December weather forecastCrested Butte, CO
December
Weather in December
As the final month of the year, December in Crested Butte reaffirms that winter is in full swing. A substantial spike in snowfall, accumulating to a significant 19.06" (484mm), underlines the intensity of the season. The sunny days, although diminished considerably, provide beautiful quieter moments to appreciate this winter wonderland under the clear Colorado skies. While the chilly nights encourage indoor coziness and holiday spirit, January waits in the wings to carry forward this winter saga into the New Year.Temperature
Temperatures reach their minimum during February and December, recording an average high-temperature of 22.6°F (-5.2°C).Humidity
In December, the average relative humidity is 87%.Rainfall
In Crested Butte, during December, the rain falls for 4.8 days and regularly aggregates up to 2.32" (59mm) of precipitation. In 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 Crested Butte, Colorado, in December, snow falls for 20 days, with typically accumulated 19.06" (484mm) of snow. Throughout the year, there are 159 snowfall days, and 149.53" (3798mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:56 pm MST.
Sunshine
In Crested Butte, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index are February, March and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
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
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
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
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
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
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
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
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
Crested Butte, CO
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 18min
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
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
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
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
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).
