Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The coldest period falls in January and December, when the average high-temperature reaches 24.1°F (-4.4°C).Humidity
In Vail, Colorado, the average relative humidity in December is 85%.Rainfall
In Vail, Colorado, in December, it is raining for 3.9 days, with typically 1.22" (31mm) of accumulated precipitation. In Vail, during the entire year, the rain falls for 82.8 days and collects up to 14.8" (376mm) of precipitation.Snowfall
January through December are months with snowfall in Vail. In Vail, Colorado, in December, during 15 snowfall days, 10.08" (256mm) of snow is typically accumulated. Throughout the year, in Vail, there are 107.8 snowfall days, and 77.72" (1974mm) of snow is accumulated.Daylight
The month with the shortest days in Vail is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:41 pm. On the last day of December, in Vail, sunrise is at 7:26 am and sunset at 4:51 pm MST.
Sunshine
In December, the average sunshine in Vail is 5.8h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the coldest month in Vail?
How cold is December in Vail?
What is the average humidity in December in Vail?
How many days does it rain in December in Vail?
How many days does it snow in December in Vail?
What is the month with the shortest days in Vail?
How many hours of daylight does Vail have in December?
What time are sunrise and sunset in December in Vail?
How many hours of sunshine does Vail have in December?
What is the month with the lowest UV index in Vail?
What is the UV index reading in December in Vail?
Average temperature in December
Vail, CO
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (70.3°F).
The months with the lowest average high temperature are January and December (24.1°F).
- Average low temperature in December: 3°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).
Average pressure in December
Vail, CO
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).
Average wind speed in December
Vail, CO
- Average wind speed in December: 4.9mph
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).
Average humidity in December
Vail, CO
- Average humidity in December: 85%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (51%).
Average rainfall in December
Vail, CO
- Average rainfall in December: 1.22"
The wettest months (with the highest rainfall) are May and July (1.77").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in December
Vail, CO
- Average rainfall days in December: 3.9 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).
Average snowfall in December
Vail, CO
- Average snowfall in December: 10.08"
The month with the highest snowfall is February (11.38").
The month with the least snowfall is July (0.12").
Average snowfall days in December
Vail, CO
- Average snowfall days in December: 15 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).
Average daylight in December /
Average sunshine in December
Vail, CO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in December
Vail, CO
- Average sunshine days in December: 16.6 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).
Average UV index in December
Vail, CO
- Average UV index in December: 1
The 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).
Average cloud cover in December
Vail, CO
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in December
Vail, CO
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Vail, Colorado, USA
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