December weather forecast
Columbine Valley, CO

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Weather in December

The first month of the winter, December, is also an icy month in Columbine Valley, Colorado, with an average temperature fluctuating between 41°F (5°C) and 21°F (-6.1°C).

Temperature

Columbine Valley's December weather, marked by an average high temperature of 41°F (5°C) and an average low temperature of 21°F (-6.1°C), is the coldest in the year.

Humidity

The average relative humidity in December is 60%.

Rainfall

In Columbine Valley, in December, during 4.4 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, in Columbine Valley, Colorado, there are 101.2 rainfall days, and 11.89" (302mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, in Columbine Valley, it is snowing for 7 days. Throughout December, 4.06" (103mm) of snow is accumulated. Throughout the year, in Columbine Valley, there are 42.7 snowfall days, and 34.92" (887mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:02 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:46 pm MST.

Sunshine

In December, the average sunshine in Columbine Valley is 7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Columbine Valley. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 2 in December translates into these instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the coldest month in Columbine Valley?

Temperature records mark December as the coldest month, with highs averaging 41°F (5°C) and lows at 21°F (-6.1°C).

Is it cold in Columbine Valley during December?

In December, in Columbine Valley, the average high-temperature is 41°F (5°C), and the average low-temperature is 21°F (-6.1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 84.2°F (29°C).

What is the average humidity in December in Columbine Valley?

The average relative humidity in December is 60%.

How many days does it rain in December in Columbine Valley?

In Columbine Valley, Colorado, during December, the rain falls for 4.4 days and regularly aggregates up to 0.51" (13mm) of precipitation.

How much does it snow in Columbine Valley in December?

In December, in Columbine Valley, Colorado, it is snowing for 7 days. Throughout December, 4.06" (103mm) of snow is accumulated.

What is the month with the shortest days in Columbine Valley?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

How many hours of daylight does Columbine Valley have in December?

The average day length in December in Columbine Valley is 9h and 26min.

When are sunrise and sunset in December in Columbine Valley?

On the first day of December, sunrise is at 7:02 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:46 pm MST.

How many hours of sunshine does Columbine Valley have in December?

In December, the average sunshine duration is 7h.

What are the months with the lowest UV index in Columbine Valley?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Columbine Valley?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to 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
Columbine Valley, CO

Average temperature in December - Columbine Valley, CO
  • Average high temperature in December: 41°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (41°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (21°F).

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Average pressure in December
Columbine Valley, CO

Average pressure in December - Columbine Valley, CO
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

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Average wind speed in December
Columbine Valley, CO

Average wind speed in December - Columbine Valley, CO
  • Average wind speed in December: 6.1mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is September (6mph).

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Average humidity in December
Columbine Valley, CO

Average humidity in December - Columbine Valley, CO
  • Average humidity in December: 60%

The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (41%).

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Average rainfall in December
Columbine Valley, CO

Average rainfall in December - Columbine Valley, CO
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in December
Columbine Valley, CO

Average rainfall days in December - Columbine Valley, CO
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3 days).

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Average snowfall in December
Columbine Valley, CO

Average snowfall in December - Columbine Valley, CO
  • Average snowfall in December: 4.06"

The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Columbine Valley, CO

Average snowfall days in December - Columbine Valley, CO
  • Average snowfall days in December: 7 days

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Columbine Valley, CO

Average daylight in December / Average sunshine in December - Columbine Valley, CO
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 7h and 0min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

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Average sunshine days in December
Columbine Valley, CO

Average sunshine days in December - Columbine Valley, CO
  • Average sunshine days in December: 22.3 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (10 days).

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Average UV index in December
Columbine Valley, CO

Average UV index in December - Columbine Valley, CO
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Columbine Valley, CO

Average cloud cover in December - Columbine Valley, CO
  • Average cloud cover in December: 21

The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 14).

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Average visibility in December
Columbine Valley, CO

Average visibility in December - Columbine Valley, CO
  • Average visibility in December: 6mi

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

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Columbine Valley, Colorado, USA

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