Climate and monthly weather forecast
Mount Vernon, NY

Weather in January

January, the same as December, is a wintry winter month in Mount Vernon, New York, with an average temperature ranging between min 25.7°F (-3.5°C) and max 36.1°F (2.3°C). With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 25.7°F (-3.5°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Mount Vernon, is another cold month, with an average temperature varying between 38.8°F (3.8°C) and 27°F (-2.8°C). In February, the average high-temperature is almost the same as in January - a still wintry 38.8°F (3.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Mount Vernon, New York, with an average temperature fluctuating between 33.8°F (1°C) and 46°F (7.8°C). In March, the average high-temperature slightly increases from a cold 38.8°F (3.8°C) in February to a frosty 46°F (7.8°C). Weather in March »

Weather in April

April in Mount Vernon, New York, is a mild spring month, with an average temperature varying between 43.7°F (6.5°C) and 57.2°F (14°C). In April, the average high-temperature rises from a frosty 46°F (7.8°C) in March to a mild 57.2°F (14°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Mount Vernon, New York, with an average temperature varying between 53.4°F (11.9°C) and 67.8°F (19.9°C). In May, the average high-temperature rises from a moderate 57.2°F (14°C) in April to an enjoyable 67.8°F (19.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Mount Vernon, New York, with an average temperature ranging between max 76.5°F (24.7°C) and min 62.2°F (16.8°C). In June, the average high-temperature marginally rises from a comfortable 67.8°F (19.9°C) in May to a warm 76.5°F (24.7°C). Weather in June »

Weather in July

July, like June, in Mount Vernon, New York, is another warm summer month, with an average temperature fluctuating between 69.4°F (20.8°C) and 83.5°F (28.6°C). The warmest month is July, with an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 69.4°F (20.8°C). The average heat index in July is appraised at a hot 89.6°F (32°C). Weather in July »

Weather in August

August, the last month of the summer in Mount Vernon, is another warm month, with temperature in the range of an average low of 68.9°F (20.5°C) and an average high of 81.9°F (27.7°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 81.9°F (27.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Mount Vernon, is also a moderately hot month, with an average temperature fluctuating between 74.7°F (23.7°C) and 61.5°F (16.4°C). In Mount Vernon, the average high-temperature in September marginally drops from 81.9°F (27.7°C) in August to a still moderately hot 74.7°F (23.7°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Mount Vernon, New York, with an average temperature ranging between min 51.6°F (10.9°C) and max 63.3°F (17.4°C). In Mount Vernon, the average high-temperature in October decreases from a warm 74.7°F (23.7°C) in September to a comfortable 63.3°F (17.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Mount Vernon, New York, with an average temperature varying between 40.1°F (4.5°C) and 50.9°F (10.5°C). In November, the average high-temperature decreases from a comfortable 63.3°F (17.4°C) in October to a fresh 50.9°F (10.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Mount Vernon, New York, with an average temperature varying between 41.9°F (5.5°C) and 32.5°F (0.3°C). In December, the average high-temperature drops from a fresh 50.9°F (10.5°C) in November to a wintry 41.9°F (5.5°C). Weather in December »
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FAQ

What is the coldest month in Mount Vernon?

January is the coldest month, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 25.7°F (-3.5°C).

How many days does it rain in Mount Vernon?

Throughout the year, in Mount Vernon, there are 156.5 rainfall days, and 33.19" (843mm) of precipitation is accumulated.

When does it snow in Mount Vernon?

January through April, November and December are months with snowfall.

How many days does it snow in Mount Vernon?

In Mount Vernon, New York, during the entire year, snow falls for 18.1 days and aggregates up to 8.43" (214mm) of snow.

When is the lowest UV index in Mount Vernon?

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

What is the most humid month in Mount Vernon?

The most humid month is February, with an average relative humidity of 76%.

What is the driest month in Mount Vernon?

The month with the least rainfall is February, when the rain falls for 8.8 days and typically collects 2.01" (51mm) of precipitation.

What is the month with the least sunshine in Mount Vernon?

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

When does it snow the most in Mount Vernon?

The month with the most snowfall in Mount Vernon is March, when snow falls for 3.5 days and typically aggregates up to 2.6" (66mm) of snow.

When is Daylight Saving Time (DST) in Mount Vernon?

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

May through October are months without snowfall.

When are the longest days in Mount Vernon?

The month with the longest days is June, with an average of 15h and 4min of daylight.

What is the month with the highest UV index in Mount Vernon?

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

What is the warmest month in Mount Vernon?

With an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 69.4°F (20.8°C), July is the warmest month in Mount Vernon, New York.

What is the wettest month in Mount Vernon?

July is the month with the most rainfall in Mount Vernon, New York. Rain falls for 18.2 days and accumulates 3.74" (95mm) of precipitation.

What month has the most sunshine in Mount Vernon?

With an average of 10.5h of sunshine, July has the most sunshine of the year in Mount Vernon, New York.

What is the least humid month in Mount Vernon?

August is the least humid month in Mount Vernon, with an average relative humidity of 69%.

What is the month with the shortest days in Mount Vernon?

With an average of 9h and 17min of daylight, December has the shortest days of the year.

Average temperature
Mount Vernon, NY

Average temperature - Mount Vernon, NY

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36.1°F).

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure
Mount Vernon, NY

Average pressure - Mount Vernon, 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
Mount Vernon, NY

Average wind speed - Mount Vernon, NY

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

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Average humidity
Mount Vernon, NY

Average humidity - Mount Vernon, NY

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (69%).

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Average rainfall
Mount Vernon, NY

Average rainfall - Mount Vernon, NY

The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is February (2.01").

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Average rainfall days
Mount Vernon, NY

Average rainfall days - Mount Vernon, NY

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (8 days).

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Average snowfall
Mount Vernon, NY

Average snowfall - Mount Vernon, NY

The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Mount Vernon, NY

Average snowfall days - Mount Vernon, NY

The months with the highest number of snowfall days are January and February (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Mount Vernon, NY

Average daylight / Average sunshine - Mount Vernon, NY

The month with the longest days is June (Average daylight: 15h and 4min).
The month with the shortest days is December (Average daylight: 9h and 17min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days
Mount Vernon, NY

Average sunshine days - Mount Vernon, NY

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index
Mount Vernon, NY

Average UV index - Mount Vernon, 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
Mount Vernon, NY

Average visibility - Mount Vernon, 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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