesite, NY

Ocean temperature

In Halesite, New York, in Mayo, the average water temperature is 53.4°F (11.9°C).
Note: Swimming in 53.4°F (11.9°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 Mayo, the average length of the day is 14.5h.

What is the ocean temperature in Mayo in Halesite?

In Halesite, the average seawater temperature in Mayo is 53.4°F (11.9°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 Halesite have in Mayo?

In Mayo, the average length of the day in Halesite is 14.5h.
Average sea temperature in May - Halesite, NY
  • Average sea temperature in May: 53.4°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 May - Halesite, NY
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).