Climate and monthly weather forecast
Uniondale, NY

Weather in January

January, like December, in Uniondale, New York, is another cold winter month, with an average temperature varying between 37.6°F (3.1°C) and 29.3°F (-1.5°C). With an average high-temperature of 37.6°F (3.1°C) and an average low-temperature of 29.3°F (-1.5°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Uniondale, is also a wintry month, with an average temperature fluctuating between 39.6°F (4.2°C) and 30.4°F (-0.9°C). In Uniondale, the average high-temperature in February is almost the same as in January - a still cold 39.6°F (4.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Uniondale, New York, with temperature in the range of an average high of 44.4°F (6.9°C) and an average low of 36.1°F (2.3°C). In March, the average high-temperature is relatively the same as in February - a frosty 44.4°F (6.9°C). Weather in March »

Weather in April

April is a fresh spring month in Uniondale, New York, with an average temperature varying between 44.8°F (7.1°C) and 53.6°F (12°C). In April, the average high-temperature rises from a chilly 44.4°F (6.9°C) in March to a fresh 53.6°F (12°C). Weather in April »

Weather in May

May, the last month of the spring in Uniondale, is an enjoyable month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 54.5°F (12.5°C). In May, the average high-temperature increases from a cool 53.6°F (12°C) in April to a comfortable 63.1°F (17.3°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Uniondale, New York, with an average temperature ranging between min 64°F (17.8°C) and max 72.5°F (22.5°C). In Uniondale, the average high-temperature in June increases from a comfortable 63.1°F (17.3°C) in May to an agreeable 72.5°F (22.5°C). Weather in June »

Weather in July

July in Uniondale, New York, is a warm summer month, with an average temperature ranging between min 71.4°F (21.9°C) and max 79.3°F (26.3°C). The warmest month is July, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 71.4°F (21.9°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Uniondale, New York, with an average temperature ranging between max 78.8°F (26°C) and min 71.2°F (21.8°C). In Uniondale, the average high-temperature in August is almost the same as in July - a still moderately hot 78.8°F (26°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Uniondale, New York, with an average temperature varying between 72.5°F (22.5°C) and 64.8°F (18.2°C). In Uniondale, New York, the average high-temperature in September slightly decreases from a moderately hot 78.8°F (26°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Uniondale, New York, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 62.4°F (16.9°C). In Uniondale, New York, the average high-temperature in October decreases from an agreeable 72.5°F (22.5°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 Uniondale, is another cool month, with an average temperature varying between 51.6°F (10.9°C) and 43.7°F (6.5°C). In Uniondale, the average high-temperature in November drops from a comfortable 62.4°F (16.9°C) in October to a fresh 51.6°F (10.9°C). Weather in November »

Weather in December

December, the first month of the winter in Uniondale, is still a chilly month, with an average temperature fluctuating between 43.7°F (6.5°C) and 36.1°F (2.3°C). In Uniondale, the average high-temperature in December slightly decreases from a fresh 51.6°F (10.9°C) in November to a chilly 43.7°F (6.5°C). Weather in December »
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FAQ

What is the coldest month in Uniondale?

The coldest month in Uniondale is January, with an average high-temperature of 37.6°F (3.1°C) and an average low-temperature of 29.3°F (-1.5°C).

How many days does it rain in Uniondale?

In Uniondale, New York, during the entire year, the rain falls for 112.1 days and collects up to 8.66" (220mm) of precipitation.

When does it snow in Uniondale?

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

When does it snow the most in Uniondale?

January is the month with the most snowfall in Uniondale, New York. Snow falls for 4.2 days and accumulates 0.43" (11mm) of snow.

How much does it snow in Uniondale?

Throughout the year, in Uniondale, there are 14.1 snowfall days, and 1.34" (34mm) of snow is accumulated.

When is the lowest UV index in Uniondale?

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

What is the month with the least sunshine in Uniondale?

February has the least sunshine of the year, with an average of 4.8h of sunshine.

When is Daylight Saving Time (DST) in Uniondale?

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

April through September are months without snowfall.

What is the most humid month in Uniondale?

May is the most humid month in Uniondale, New York, with an average relative humidity of 77%.

When are the longest days in Uniondale?

With an average of 15h and 2min of daylight, June has the longest days of the year in Uniondale.

What is the month with the highest UV index in Uniondale?

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

What is the warmest month in Uniondale?

The warmest month in Uniondale is July, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 71.4°F (21.9°C).

What is the rainiest month in Uniondale?

July is the month with the most rainfall in Uniondale. Rain falls for 12.4 days and accumulates 0.98" (25mm) of precipitation.

What month has the most sunshine in Uniondale?

With an average of 10.9h of sunshine, July has the most sunshine of the year.

What is the driest month in Uniondale?

The month with the least rainfall in Uniondale is September, when the rain falls for 9.5 days and typically collects 0.43" (11mm) of precipitation.

What is the least humid month in Uniondale?

The least humid month is November, with an average relative humidity of 71%.

What is the month with the shortest days in Uniondale?

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

Average temperature
Uniondale, NY

Average temperature - Uniondale, NY

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).

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Average pressure
Uniondale, NY

Average pressure - Uniondale, 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
Uniondale, NY

Average wind speed - Uniondale, NY

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average rainfall
Uniondale, NY

Average rainfall - Uniondale, NY

The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days
Uniondale, NY

Average rainfall days - Uniondale, NY

The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (6.2 days).

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Average snowfall
Uniondale, NY

Average snowfall - Uniondale, NY

The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days
Uniondale, NY

Average snowfall days - Uniondale, 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 and September (0 days).

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Average daylight / Average sunshine
Uniondale, NY

Average daylight / Average sunshine - Uniondale, NY

The month with the longest days is June (Average daylight: 15h and 2min).
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 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days
Uniondale, NY

Average sunshine days - Uniondale, NY

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (15.1 days).

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Average UV index
Uniondale, NY

Average UV index - Uniondale, 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
Uniondale, NY

Average visibility - Uniondale, 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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