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

July weather forecast and climate
Barnum Island, NY

Ocean temperature

In Barnum Island, New York, the average seawater temperature in Julio is 72.1°F (22.3°C).
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 72.1°F (22.3°C).

Daylight

In Barnum Island, the average length of the day in Julio is 14.7h.

How warm is the water in Julio in Barnum Island?

In Barnum Island, New York, the average seawater temperature in Julio is 72.1°F (22.3°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 72.1°F (22.3°C) water may be enjoyable.

What is the average length of the day in Julio in Barnum Island?

In Barnum Island, New York, the average length of the day in Julio is 14.7h.
Average sea temperature in July - Barnum Island, NY
  • Average sea temperature in July: 72.1°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 July - Barnum Island, NY
  • Average daylight in July: 14.7h

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