December weather forecastKarval, CO
December
Weather in December
December, the first month of the winter in Karval, is also an icy month, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 39°F (3.9°C).Temperature
In Karval, the lowest average temperatures are observed in December, with a high of 39°F (3.9°C) and a low of 22.3°F (-5.4°C).Humidity
In December, the average relative humidity is 60%.Rainfall
The month with the least rainfall is December, when the rain falls for 2.5 days and typically collects 0.2" (5mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Karval, in December, during 3.5 snowfall days, 0.75" (19mm) of snow is typically accumulated. In Karval, during the entire year, snow falls for 26.7 days and aggregates up to 9.02" (229mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 6:53 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:42 pm MST.
Sunshine
In Karval, the average sunshine in December is 6.8h.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 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:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Karval, CO
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (39°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).
Average pressure in December
Karval, CO
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and December (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Karval, CO
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in December
Karval, CO
- Average humidity in December: 60%
The month with the highest relative humidity is February (63%).
The months with the lowest relative humidity are June and September (46%).
Average rainfall in December
Karval, CO
- Average rainfall in December: 0.2"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.2").
Average rainfall days in December
Karval, CO
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (1.7 days).
Average snowfall in December
Karval, CO
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Karval, CO
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Karval, CO
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 48min
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 36min).
Average sunshine days in December
Karval, CO
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in December
Karval, 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
Karval, CO
- Average cloud cover in December: 25
The months with the most cloud cover are February and April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 16).
Average visibility in December
Karval, 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).





