December weather forecastClifton, CO
December
Weather in December
December, the first month of the winter in Clifton, is also an icy month, with an average temperature fluctuating between 19°F (-7.2°C) and 34.7°F (1.5°C).Temperature
December shows a mild decline in the average high-temperature, falling from November's chilly 46.9°F (8.3°C) to an icy 34.7°F (1.5°C). Throughout the nights in December, Clifton experiences an average low-temperature of 19°F (-7.2°C).Humidity
In December, the average relative humidity is 73%.Rainfall
In Clifton, in December, during 8.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Clifton, during the entire year, the rain falls for 127.9 days and collects up to 13.35" (339mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. 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 is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:01 pm MST.
Sunshine
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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Clifton, CO
- Average daylight in December: 9h and 30min
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 30min
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).
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).
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).
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).
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).
