Monthly weather forecast and climate
Staten Island, NY

Weather in January

In January, the average ocean temperature in Staten Island, New York, is 41.7°F (5.4°C). Note: Swimming in 41.7°F (5.4°C) is considered dangerous. Weather in January »

Weather in February

The month with the coldest seawater in Staten Island, New York, is February, with an average ocean temperature of 39.7°F (4.3°C). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in February »

Weather in March

In Staten Island, New York, in March, the average water temperature is 40.1°F (4.5°C). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in March »

Weather in April

In Staten Island, New York, the average seawater temperature in April is 45.1°F (7.3°C). Note: Swimming in 45.1°F (7.3°C) is considered life-threatening. Weather in April »

Weather in May

In Staten Island, New York, the average seawater temperature in May is 52.5°F (11.4°C). Note: 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. Weather in May »

Weather in June

In Staten Island, New York, the average seawater temperature in June is 64.6°F (18.1°C). Note: For swimming, a surface water temperature of 64.6°F (18.1°C) is not enjoyable for the majority. Weather in June »

Weather in July

In July, the average ocean temperature in Staten Island, New York, is 72.1°F (22.3°C). Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 72.1°F (22.3°C) water. Weather in July »

Weather in August

The month with the warmest seawater in Staten Island, New York, is August, with an average ocean temperature of 74.1°F (23.4°C). Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 74.1°F (23.4°C) water may be enjoyable. Weather in August »

Weather in September

In Staten Island, New York, in September, the average water temperature is 70.2°F (21.2°C). Note: For swimming, a surface water temperature of 70.2°F (21.2°C) is not enjoyable for the majority. Weather in September »

Weather in October

In Staten Island, New York, in October, the average water temperature is 63.1°F (17.3°C). Note: For most, swimming in 63.1°F (17.3°C) is not an enjoyable activity. Weather in October »

Weather in November

In Staten Island, New York, in November, the average water temperature is 54.3°F (12.4°C). Note: 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. Weather in November »

Weather in December

In Staten Island, New York, the average seawater temperature in December is 47.1°F (8.4°C). Note: Swimming in 47.1°F (8.4°C) is considered dangerous. Weather in December »
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FAQ

What is the month with the coldest ocean in Staten Island?

February is the month with the coldest seawater in Staten Island, with an average ocean temperature of 39.7°F (4.3°C).

When are the longest days in Staten Island?

With an average of 15h of daylight, June has the longest days of the year in Staten Island.

When is the ocean warmest in Staten Island?

August is the month with the warmest seawater in Staten Island, New York, with an average ocean temperature of 74.1°F (23.4°C).

What is the month with the shortest days in Staten Island?

With an average of 9.3h of daylight, December has the shortest days of the year.

Average sea temperature
Staten Island, NY

Average sea temperature - Staten Island, NY

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 (39.7°F).

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Average daylight
Staten Island, NY

Average daylight - Staten Island, NY

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

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