Climate and monthly weather forecast
Valley Stream, NY

Weather in January

January, the same as December, is a wintry winter month in Valley Stream, New York, with an average temperature fluctuating between 28.2°F (-2.1°C) and 37°F (2.8°C). With an average high-temperature of 37°F (2.8°C) and an average low-temperature of 28.2°F (-2.1°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Valley Stream, New York, with an average temperature varying between 39.4°F (4.1°C) and 29.8°F (-1.2°C). In Valley Stream, the average high-temperature in February is essentially the same as in January - a still wintry 39.4°F (4.1°C). Weather in February »

Weather in March

March, the first month of the spring in Valley Stream, is a chilly month, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 36°F (2.2°C). In March, the average high-temperature marginally rises from a wintry 39.4°F (4.1°C) in February to a frosty 45.1°F (7.3°C). Weather in March »

Weather in April

April in Valley Stream, New York, is a fresh spring month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 54.7°F (12.6°C). In Valley Stream, the average high-temperature in April rises from a chilly 45.1°F (7.3°C) in March to a fresh 54.7°F (12.6°C). Weather in April »

Weather in May

May, the last month of the spring in Valley Stream, is a comfortable month, with an average temperature ranging between max 64.6°F (18.1°C) and min 54.1°F (12.3°C). In Valley Stream, New York, the average high-temperature in May rises from a fresh 54.7°F (12.6°C) in April to an enjoyable 64.6°F (18.1°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Valley Stream, New York, with an average temperature varying between 73.2°F (22.9°C) and 63.9°F (17.7°C). In June, the average high-temperature marginally rises from an enjoyable 64.6°F (18.1°C) in May to an agreeable 73.2°F (22.9°C). Weather in June »

Weather in July

July is a warm summer month in Valley Stream, New York, with an average temperature ranging between max 80.6°F (27°C) and min 70.9°F (21.6°C). With an average high-temperature of 80.6°F (27°C) and an average low-temperature of 70.9°F (21.6°C), July is the warmest month. In July, the average heat index is appraised at 84.2°F (29°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Valley Stream, New York, with an average temperature fluctuating between 79.9°F (26.6°C) and 71.1°F (21.7°C). In Valley Stream, the average high-temperature in August is relatively the same as in July - a still moderately hot 79.9°F (26.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Valley Stream, is also an agreeable month, with an average temperature fluctuating between 73.2°F (22.9°C) and 64.2°F (17.9°C). In September, the average high-temperature slightly decreases from a moderately hot 79.9°F (26.6°C) in August to an agreeable 73.2°F (22.9°C). Weather in September »

Weather in October

October, like September, in Valley Stream, New York, is another comfortable autumn month, with an average temperature ranging between min 54.1°F (12.3°C) and max 63°F (17.2°C). In Valley Stream, New York, the average high-temperature in October decreases from a pleasant 73.2°F (22.9°C) in September to an enjoyable 63°F (17.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Valley Stream, is also a fresh month, with an average temperature varying between 42.6°F (5.9°C) and 51.6°F (10.9°C). In November, the average high-temperature drops from a comfortable 63°F (17.2°C) in October to a cool 51.6°F (10.9°C). Weather in November »

Weather in December

December, the first month of the winter in Valley Stream, is still a chilly month, with an average temperature fluctuating between 36°F (2.2°C) and 43.5°F (6.4°C). In December, the average high-temperature marginally drops from a cool 51.6°F (10.9°C) in November to a frosty 43.5°F (6.4°C). Weather in December »
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FAQ

What is the coldest month in Valley Stream?

With an average high-temperature of 37°F (2.8°C) and an average low-temperature of 28.2°F (-2.1°C), January is the coldest month.

What is the driest month in Valley Stream?

The month with the least rainfall is January, when the rain falls for 7.3 days and typically collects 0.91" (23mm) of precipitation.

How many days does it rain in Valley Stream?

Throughout the year, in Valley Stream, there are 135.3 rainfall days, and 18.62" (473mm) of precipitation is accumulated.

When does it snow in Valley Stream?

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

How many days does it snow in Valley Stream?

Throughout the year, in Valley Stream, New York, there are 15.8 snowfall days, and 2.95" (75mm) of snow is accumulated.

What are the months with the lowest UV index in Valley Stream?

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

What is the month with the least sunshine in Valley Stream?

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

When does it snow the most in Valley Stream?

The month with the most snowfall in Valley Stream is March, when snow falls for 3.3 days and typically aggregates up to 1.02" (26mm) of snow.

When is Daylight Saving Time (DST) in Valley Stream?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Valley Stream, 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 Valley Stream?

In Valley Stream, snow does not fall in April through September.

What is the most humid month in Valley Stream?

May is the most humid month in Valley Stream, with an average relative humidity of 77%.

When are the longest days in Valley Stream?

The month with the longest days in Valley Stream is June, with an average of 15h and 2min of daylight.

What are the months with the highest UV index in Valley Stream?

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

What is the warmest month in Valley Stream?

With an average high-temperature of 80.6°F (27°C) and an average low-temperature of 70.9°F (21.6°C), July is the warmest month in Valley Stream, New York.

What is the rainiest month in Valley Stream?

The months with the most rainfall in Valley Stream, New York, are July and August, with an average 2.32" (59mm) of precipitation.

What month has the most sunshine in Valley Stream?

The month with the most sunshine in Valley Stream is July, with an average of 10.8h of sunshine.

What is the least humid month in Valley Stream?

November is the least humid month in Valley Stream, with an average relative humidity of 72%.

What is the month with the shortest days in Valley Stream?

December has the shortest days of the year, with an average of 9h and 19min of daylight.

Average temperature
Valley Stream, NY

Average temperature - Valley Stream, NY

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).

The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

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Average pressure
Valley Stream, NY

Average pressure - Valley Stream, NY

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Valley Stream, NY

Average wind speed - Valley Stream, NY

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average rainfall
Valley Stream, NY

Average rainfall - Valley Stream, NY

The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days
Valley Stream, NY

Average rainfall days - Valley Stream, NY

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall
Valley Stream, NY

Average snowfall - Valley Stream, NY

The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days
Valley Stream, NY

Average snowfall days - Valley Stream, NY

The month with the highest number of snowfall days is January (4.6 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
Valley Stream, NY

Average daylight / Average sunshine - Valley Stream, NY

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

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
Valley Stream, NY

Average sunshine days - Valley Stream, NY

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).

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Average UV index
Valley Stream, NY

Average UV index - Valley Stream, 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, November and December (UV index 2).

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Average visibility
Valley Stream, NY

Average visibility - Valley Stream, 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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