Climate and monthly weather forecast
Shelter Island Heights, NY

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Weather in January

January, the same as December, is an icy winter month in Shelter Island Heights, New York, with an average temperature varying between 31.3°F (-0.4°C) and 38.8°F (3.8°C). January is Shelter Island Heights's coldest month, registering average high temperatures of 38.8°F (3.8°C) and lows of 31.3°F (-0.4°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Shelter Island Heights, New York, with an average temperature fluctuating between 31.5°F (-0.3°C) and 39.6°F (4.2°C). In February, Shelter Island Heights experiences a minor shift in meteorological conditions with average high-temperatures marked at a still wintry 39.6°F (4.2°C), closely mirroring the climate in January. Weather in February »

Weather in March

March, the first month of the spring in Shelter Island Heights, is a chilly month, with an average temperature varying between 43°F (6.1°C) and 36.1°F (2.3°C). As Shelter Island Heights steps into March, the average high-temperature is measured at a chilly 43°F (6.1°C), displaying minor differences from February's 39.6°F (4.2°C). Weather in March »

Weather in April

April is a fresh spring month in Shelter Island Heights, New York, with an average temperature ranging between max 50°F (10°C) and min 44.2°F (6.8°C). April sees a marginal temperature increase, moving from a chilly 43°F (6.1°C) in March to a cool 50°F (10°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Shelter Island Heights, New York, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 58.6°F (14.8°C). As May sets, the average high-temperature shows a slight increase, moving up from a cool 50°F (10°C) in April to a mild 58.6°F (14.8°C). Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in Shelter Island Heights, New York, with temperature in the range of an average high of 67.6°F (19.8°C) and an average low of 62.6°F (17°C). As June begins, there is an increase in the average high-temperature, moving from a refreshing 58.6°F (14.8°C) in May to an enjoyable 67.6°F (19.8°C). Weather in June »

Weather in July

July is a warm summer month in Shelter Island Heights, New York, with an average temperature fluctuating between 70.3°F (21.3°C) and 75.7°F (24.3°C). The shift into July is marked by a modest rise in the average high-temperature, moving from June's refreshing 67.6°F (19.8°C) to a moderately hot 75.7°F (24.3°C). Weather in July »

Weather in August

August, the last month of the summer in Shelter Island Heights, is another warm month, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 71.2°F (21.8°C). August, known for its average high temperature of 75.9°F (24.4°C) and an average low temperature of 71.2°F (21.8°C), is the warmest month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Shelter Island Heights, New York, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 65.1°F (18.4°C). September's advent presents an average high-temperature of a pleasant 70.7°F (21.5°C), indicating a slight variation from the conditions of the previous month. Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Shelter Island Heights, New York, with an average temperature ranging between min 56.3°F (13.5°C) and max 62.4°F (16.9°C). In October, the average high-temperature marginally decreases from an agreeable 70.7°F (21.5°C) in September to a comfortable 62.4°F (16.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Shelter Island Heights, is another cool month, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 45.5°F (7.5°C). The start of November involves a temperature drop, moving from a refreshing 62.4°F (16.9°C) in October to a cool 52.7°F (11.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Shelter Island Heights, New York, with an average temperature varying between 37.9°F (3.3°C) and 45°F (7.2°C). With the onset of December, the average high-temperature subtly recedes from November's fresh 52.7°F (11.5°C) to a chilly 45°F (7.2°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Shelter Island Heights?

January, on average, is the coldest month in Shelter Island Heights, New York, registering a high temperature of 38.8°F (3.8°C) and a low of 31.3°F (-0.4°C).

How many days does it rain in Shelter Island Heights?

Throughout the year, in Shelter Island Heights, New York, there are 154.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

When does it snow in Shelter Island Heights?

Months with snowfall in Shelter Island Heights, New York, are January through March, November and December.

How much does it snow in Shelter Island Heights?

Throughout the year, there are 13.9 snowfall days, and 6.61" (168mm) of snow is accumulated.

What is the month with the lowest UV index in Shelter Island Heights?

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the month with the coldest ocean in Shelter Island Heights?

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

When does it snow the most in Shelter Island Heights?

The month with the most snowfall in Shelter Island Heights, New York, is March, when snow falls for 3 days and typically aggregates up to 2.36" (60mm) of snow.

When is Daylight Saving Time (DST) in Shelter Island Heights?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 it does not snow in Shelter Island Heights?

April through October are months without snowfall.

What is the most humid month in Shelter Island Heights?

The months with the highest humidity are May and June, with an average relative humidity of 81%.

When are the longest days in Shelter Island Heights?

The month with the longest days in Shelter Island Heights, New York, is June, with an average of 15h and 6min of daylight.

What are the months with the highest UV index in Shelter Island Heights?

The months with the highest UV index in Shelter Island Heights, New York, are June through August, with an average maximum UV index of 6.

What is the month with the most sunshine in Shelter Island Heights?

July and August, with an average of 10.6h of sunshine, are months with the most sunshine.

What is the warmest month in Shelter Island Heights?

August, known for its average high temperature of 75.9°F (24.4°C) and an average low temperature of 71.2°F (21.8°C), is the warmest month in Shelter Island Heights.

What month is the ocean warmest in Shelter Island Heights?

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

What is the driest month in Shelter Island Heights?

The month with the least rainfall in Shelter Island Heights, New York, is September, when the rain falls for 12.6 days and typically collects 2.17" (55mm) of precipitation.

What is the least humid month in Shelter Island Heights?

The least humid month in Shelter Island Heights is November, with an average relative humidity of 72%.

What is the rainiest month in Shelter Island Heights?

December is the month with the most rainfall in Shelter Island Heights. Rain falls for 12.8 days and accumulates 3.82" (97mm) of precipitation.

What is the month with the shortest days in Shelter Island Heights?

The month with the shortest days in Shelter Island Heights is December, with an average of 9h and 18min of daylight.

What is the month with the least sunshine in Shelter Island Heights?

December has the least sunshine of the year, with an average of 4.6h of sunshine.

Average temperature
Shelter Island Heights, NY

Average temperature - Shelter Island Heights, NY

The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

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Average pressure
Shelter Island Heights, NY

Average pressure - Shelter Island Heights, NY

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Shelter Island Heights, NY

Average wind speed - Shelter Island Heights, NY

The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).

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Average humidity
Shelter Island Heights, NY

Average humidity - Shelter Island Heights, NY

The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).

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Average rainfall
Shelter Island Heights, NY

Average rainfall - Shelter Island Heights, NY

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days
Shelter Island Heights, NY

Average rainfall days - Shelter Island Heights, NY

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall
Shelter Island Heights, NY

Average snowfall - Shelter Island Heights, NY

The month with the highest snowfall is March (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Shelter Island Heights, NY

Average snowfall days - Shelter Island Heights, NY

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

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Average sea temperature
Shelter Island Heights, NY

Average sea temperature - Shelter Island Heights, 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 / Average sunshine
Shelter Island Heights, NY

Average daylight / Average sunshine - Shelter Island Heights, 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).

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days
Shelter Island Heights, NY

Average sunshine days - Shelter Island Heights, NY

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).

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Average UV index
Shelter Island Heights, NY

Average UV index - Shelter Island Heights, 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
Shelter Island Heights, NY

Average visibility - Shelter Island Heights, 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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Shelter Island Heights, New York, USA

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