December weather forecast
Chimney Rock, CO

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Weather in December

The first month of the winter, December, is also an icy month in Chimney Rock, Colorado, with an average temperature ranging between max 32.2°F (0.1°C) and min 14°F (-10°C).

Temperature

Start of December brings a shift in the average high-temperature, falling from November's frosty 44.1°F (6.7°C) to an icy 32.2°F (0.1°C). December nights are marked by an average low-temperature of 14°F (-10°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Chimney Rock, Colorado, in December, during 4 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Chimney Rock, during the entire year, the rain falls for 107.8 days and collects up to 18.07" (459mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 11.9 days and accumulates 13.74" (349mm) of snow.

Daylight

December has the shortest days of the year in Chimney Rock, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:02 pm MST.

Sunshine

In Chimney Rock, Colorado, the average sunshine in December is 6.3h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Chimney Rock, Colorado. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Chimney Rock in December?

The average high-temperature, in December, in Chimney Rock, is 32.2°F (0.1°C), while the average low-temperature is 14°F (-10°C).

What is the average humidity in December in Chimney Rock?

In December, the average relative humidity in Chimney Rock is 78%.

How much does it rain in Chimney Rock in December?

In Chimney Rock, Colorado, in December, it is raining for 4 days, with typically 1.69" (43mm) of accumulated precipitation.

When does it snow the most in Chimney Rock?

December is the month with the most snowfall. Snow falls for 11.9 days and accumulates 13.74" (349mm) of snow.

How much does it snow in Chimney Rock in December?

In Chimney Rock, Colorado, in December, during 11.9 snowfall days, 13.74" (349mm) of snow is typically accumulated.

What is the month with the shortest days in Chimney Rock?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December in Chimney Rock?

In Chimney Rock, the average day length in December is 9h and 39min.

What time are sunrise and sunset in December in Chimney Rock?

On the first day of December in Chimney Rock, Colorado, sunrise is at 7:04 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:02 pm MST.

How many hours of sunshine does Chimney Rock have in December?

In Chimney Rock, the average sunshine duration in December is 6.3h.

What are the months with the lowest UV index in Chimney Rock?

The months with the lowest UV index in Chimney Rock, Colorado, are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in December in Chimney Rock?

The average daily maximum UV index in December in Chimney Rock, Colorado, is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chimney Rock, CO

Average temperature in December - Chimney Rock, CO
  • Average high temperature in December: 32.2°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 14°F

The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in December
Chimney Rock, CO

Average pressure in December - Chimney Rock, CO
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is May (29.91"Hg).

Average wind speed in December
Chimney Rock, CO

Average wind speed in December - Chimney Rock, CO
  • Average wind speed in December: 4.2mph

The windiest months (with the highest average wind speed) are April, May and June (6.6mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

Average humidity in December
Chimney Rock, CO

Average humidity in December - Chimney Rock, CO
  • Average humidity in December: 78%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is June (37%).

Average rainfall in December
Chimney Rock, CO

Average rainfall in December - Chimney Rock, CO
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is July (2.28").
The driest month (with the least rainfall) is June (0.87").

Average rainfall days in December
Chimney Rock, CO

Average rainfall days in December - Chimney Rock, CO
  • Average rainfall days in December: 4 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (3.4 days).

Average snowfall in December
Chimney Rock, CO

Average snowfall in December - Chimney Rock, CO
  • Average snowfall in December: 13.74"

The month with the highest snowfall is December (13.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Chimney Rock, CO

Average snowfall days in December - Chimney Rock, CO
  • Average snowfall days in December: 11.9 days

The month with the highest number of snowfall days is February (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Chimney Rock, CO

Average daylight in December / Average sunshine in December - Chimney Rock, CO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in December
Chimney Rock, CO

Average sunshine days in December - Chimney Rock, CO
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (6.6 days).

Average UV index in December
Chimney Rock, CO

Average UV index in December - Chimney Rock, CO
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Chimney Rock, CO

Average cloud cover in December - Chimney Rock, CO
  • Average cloud cover in December: 31

The months with the most cloud cover are January and February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 11).

Average visibility in December
Chimney Rock, CO

Average visibility in December - Chimney Rock, CO
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Chimney Rock, Colorado, USA

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