December weather forecast
Red Cliff, CO

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Weather in December

The first month of the winter, December, is also a subzero cold month in Red Cliff, Colorado, with an average temperature varying between 23.7°F (-4.6°C) and 2.3°F (-16.5°C).

Temperature

Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a cold 33.4°F (0.8°C) to a freezing cold 23.7°F (-4.6°C). Red Cliff's nights in December cool down to an average low-temperature of 2.3°F (-16.5°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In December, in Red Cliff, the rain falls for 4.1 days. Throughout December, 0.47" (12mm) of precipitation is accumulated. Throughout the year, there are 71.5 rainfall days, and 8.07" (205mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through December. In Red Cliff, Colorado, in December, during 11.3 snowfall days, 3.7" (94mm) of snow is typically accumulated. In Red Cliff, during the entire year, snow falls for 98.6 days and aggregates up to 43.82" (1113mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Red Cliff, Colorado.
On the first day of December, sunrise is at 7:07 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:51 pm MST.

Sunshine

In December, the average sunshine is 5.7h.

UV index

The month with the lowest UV index in Red Cliff is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Red Cliff?

The high-temperature in Red Cliff during December is 23.7°F (-4.6°C) and the low-temperature is 2.3°F (-16.5°C).

What is the average humidity in December in Red Cliff?

In December, the average relative humidity in Red Cliff, Colorado, is 85%.

How much does it rain in Red Cliff in December?

In December, in Red Cliff, Colorado, the rain falls for 4.1 days. Throughout December, 0.47" (12mm) of precipitation is accumulated.

How many days does it snow in December in Red Cliff?

In Red Cliff, Colorado, during December, snow falls for 11.3 days and regularly aggregates up to 3.7" (94mm) of snow.

What is the month with the shortest days in Red Cliff?

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

How many hours of daylight does Red Cliff have in December?

In December, the average day length in Red Cliff is 9h and 26min.

What time are sunrise and sunset in December in Red Cliff?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:42 pm. On the last day of the month, in Red Cliff, sunrise is at 7:25 am and sunset at 4:51 pm MST.

How many hours of sunshine does Red Cliff have in December?

In December, the average sunshine duration is 5.7h.

When is the lowest UV index in Red Cliff?

With an average maximum UV index of 1, December is the month with the lowest UV index in Red Cliff, Colorado.

How high is the UV index in December in Red Cliff?

In December, the average daily maximum UV index in Red Cliff, Colorado, is 1. A UV Index estimate 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
Red Cliff, CO

Average temperature in December - Red Cliff, CO
  • Average high temperature in December: 23.7°F

The warmest month (with the highest average high temperature) is July (69.4°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in December: 2.3°F

The month with the highest average low temperature is July (41.5°F).
The coldest month (with the lowest average low temperature) is January (0.7°F).

Average pressure in December
Red Cliff, CO

Average pressure in December - Red Cliff, CO
  • Average pressure in December: 30.17"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).

Average wind speed in December
Red Cliff, CO

Average wind speed in December - Red Cliff, CO
  • Average wind speed in December: 4.9mph

The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Red Cliff, CO

Average humidity in December - Red Cliff, CO
  • Average humidity in December: 85%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is June (51%).

Average rainfall in December
Red Cliff, CO

Average rainfall in December - Red Cliff, CO
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is May (1.38").
The driest month (with the least rainfall) is September (0.31").

Average rainfall days in December
Red Cliff, CO

Average rainfall days in December - Red Cliff, CO
  • Average rainfall days in December: 4.1 days

The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (2.7 days).

Average snowfall in December
Red Cliff, CO

Average snowfall in December - Red Cliff, CO
  • Average snowfall in December: 3.7"

The month with the highest snowfall is May (7.64").
The months with the least snowfall are July and August (0.04").

Average snowfall days in December
Red Cliff, CO

Average snowfall days in December - Red Cliff, CO
  • Average snowfall days in December: 11.3 days

The month with the highest number of snowfall days is April (14.2 days).
The month with the least snowfall days is July (0.2 days).

Average daylight in December /
Average sunshine in December
Red Cliff, CO

Average daylight in December / Average sunshine in December - Red Cliff, 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: 5h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).

Average sunshine days in December
Red Cliff, CO

Average sunshine days in December - Red Cliff, CO
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (12.9 days).

Average UV index in December
Red Cliff, CO

Average UV index in December - Red Cliff, CO
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Red Cliff, CO

Average cloud cover in December - Red Cliff, CO
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 15).

Average visibility in December
Red Cliff, CO

Average visibility in December - Red Cliff, CO
  • Average visibility in December: 4mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Red Cliff, Colorado, USA

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