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
February and December are the coldest months, with an average high-temperature of 22.6°F (-5.2°C).Humidity
In Mount Crested Butte, Colorado, the average relative humidity in December is 87%.Rainfall
In Mount Crested Butte, in December, during 4.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Mount Crested Butte, during the entire year, the rain falls for 117.4 days and collects up to 29.33" (745mm) of precipitation.Snowfall
January through December are months with snowfall. In Mount Crested Butte, in December, snow falls for 20 days, with typically accumulated 19.06" (484mm) of snow. In Mount Crested Butte, during the entire year, snow falls for 159 days and aggregates up to 149.53" (3798mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December in Mount Crested Butte, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:56 pm MST.
Sunshine
In December, the average sunshine is 5.3h.UV index
The months with the lowest UV index in Mount Crested Butte are February, March and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in December?
What is the average humidity in December in Mount Crested Butte?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mount Crested Butte have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mount Crested Butte, CO
- Average high temperature in December: 22.6°F
The warmest month (with the highest average high temperature) is July (67.6°F).
The months with the lowest average high temperature are February and December (22.6°F).
- Average low temperature in December: 1°F
The month with the highest average low temperature is July (41°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in December
Mount Crested Butte, CO
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are April and May (29.95"Hg).
Average wind speed in December
Mount Crested Butte, CO
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Mount Crested Butte, CO
- Average humidity in December: 87%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (52%).
Average rainfall in December
Mount Crested Butte, CO
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in December
Mount Crested Butte, CO
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (3.1 days).
Average snowfall in December
Mount Crested Butte, CO
- Average snowfall in December: 19.06"
The month with the highest snowfall is March (23.94").
The month with the least snowfall is July (0.16").
Average snowfall days in December
Mount Crested Butte, CO
- Average snowfall days in December: 20 days
The month with the highest number of snowfall days is April (21.8 days).
The month with the least snowfall days is July (0.7 days).
Average daylight in December /
Average sunshine in December
Mount Crested Butte, CO
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Mount Crested Butte, CO
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is April (5.3 days).
Average UV index in December
Mount Crested Butte, CO
- Average UV index in December: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in December
Mount Crested Butte, CO
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in December
Mount Crested Butte, 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).
Mount Crested Butte, Colorado, USA
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