May weather forecast and climate
Vail, CO

Sunrise over Vail, Colorado hitting the slope of a mountain with nearby golden colored trees and a hill in the distance
Sunrise over Vail, Colorado hitting the slope of a mountain with nearby golden colored trees and a hill in the distance

Weather in May

The last month of the spring, May, is a cool month in Vail, Colorado, with average temperature varying between 50.2°F (10.1°C) and 26.1°F (-3.3°C).

Temperature

In May, the average high-temperature rises, from a wintry 37.9°F (3.3°C) in April, to a cool 50.2°F (10.1°C). The average low-temperature, in May, is 26.1°F (-3.3°C).

Humidity

The average relative humidity in May is 68%.

Rainfall

Months with the most rainfall in Vail are May and July, with an average 1.77" (45mm) of precipitation.

Snowfall

Months with snowfall in Vail are January through December. In Vail, in May, during 11.6 snowfall days, 10.47" (266mm) of snow is typically accumulated. In Vail, during the entire year, snow falls for 107.8 days, and aggregates up to 77.72" (1974mm) of snow.

Daylight

In May, the average length of the day in Vail is 14.4h.

Sunshine

In Vail, the average sunshine in May is 10.8h.

UV index

The average daily maximum UV index in Vail is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Vail?

In May, the average relative humidity in Vail, Colorado, is 68%.

What is the wettest month in Vail?

The wettest months in Vail, Colorado, are May and July, with an average 1.77" (45mm) of rainfall.

How much does it rain in Vail in May?

In Vail, Colorado, in May, it is raining for 8.5 days, with typically 1.77" (45mm) of accumulated precipitation.

How much does it snow in Vail in May?

In Vail, in May, during 11.6 snowfall days, 10.47" (266mm) of snow is typically accumulated.

What is the average length of the day in May in Vail?

In May, the average length of the day is 14.4h.

How long on average sun shines in May in Vail?

The average sunshine in May in Vail is 10.8h.

What is the UV index reading in May in Vail?

In Vail, Colorado, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in May
Vail, CO

Average temperature in May - Vail, CO
  • Average high temperature in May: 50.2°F

The warmest month (with the highest average high temperature) is July (70.3°F).
Months with the lowest average high temperature are January and December (24.1°F).

  • Average low temperature in May: 26.1°F

The month with the highest average low temperature is July (41.4°F).
The coldest month (with the lowest average low temperature) is January (1.2°F).

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Average pressure in May
Vail, CO

Average pressure in May - Vail, CO
  • Average pressure in May: 29.94"

The month with the highest atmospheric pressure is January (30.21").
Months with the lowest atmospheric pressure are April and May (29.94").

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Average wind speed in May
Vail, CO

Average wind speed in May - Vail, CO
  • Average wind speed in May: 5.6mph

The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in May
Vail, CO

Average humidity in May - Vail, CO
  • Average humidity in May: 68%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (51%).

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Average rainfall in May
Vail, CO

Average rainfall in May - Vail, CO
  • Average rainfall in May: 1.77"

The wettest months (with the highest rainfall) are May and July (1.77").
The driest month (with the least rainfall) is November (0.71").

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Average rainfall days in May
Vail, CO

Average rainfall days in May - Vail, CO
  • Average rainfall days in May: 8.5 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (1.6 days).

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Average snowfall in May
Vail, CO

Average snowfall in May - Vail, CO
  • Average snowfall in May: 10.47"

The month with the highest snowfall is February (11.38").
The month with the least snowfall is July (0.12").

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Average snowfall days in May
Vail, CO

Average snowfall days in May - Vail, CO
  • Average snowfall days in May: 11.6 days

The month with the highest number of snowfall days is February (16 days).
The month with the least snowfall days is July (0.3 days).

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Average daylight in May /
Average sunshine in May
Vail, CO

Average daylight in May / Average sunshine in May - Vail, CO
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 10.8h

The month with the most sunshine is June (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 5.5h).

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Average sunshine days in May
Vail, CO

Average sunshine days in May - Vail, CO
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in May
Vail, CO

Average UV index in May - Vail, CO
  • Average UV index in May: 3

Months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Vail, CO

Average cloud cover in May - Vail, CO
  • Average cloud cover in May: 28

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 15).

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Average visibility in May
Vail, CO

Average visibility in May - Vail, CO
  • Average visibility in May: 6mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April and December (4mi).

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