December weather forecastColumbine, CO
December
Weather in December
December, the first month of the winter in Columbine, is also an icy month, with an average temperature varying between 40.3°F (4.6°C) and 20.1°F (-6.6°C).Temperature
December is the coldest month, with an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 20.1°F (-6.6°C).Humidity
The average relative humidity in December is 61%.Rainfall
In Columbine, during December, the rain falls for 3 days and regularly aggregates up to 0.28" (7mm) of precipitation. In Columbine, Colorado, during the entire year, the rain falls for 76.4 days and collects up to 7.09" (180mm) of precipitation.Snowfall
Months with snowfall in Columbine are January through May, October through December. In Columbine, in December, during 5.6 snowfall days, 2.2" (56mm) of snow is typically accumulated. In Columbine, during the entire year, snow falls for 33.9 days and aggregates up to 19.53" (496mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:36 pm. On the last day of December, in Columbine, sunrise is at 7:20 am and sunset at 4:46 pm MST.
Sunshine
In Columbine, the average sunshine in December is 7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Columbine, CO
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (40.3°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is February (19.9°F).
Average pressure in December
Columbine, 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, CO
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Columbine, CO
- Average humidity in December: 61%
The month with the highest relative humidity is February (66%).
The months with the lowest relative humidity are June and September (43%).
Average rainfall in December
Columbine, CO
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in December
Columbine, CO
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is November (2 days).
Average snowfall in December
Columbine, CO
- Average snowfall in December: 2.2"
The month with the highest snowfall is March (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Columbine, CO
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Columbine, 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 54min).
Average sunshine days in December
Columbine, CO
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is October (24.8 days).
The month with the least sunshine days is July (14.6 days).
Average UV index in December
Columbine, 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, 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, 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).





