Climate and monthly weather forecast
East Islip, NY

Weather in January

January, the same as December, is a wintry winter month in East Islip, New York, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 37.9°F (3.3°C). January is the coldest month, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 30°F (-1.1°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in East Islip, New York, with an average temperature ranging between min 31.1°F (-0.5°C) and max 39.7°F (4.3°C). In East Islip, the average high-temperature in February is practically the same as in January - a still wintry 39.7°F (4.3°C). Weather in February »

Weather in March

March, the first month of the spring in East Islip, is a frosty month, with an average temperature ranging between min 36.1°F (2.3°C) and max 44.2°F (6.8°C). In March, the average high-temperature is practically the same as in February - a chilly 44.2°F (6.8°C). Weather in March »

Weather in April

April is a fresh spring month in East Islip, New York, with an average temperature fluctuating between 52.9°F (11.6°C) and 45.1°F (7.3°C). In East Islip, the average high-temperature in April slightly increases from a chilly 44.2°F (6.8°C) in March to a fresh 52.9°F (11.6°C). Weather in April »

Weather in May

May, the last month of the spring in East Islip, is a comfortable month, with an average temperature fluctuating between 54.5°F (12.5°C) and 62.2°F (16.8°C). In May, the average high-temperature rises from a fresh 52.9°F (11.6°C) in April to an enjoyable 62.2°F (16.8°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in East Islip, New York, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 71.4°F (21.9°C). In East Islip, the average high-temperature in June rises from a comfortable 62.2°F (16.8°C) in May to an agreeable 71.4°F (21.9°C). Weather in June »

Weather in July

July in East Islip, New York, is a warm summer month, with an average temperature ranging between min 71.8°F (22.1°C) and max 79°F (26.1°C). With an average high-temperature of 79°F (26.1°C) and an average low-temperature of 71.8°F (22.1°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in East Islip, is also a moderately hot month, with temperature in the range of an average low of 72°F (22.2°C) and an average high of 78.4°F (25.8°C). In August, the average high-temperature is almost the same as in July - a still warm 78.4°F (25.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in East Islip, New York, with an average temperature varying between 65.3°F (18.5°C) and 72.1°F (22.3°C). In September, the average high-temperature marginally drops from a warm 78.4°F (25.8°C) in August to an agreeable 72.1°F (22.3°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in East Islip, New York, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 62.4°F (16.9°C). In October, the average high-temperature decreases from an agreeable 72.1°F (22.3°C) in September to an enjoyable 62.4°F (16.9°C). Weather in October »

Weather in November

November, the last month of the autumn in East Islip, is also a fresh month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 52°F (11.1°C). In November, the average high-temperature decreases from an enjoyable 62.4°F (16.9°C) in October to a fresh 52°F (11.1°C). Weather in November »

Weather in December

December, the first month of the winter in East Islip, is also a frosty month, with temperature in the range of an average low of 36.9°F (2.7°C) and an average high of 43.9°F (6.6°C). In December, the average high-temperature slightly decreases from a cool 52°F (11.1°C) in November to a frosty 43.9°F (6.6°C). Weather in December »
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FAQ

What is the coldest month in East Islip?

January is the coldest month, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 30°F (-1.1°C).

What is the driest month in East Islip?

The month with the least rainfall in East Islip, New York, is January, when the rain falls for 7.6 days and typically collects 2.05" (52mm) of precipitation.

How much does it rain in East Islip?

In East Islip, New York, during the entire year, the rain falls for 153.2 days and collects up to 34.45" (875mm) of precipitation.

When does it snow in East Islip?

January through March, October through December are months with snowfall.

How many days does it snow in East Islip?

Throughout the year, there are 13 snowfall days, and 5.87" (149mm) of snow is accumulated.

When is the lowest UV index in East Islip?

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in East Islip, New York.

What is the month with the least sunshine in East Islip?

The month with the least sunshine is February, with an average of 4.8h of sunshine.

When does it snow the most in East Islip?

The month with the most snowfall in East Islip is March, when snow falls for 2.6 days and typically aggregates up to 1.97" (50mm) of snow.

When is Daylight Saving Time (DST) in East Islip?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in East Islip, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in East Islip?

April through September are months without snowfall in East Islip, New York.

What is the most humid month in East Islip?

May and June, with an average relative humidity of 77%, are most humid months.

When are the longest days in East Islip?

With an average of 15h and 3min of daylight, June has the longest days of the year in East Islip, New York.

When is the highest UV index in East Islip?

June through August, with an average maximum UV index of 6, are months with the highest UV index in East Islip.

What is the warmest month in East Islip?

July is the warmest month in East Islip, with an average high-temperature of 79°F (26.1°C) and an average low-temperature of 71.8°F (22.1°C).

What is the rainiest month in East Islip?

July is the month with the most rainfall. Rain falls for 17.9 days and accumulates 3.86" (98mm) of precipitation.

What month has the most sunshine in East Islip?

July has the most sunshine of the year in East Islip, New York, with an average of 10.8h of sunshine.

What is the least humid month in East Islip?

November is the least humid month in East Islip, with an average relative humidity of 71%.

What is the month with the shortest days in East Islip?

The month with the shortest days in East Islip is December, with an average of 9h and 19min of daylight.

Average pressure
East Islip, NY

Average pressure - East Islip, NY

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
East Islip, NY

Average wind speed - East Islip, NY

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).

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Average humidity
East Islip, NY

Average humidity - East Islip, NY

The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).

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Average rainfall
East Islip, NY

Average rainfall - East Islip, NY

The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days
East Islip, NY

Average rainfall days - East Islip, NY

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.6 days).

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Average snowfall
East Islip, NY

Average snowfall - East Islip, NY

The month with the highest snowfall is March (1.97").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days
East Islip, NY

Average snowfall days - East Islip, NY

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
East Islip, NY

Average daylight / Average sunshine - East Islip, NY

The month with the longest days is June (Average daylight: 15h and 3min).
The month with the shortest days is December (Average daylight: 9h and 19min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days
East Islip, NY

Average sunshine days - East Islip, NY

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).

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Average UV index
East Islip, NY

Average UV index - East Islip, NY

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

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Average visibility
East Islip, NY

Average visibility - East Islip, NY

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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