May weather forecast
Mount Vernon, NY

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).

Temperature

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). In May, the average low-temperature is 53.4°F (11.9°C).

Humidity

In May, the average relative humidity in Mount Vernon is 74%.

Rainfall

In Mount Vernon, New York, in May, it is raining for 16.6 days, with typically 2.83" (72mm) of accumulated precipitation. In Mount Vernon, during the entire year, the rain falls for 156.5 days and collects up to 33.19" (843mm) of precipitation.

Snowfall

In Mount Vernon, New York, snow does not fall through October.

Daylight

In Mount Vernon, the average length of the day in May is 14h and 29min.
On the first day of the month, sunrise is at 5:53 am and sunset at 7:51 pm. On the last day of May, in Mount Vernon, New York, sunrise is at 5:26 am and sunset at 8:19 pm EDT.

Sunshine

In Mount Vernon, New York, the average sunshine in May is 8.7h.

UV index

In Mount Vernon, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Mount Vernon?

In May, in Mount Vernon, the average high-temperature is 67.8°F (19.9°C), and the average low-temperature is 53.4°F (11.9°C).

What is the average humidity in May in Mount Vernon?

The average relative humidity in May is 74%.

How much does it rain in Mount Vernon in May?

In May, in Mount Vernon, the rain falls for 16.6 days. Throughout May, 2.83" (72mm) of precipitation is accumulated.

When it does not snow in Mount Vernon?

May through October are months without snowfall in Mount Vernon, New York.

Does it snow in Mount Vernon in May?

In May, in Mount Vernon, New York, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Mount Vernon?

In Mount Vernon, the average day length in May is 14h and 29min.

What time are sunrise and sunset in May in Mount Vernon?

On the first day of May in Mount Vernon, sunrise is at 5:53 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:19 pm EDT.

How long on average sun shines in May in Mount Vernon?

In May, the average sunshine duration in Mount Vernon, New York, is 8.7h.

What is the UV index reading in May in Mount Vernon?

The average daily maximum UV index in May in Mount Vernon is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Mount Vernon, NY

Average temperature in May - Mount Vernon, NY
  • Average high temperature in May: 67.8°F

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).

  • Average low temperature in May: 53.4°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 in May
Mount Vernon, NY

Average pressure in May - Mount Vernon, NY
  • Average pressure in May: 30.01"Hg

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 in May
Mount Vernon, NY

Average wind speed in May - Mount Vernon, NY
  • Average wind speed in May: 7.3mph

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 in May
Mount Vernon, NY

Average humidity in May - Mount Vernon, NY
  • Average humidity in May: 74%

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 in May
Mount Vernon, NY

Average rainfall in May - Mount Vernon, NY
  • Average rainfall in May: 2.83"

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 in May
Mount Vernon, NY

Average rainfall days in May - Mount Vernon, NY
  • Average rainfall days in May: 16.6 days

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 in May
Mount Vernon, NY

Average snowfall in May - Mount Vernon, NY
  • Average snowfall in May: 0"

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 in May
Mount Vernon, NY

Average snowfall days in May - Mount Vernon, NY
  • Average snowfall days in May: 0 days

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 in May /
Average sunshine in May
Mount Vernon, NY

Average daylight in May / Average sunshine in May - Mount Vernon, NY
  • Average daylight in May: 14h and 29min

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).

  • Average sunshine in May: 8h and 42min

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 in May
Mount Vernon, NY

Average sunshine days in May - Mount Vernon, NY
  • Average sunshine days in May: 13 days

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 in May
Mount Vernon, NY

Average UV index in May - Mount Vernon, NY
  • Average UV index in May: 5

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 cloud cover in May
Mount Vernon, NY

Average cloud cover in May - Mount Vernon, NY
  • Average cloud cover in May: 44

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in May
Mount Vernon, NY

Average visibility in May - Mount Vernon, NY
  • Average visibility in May: 6mi

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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