December weather forecast
Crested Butte, CO

Scenic wooden holiday homes amid trees and great scenery in a village in Crested Butte, Colorado, a view of the snowy Mount Butte in the back
Scenic wooden holiday homes amid trees and great scenery in a village in Crested Butte, Colorado, a view of the snowy Mount Butte in the back

Weather in December

December, the first month of the winter in Crested Butte, is also a subzero cold month, with an average temperature ranging between max 22.6°F (-5.2°C) and min 1°F (-17.2°C).

Temperature

The coldest months are February and December, with an average high-temperature of 22.6°F (-5.2°C).

Humidity

In December, the average relative humidity is 87%.

Rainfall

In Crested Butte, in December, during 4.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 117.4 rainfall days, and 29.33" (745mm) of precipitation is accumulated.

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

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:46 pm. On the last day of December, in Crested Butte, Colorado, sunrise is at 7:26 am and sunset at 4:55 pm MST.

Sunshine

In December, the average sunshine in Crested Butte 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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What are the coldest months in Crested Butte?

February and December, with an average high-temperature of 22.6°F (-5.2°C), are the coldest months.

What is the average humidity in December in Crested Butte?

In December, the average relative humidity in Crested Butte, Colorado, is 87%.

How many days does it rain in December in Crested Butte?

In Crested Butte, Colorado, in December, during 4.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

How much does it snow in Crested Butte in December?

In Crested Butte, in December, snow falls for 20 days, with typically accumulated 19.06" (484mm) of snow.

What is the month with the shortest days in Crested Butte?

The month with the shortest days in Crested Butte is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Crested Butte have in December?

In December, the average day length is 9h and 30min.

When is the sunrise / sunset in December in Crested Butte?

On the first day of December in Crested Butte, Colorado, sunrise is at 7:07 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:55 pm MST.

How many hours of sunshine does Crested Butte have in December?

The average sunshine duration in December in Crested Butte is 5.3h.

When is the lowest UV index in Crested Butte?

The months with the lowest UV index in Crested Butte are February, March and December, with an average maximum UV index of 1.

How high is the UV index in December in Crested Butte?

The average daily maximum UV index in December in Crested Butte is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.

Average temperature in December
Crested Butte, CO

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).

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Average pressure in December
Crested Butte, CO

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).

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Average wind speed in December
Crested Butte, CO

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).

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Average humidity in December
Crested Butte, CO

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%).

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Average rainfall in December
Crested Butte, CO

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").

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Average rainfall days in December
Crested Butte, CO

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).

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Average snowfall in December
Crested Butte, CO

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").

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Average snowfall days in December
Crested Butte, CO

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).

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Average daylight in December /
Average sunshine in December
Crested Butte, CO

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 51min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5.3h

The month with the most sunshine is June (Average sunshine: 11.6h).
The month with the least sunshine is February (Average sunshine: 5.1h).

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Average sunshine days in December
Crested Butte, CO

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).

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Average UV index in December
Crested Butte, CO

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).

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Average cloud cover in December
Crested Butte, CO

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).

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Average visibility in December
Crested Butte, CO

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).

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