Monthly weather forecast and climate
West Sayville, NY

Weather in January

January, the same as December, is a wintry winter month in West Sayville, New York, with temperature in the range of an average low of 30.2°F (-1°C) and an average high of 37.9°F (3.3°C). The coldest month is January, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 30.2°F (-1°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in West Sayville, New York, with average temperature ranging between max 39.7°F (4.3°C) and min 31.3°F (-0.4°C). In West Sayville, the average high-temperature is almost 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 West Sayville, is a frosty month, with average temperature varying between 36.3°F (2.4°C) and 44.2°F (6.8°C). In West Sayville, the average high-temperature is essentially 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 West Sayville, New York, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 45.1°F (7.3°C). In April, the average high-temperature marginally rises, from a frosty 44.2°F (6.8°C) in March, to a fresh 52.3°F (11.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in West Sayville, New York, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 61.2°F (16.2°C). In May, the average high-temperature slightly increases, from a cool 52.3°F (11.3°C) in April, to a comfortable 61.2°F (16.2°C). Weather in May »

Weather in June

June, the first month of the summer, in West Sayville, is an agreeable month, with average temperature fluctuating between 70.7°F (21.5°C) and 63.5°F (17.5°C). In June, the average high-temperature increases, from a comfortable 61.2°F (16.2°C) in May, to an agreeable 70.7°F (21.5°C). Weather in June »

Weather in July

July is a moderately hot summer month in West Sayville, New York, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 71.6°F (22°C). In July, the average high-temperature marginally rises, from an agreeable 70.7°F (21.5°C) in June, to a warm 77.9°F (25.5°C). Weather in July »

Weather in August

August, the last month of the summer, in West Sayville, is another warm month, with average temperature varying between 71.8°F (22.1°C) and 78.1°F (25.6°C). The warmest month is August, with an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 71.8°F (22.1°C). Weather in August »

Weather in September

September, the first month of the autumn, in West Sayville, is also an agreeable month, with average temperature ranging between min 65.3°F (18.5°C) and max 72.1°F (22.3°C). In West Sayville, the average high-temperature slightly decreases, from a warm 78.1°F (25.6°C) in August, to an agreeable 72.1°F (22.3°C). Weather in September »

Weather in October

October, like September, in West Sayville, New York, is another enjoyable autumn month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 55.8°F (13.2°C). In October, the average high-temperature decreases, from an agreeable 72.1°F (22.3°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 West Sayville, is another cool month, with average temperature varying between 45°F (7.2°C) and 52.3°F (11.3°C). In West Sayville, the average high-temperature in November decreases, from an enjoyable 62.4°F (16.9°C) in October, to a cool 52.3°F (11.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in West Sayville, New York, with average temperature fluctuating between 44.1°F (6.7°C) and 37.2°F (2.9°C). In West Sayville, New York, the average high-temperature marginally drops, from a fresh 52.3°F (11.3°C) in November, to a chilly 44.1°F (6.7°C). Weather in December »
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FAQ

What is the coldest month in West Sayville?

The coldest month in West Sayville, New York, is January, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 30.2°F (-1°C).

How much does it rain in West Sayville?

Throughout the year, in West Sayville, New York, there are 155.3 rainfall days, and 34.84" (885mm) of precipitation is accumulated.

What is the driest month in West Sayville?

The month with the least rainfall is January when the rain falls for 8.3 days and typically collects 2.17" (55mm) of precipitation.

When does it snow in West Sayville?

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

How many days does it snow in West Sayville?

Throughout the year, there are 14.7 snowfall days, and 6.14" (156mm) of snow is accumulated.

What are the months with the lowest UV index in West Sayville?

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

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

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

What is the month with the least sunshine in West Sayville?

February has the least sunshine of the year in West Sayville, New York, with an average of 4.8h of sunshine.

What is the snowiest month in West Sayville?

The month with the most snowfall in West Sayville, New York, is March when snow falls for 2.5 days and typically aggregates up to 2.13" (54mm) of snow.

When it does not snow in West Sayville?

April, June through September and November are months without snowfall.

What is the most humid month in West Sayville?

May and June, with an average relative humidity of 78%, are most humid months in West Sayville, New York.

When are the longest days in West Sayville?

The month with the longest days in West Sayville is June, with an average of 15.1h of daylight.

What are the months with the highest UV index in West Sayville?

Months with the highest UV index in West Sayville are June through August, with an average maximum UV index of 6.

What month has the most sunshine in West Sayville?

With an average of 10.8h of sunshine, July has the most sunshine of the year.

What is the warmest month in West Sayville?

August is the warmest month in West Sayville, New York, with an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 71.8°F (22.1°C).

What month is the ocean warmest in West Sayville?

With an average ocean temperature of 73.9°F (23.3°C), August is the month with the warmest seawater.

What is the least humid month in West Sayville?

With an average relative humidity of 71%, November is the least humid month.

What is the wettest month in West Sayville?

The month with the most rainfall in West Sayville is December when the rain falls for 12.3 days and typically aggregates up to 3.74" (95mm) of precipitation.

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

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

Average temperature
West Sayville, NY

Average temperature - West Sayville, NY

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure
West Sayville, NY

Average pressure - West Sayville, NY

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

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Average wind speed
West Sayville, NY

Average wind speed - West Sayville, NY

The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).

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Average humidity
West Sayville, NY

Average humidity - West Sayville, NY

Months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

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Average rainfall
West Sayville, NY

Average rainfall - West Sayville, NY

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days
West Sayville, NY

Average rainfall days - West Sayville, NY

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall
West Sayville, NY

Average snowfall - West Sayville, NY

The month with the highest snowfall is March (2.13").
Months with the least snowfall are April, June, July, August, September and November (0").

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Average snowfall days
West Sayville, NY

Average snowfall days - West Sayville, NY

The month with the highest number of snowfall days is February (4.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature
West Sayville, NY

Average sea temperature - West Sayville, NY

The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

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Average daylight / Average sunshine
West Sayville, NY

Average daylight / Average sunshine - West Sayville, NY

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days
West Sayville, NY

Average sunshine days - West Sayville, NY

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index
West Sayville, NY

Average UV index - West Sayville, NY

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

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Average visibility
West Sayville, NY

Average visibility - West Sayville, NY

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

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