December weather forecast
Fort Carson, CO

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Weather in December

The first month of the winter, December, is also a wintry month in Fort Carson, Colorado, with an average temperature fluctuating between 21.6°F (-5.8°C) and 39.2°F (4°C).

Temperature

The coldest time of the year is December, with temperatures averaging a high of 39.2°F (4°C) and a low of 21.6°F (-5.8°C).

Humidity

The average relative humidity in December in Fort Carson, Colorado, is 60%.

Rainfall

December is the month with the least rainfall. Rain falls for 5.4 days and accumulates 0.43" (11mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Fort Carson, in December, snow falls for 7.4 days, with typically accumulated 2.87" (73mm) of snow. Throughout the year, there are 45 snowfall days, and 23.5" (597mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December in Fort Carson, Colorado, sunrise is at 6:58 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:47 pm MST.

Sunshine

In Fort Carson, the average sunshine in December is 7.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Fort Carson?

December is the month that records the lowest temperatures in Fort Carson, with averages ranging from a high of 39.2°F (4°C) to a low of 21.6°F (-5.8°C).

How cold does it get in Fort Carson in December?

In December, the average high-temperature and low-temperature in Fort Carson are 39.2°F (4°C) and 21.6°F (-5.8°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 82.4°F (28°C).

What is the average humidity in December in Fort Carson?

In December, the average relative humidity is 60%.

What is the driest month in Fort Carson?

The month with the least rainfall in Fort Carson, Colorado, is December, when the rain falls for 5.4 days and typically collects 0.43" (11mm) of precipitation.

How many days does it rain in December in Fort Carson?

In Fort Carson, in December, it is raining for 5.4 days, with typically 0.43" (11mm) of accumulated precipitation.

How many days does it snow in December in Fort Carson?

In December, in Fort Carson, it is snowing for 7.4 days. Throughout December, 2.87" (73mm) of snow is accumulated.

What is the month with the shortest days in Fort Carson?

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

What is the average length of the day in December in Fort Carson?

In December, the average day length in Fort Carson, Colorado, is 9h and 31min.

When are sunrise and sunset in December in Fort Carson?

In December, on the first day of the month, sunrise is at 6:58 am and sunset at 4:37 pm. On the last day of the month, in Fort Carson, Colorado, sunrise is at 7:17 am and sunset at 4:47 pm MST.

How long on average sun shines in December in Fort Carson?

In Fort Carson, Colorado, the average sunshine duration in December is 7.1h.

When is the lowest UV index in Fort Carson?

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

What is the UV index reading in December in Fort Carson?

In December, the average daily maximum UV index in Fort Carson, Colorado, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Fort Carson, CO

Average temperature in December - Fort Carson, CO
  • Average high temperature in December: 39.2°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (39.2°F).

  • Average low temperature in December: 21.6°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

Average pressure in December
Fort Carson, CO

Average pressure in December - Fort Carson, CO
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.9"Hg).

Average wind speed in December
Fort Carson, CO

Average wind speed in December - Fort Carson, CO
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December
Fort Carson, CO

Average humidity in December - Fort Carson, CO
  • Average humidity in December: 60%

The month with the highest relative humidity is February (63%).
The month with the lowest relative humidity is June (41%).

Average rainfall in December
Fort Carson, CO

Average rainfall in December - Fort Carson, CO
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is December (0.43").

Average rainfall days in December
Fort Carson, CO

Average rainfall days in December - Fort Carson, CO
  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (4.4 days).

Average snowfall in December
Fort Carson, CO

Average snowfall in December - Fort Carson, CO
  • Average snowfall in December: 2.87"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Fort Carson, CO

Average snowfall days in December - Fort Carson, CO
  • Average snowfall days in December: 7.4 days

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Fort Carson, CO

Average daylight in December / Average sunshine in December - Fort Carson, CO
  • Average daylight in December: 9h and 3min

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: 7h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).

Average sunshine days in December
Fort Carson, CO

Average sunshine days in December - Fort Carson, CO
  • Average sunshine days in December: 21.4 days

The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in December
Fort Carson, CO

Average UV index in December - Fort Carson, CO
  • Average UV index in December: 2

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

Average cloud cover in December
Fort Carson, CO

Average cloud cover in December - Fort Carson, CO
  • Average cloud cover in December: 20

The month with the most cloud cover is April (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 15).

Average visibility in December
Fort Carson, CO

Average visibility in December - Fort Carson, 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).

Fort Carson, Colorado, USA

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