Climate and monthly weather forecast
Greenport West, NY

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Weather in January

In Greenport West, New York, the average seawater temperature in January is 41.9°F (5.5°C). Note: While a brief time in 41.9°F (5.5°C) at 55.4°F (13°C) is already bracing, plunging below 50°F (10°C) can severely affect breathing and introduce a cold shock, relying on your physical state. Weather in January »

Weather in February

February is the month with the coldest seawater in Greenport West, New York, with an average ocean temperature of 38.8°F (3.8°C). Note: In swimming engagements, this poses immediate life-threatening risks. Weather in February »

Weather in March

In March, the average ocean temperature in Greenport West, New York, is 39.7°F (4.3°C). Note: When swimming, this state is excessively cold, posing a lethal risk. Weather in March »

Weather in April

In Greenport West, New York, the average seawater temperature in April is 44.4°F (6.9°C). Note: Dipping in 44.4°F (6.9°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in April »

Weather in May

In May, the average ocean temperature in Greenport West, New York, is 51.8°F (11°C). Note: Dipping into 51.8°F (11°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Weather in May »

Weather in June

In June, the average ocean temperature in Greenport West, New York, is 62.1°F (16.7°C). Note: For the majority of people, swimming in water at 62.1°F (16.7°C) is not enjoyable. Weather in June »

Weather in July

In July, the average ocean temperature in Greenport West, New York, is 69.4°F (20.8°C). Note: For swimming, a surface water temperature of 69.4°F (20.8°C) is not enjoyable for the majority. Weather in July »

Weather in August

August is the month with the warmest seawater in Greenport West, New York, with an average ocean temperature of 72.1°F (22.3°C). Note: If cold is not your friend, swimming at 72.1°F (22.3°C) might be daunting. Weather in August »

Weather in September

In Greenport West, New York, in September, the average water temperature is 68.2°F (20.1°C). Note: In water with a temperature of 68.2°F (20.1°C), most people do not enjoy swimming. Weather in September »

Weather in October

In Greenport West, New York, the average seawater temperature in October is 62.8°F (17.1°C). Note: The majority of individuals find it unpleasurable to swim in 62.8°F (17.1°C). Weather in October »

Weather in November

In Greenport West, New York, the average seawater temperature in November is 55.4°F (13°C). Note: Diving into 55.4°F (13°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation. Weather in November »

Weather in December

In Greenport West, New York, the average seawater temperature in December is 48.9°F (9.4°C). Note: In 48.9°F (9.4°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health. Weather in December »
Updated: Feb 13, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What is the month with the coldest ocean in Greenport West?

February is the month with the coldest seawater in Greenport West, with an average ocean temperature of 38.8°F (3.8°C).

When is Daylight Saving Time (DST) in Greenport West?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Greenport West, New York, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When are the longest days in Greenport West?

June has the longest days of the year, with an average of 15h and 6min of daylight.

When is the ocean warmest in Greenport West?

The month with the warmest seawater in Greenport West is August, with an average ocean temperature of 72.1°F (22.3°C).

What is the month with the shortest days in Greenport West?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

Average sea temperature
Greenport West, NY

Average sea temperature - Greenport West, NY

The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).

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Average daylight
Greenport West, NY

Average daylight - Greenport West, NY

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

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Greenport West, New York, USA

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