December weather forecast
Clifton, CO

Share

Weather in December

December, the first month of the winter in Clifton, is also an icy month, with an average temperature fluctuating between 34.7°F (1.5°C) and 19°F (-7.2°C).

Temperature

Clifton's December weather shows a moderate shift in high-temperatures, falling from November's chilly 46.9°F (8.3°C) to an icy 34.7°F (1.5°C). December sees the temperature falling to a mean low of 19°F (-7.2°C).

Humidity

The average relative humidity in December in Clifton is 73%.

Rainfall

In Clifton, in December, during 8.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in Clifton, there are 127.9 rainfall days, and 13.35" (339mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 8.7 days and accumulates 5.39" (137mm) of snow.

Daylight

The month with the shortest days in Clifton, Colorado, is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:14 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:01 pm MST.

Sunshine

In Clifton, Colorado, the average sunshine in December is 6.5h.

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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
[Resources]

Frequently asked questions

How cold is December in Clifton?

December temperatures vary between a high-temperature of 34.7°F (1.5°C) and a low-temperature of 19°F (-7.2°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 82.4°F (28°C).

What is the average humidity in December in Clifton?

The average relative humidity in December in Clifton is 73%.

How many days does it rain in December in Clifton?

In Clifton, Colorado, during December, the rain falls for 8.1 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When does it snow the most in Clifton?

The month with the most snowfall is December, when snow falls for 8.7 days and typically aggregates up to 5.39" (137mm) of snow.

How many days does it snow in December in Clifton?

In Clifton, Colorado, in December, snow falls for 8.7 days, with typically accumulated 5.39" (137mm) of snow.

What is the month with the shortest days in Clifton?

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

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

In December, the average day length in Clifton, Colorado, is 9h and 29min.

When are sunrise and sunset in December in Clifton?

On the first day of December, sunrise is at 7:14 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:01 pm MST.

How long on average sun shines in December in Clifton?

The average sunshine duration in December in Clifton, Colorado, is 6.5h.

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

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

How high is the UV index in December in Clifton?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Clifton, CO

Average temperature in December - Clifton, CO
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in December: 19°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

[Resources]

Average pressure in December
Clifton, CO

Average pressure in December - Clifton, CO
  • Average pressure in December: 30.2"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.91"Hg).

[Resources]

Average wind speed in December
Clifton, CO

Average wind speed in December - Clifton, CO
  • Average wind speed in December: 4.4mph

The windiest month (with the highest average wind speed) is June (7.2mph).
The calmest month (with the lowest average wind speed) is January (4.1mph).

[Resources]

Average humidity in December
Clifton, CO

Average humidity in December - Clifton, CO
  • Average humidity in December: 73%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (32%).

[Resources]

Average rainfall in December
Clifton, CO

Average rainfall in December - Clifton, CO
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is March (1.42").
The driest month (with the least rainfall) is November (0.79").

[Resources]

Average rainfall days in December
Clifton, CO

Average rainfall days in December - Clifton, CO
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is November (7 days).

[Resources]

Average snowfall in December
Clifton, CO

Average snowfall in December - Clifton, CO
  • Average snowfall in December: 5.39"

The month with the highest snowfall is December (5.39").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Clifton, CO

Average snowfall days in December - Clifton, CO
  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

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

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 30min).

  • Average sunshine in December: 6h and 3min

The months with the most sunshine are June and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).

[Resources]

Average sunshine days in December
Clifton, CO

Average sunshine days in December - Clifton, CO
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (11.2 days).

[Resources]

Average UV index in December
Clifton, CO

Average UV index in December - Clifton, 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).

[Resources]

Average cloud cover in December
Clifton, CO

Average cloud cover in December - Clifton, CO
  • Average cloud cover in December: 30

The months with the most cloud cover are January and February (Cloud cover 33).
The months with the least cloud cover are June and September (Cloud cover 12).

[Resources]

Average visibility in December
Clifton, CO

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

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

[Resources]

Clifton, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location