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

May weather forecast and climate
Moriches, NY

Ocean temperature

In Moriches, New York, in Mayo, the average water temperature is 52.9°F (11.6°C).
Note: Swimming in 52.9°F (11.6°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.

How cold is the water in Mayo in Moriches?

In Moriches, the average seawater temperature in Mayo is 52.9°F (11.6°C). Swimming in 52.9°F (11.6°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Moriches have in Mayo?

The average length of the day in Mayo in Moriches, New York, is 14.5h.
Average sea temperature in May - Moriches, NY
  • Average sea temperature in May: 52.8°F

The best month for swimming (with the highest average sea temperature) is August (73.7°F).
The coldest month (with the lowest average sea temperature) is February (38°F).

Average daylight in May - Moriches, 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).