December weather forecastColumbine Valley, CO
December
Weather in December
The first month of the winter, December, is also an icy month in Columbine Valley, Colorado, with an average temperature fluctuating between 41°F (5°C) and 21°F (-6.1°C).Temperature
Columbine Valley's December weather, marked by an average high temperature of 41°F (5°C) and an average low temperature of 21°F (-6.1°C), is the coldest in the year.Humidity
The average relative humidity in December is 60%.Rainfall
In Columbine Valley, in December, during 4.4 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, in Columbine Valley, Colorado, there are 101.2 rainfall days, and 11.89" (302mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Columbine Valley, it is snowing for 7 days. Throughout December, 4.06" (103mm) of snow is accumulated. Throughout the year, in Columbine Valley, there are 42.7 snowfall days, and 34.92" (887mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:02 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:46 pm MST.
Sunshine
In December, the average sunshine in Columbine Valley is 7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Columbine Valley. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 in December translates into these instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Columbine Valley, CO
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (41°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (21°F).
Average pressure in December
Columbine Valley, CO
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in December
Columbine Valley, CO
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is September (6mph).
Average humidity in December
Columbine Valley, CO
- Average humidity in December: 60%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall in December
Columbine Valley, CO
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Columbine Valley, CO
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3 days).
Average snowfall in December
Columbine Valley, CO
- Average snowfall in December: 4.06"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Columbine Valley, CO
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Columbine Valley, CO
- Average daylight in December: 9h and 24min
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: 7h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in December
Columbine Valley, CO
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Columbine Valley, CO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Columbine Valley, CO
- Average cloud cover in December: 21
The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in December
Columbine Valley, 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).





