December weather forecast and climate
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

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

Temperature

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

Humidity

In Crested Butte, 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. 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, snow falls for 20 days, with typically accumulated 19.06" (484mm) of snow. In 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 9.5h of daylight.

Sunshine

In Crested Butte, Colorado, the average sunshine in December is 5.3h.

UV index

Months with the lowest UV index in Crested Butte 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 hazard from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 1 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 coldest month in Crested Butte?

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

What is the average humidity in December in Crested Butte?

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

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

In Crested Butte, Colorado, in December, it is raining for 4.8 days, with typically 2.32" (59mm) of accumulated precipitation.

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 9.5h of daylight.

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

In Crested Butte, Colorado, the average length of the day in December is 9.5h.

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

The average sunshine in December in Crested Butte, Colorado, is 5.3h.

When is the lowest UV index in Crested Butte?

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?

In December, the average daily maximum UV index in Crested Butte, Colorado, is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to the UV radiation.

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).
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"

The month with the highest atmospheric pressure is January (30.23").
Months with the lowest atmospheric pressure are April and May (29.95").

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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: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • 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).
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

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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