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

May weather forecast and climate
Barnum Island, NY

Ocean temperature

In Mayo, the average ocean temperature in Barnum Island, New York, is 54.1°F (12.3°C).
Note: Swimming in 54.1°F (12.3°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.

Daylight

The average length of the day in Mayo in Barnum Island is 14.5h.

What is the water temperature in Mayo in Barnum Island?

In Mayo, the average ocean temperature is 54.1°F (12.3°C). Swimming in 54.1°F (12.3°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 Barnum Island have in Mayo?

In Mayo, the average length of the day in Barnum Island, New York, is 14.5h.
Average sea temperature in May - Barnum Island, NY
  • Average sea temperature in May: 54.1°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 May - Barnum Island, NY
  • Average daylight in May: 14.5h

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