December weather forecast
Cimarron, CO

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Weather in December

The first month of the winter, December, is also an icy month in Cimarron, Colorado, with temperature in the range of an average low of 18.5°F (-7.5°C) and an average high of 35.4°F (1.9°C).

Temperature

A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 47.8°F (8.8°C) in November to a wintry 35.4°F (1.9°C). During December, the average low-temperature is a subzero cold 18.5°F (-7.5°C).

Humidity

In Cimarron, the average relative humidity in December is 72%.

Rainfall

In December, in Cimarron, the rain falls for 8.5 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 104.5 rainfall days, and 9.84" (250mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Cimarron. December is the month with the most snowfall. Snow falls for 11.1 days and accumulates 6.22" (158mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:49 pm. On the last day of December, in Cimarron, Colorado, sunrise is at 7:27 am and sunset at 4:59 pm MST.

Sunshine

The average sunshine in December in Cimarron is 6.7h.

UV index

The months with the lowest UV index in Cimarron are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Cimarron?

In December, in Cimarron, the average high-temperature is 35.4°F (1.9°C), and the average low-temperature is 18.5°F (-7.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is appraised at 82.4°F (28°C).

What is the average humidity in December in Cimarron?

In Cimarron, the average relative humidity in December is 72%.

How many days does it rain in December in Cimarron?

In Cimarron, Colorado, in December, during 8.5 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

What is the snowiest month in Cimarron?

December is the month with the most snowfall in Cimarron, Colorado. Snow falls for 11.1 days and accumulates 6.22" (158mm) of snow.

How many days does it snow in December in Cimarron?

In December, in Cimarron, Colorado, it is snowing for 11.1 days. Throughout December, 6.22" (158mm) of snow is accumulated.

What is the month with the shortest days in Cimarron?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Cimarron, Colorado.

What is the average length of the day in December in Cimarron?

In Cimarron, Colorado, the average day length in December is 9h and 32min.

When is the sunrise / sunset in December in Cimarron?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:59 pm MST.

How many hours of sunshine does Cimarron have in December?

The average sunshine duration in December in Cimarron is 6.7h.

What are the months with the lowest UV index in Cimarron?

The months with the lowest UV index in Cimarron are January, February, October through December, with an average maximum UV index of 2.

What is the UV index reading in December in Cimarron?

In December, the average daily maximum UV index in Cimarron is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Cimarron, CO

Average temperature in December - Cimarron, CO
  • Average high temperature in December: 35.4°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in December
Cimarron, CO

Average pressure in December - Cimarron, CO
  • Average pressure in December: 30.18"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).

Average wind speed in December
Cimarron, CO

Average wind speed in December - Cimarron, CO
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).

Average humidity in December
Cimarron, CO

Average humidity in December - Cimarron, CO
  • Average humidity in December: 72%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is June (32%).

Average rainfall in December
Cimarron, CO

Average rainfall in December - Cimarron, CO
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is March (1.18").
The driest month (with the least rainfall) is June (0.47").

Average rainfall days in December
Cimarron, CO

Average rainfall days in December - Cimarron, CO
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is April (12.4 days).
The month with the least rainy days is November (6.1 days).

Average snowfall in December
Cimarron, CO

Average snowfall in December - Cimarron, CO
  • Average snowfall in December: 6.22"

The month with the highest snowfall is December (6.22").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Cimarron, CO

Average snowfall days in December - Cimarron, CO
  • Average snowfall days in December: 11.1 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Cimarron, CO

Average daylight in December / Average sunshine in December - Cimarron, 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: 6h and 4min

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 18min).

Average sunshine days in December
Cimarron, CO

Average sunshine days in December - Cimarron, CO
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is April (13.3 days).

Average UV index in December
Cimarron, CO

Average UV index in December - Cimarron, CO
  • Average UV index in December: 2

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

Average cloud cover in December
Cimarron, CO

Average cloud cover in December - Cimarron, CO
  • Average cloud cover in December: 29

The months with the most cloud cover are January and February (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 11).

Average visibility in December
Cimarron, CO

Average visibility in December - Cimarron, CO
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Cimarron, Colorado, USA

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