December weather forecastVernon, CO
December
Weather in December
The first month of the winter, December, is also a wintry month in Vernon, Colorado, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 23.9°F (-4.5°C).Temperature
The coldest temperatures occur during December, when averages reach a peak of 40.6°F (4.8°C) and a low of 23.9°F (-4.5°C).Humidity
January, February and December, with an average relative humidity of 63%, are the most humid months.Rainfall
The months with the least rainfall are January, February and December Rain falls for 1.8 days and accumulates 0.28" (7mm) of rain.Snowfall
Months with snowfall are January through May, September through December. In Vernon, in December, snow falls for 3.3 days, with typically accumulated 1.3" (33mm) of snow. In Vernon, during the entire year, snow falls for 22.8 days and aggregates up to 10.08" (256mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:10 am and sunset at 4:34 pm MST.
Sunshine
The average sunshine in December in Vernon is 6.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Vernon. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vernon, CO
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is December (40.6°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in December
Vernon, CO
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in December
Vernon, CO
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in December
Vernon, CO
- Average humidity in December: 63%
The months with the highest relative humidity are January, February and December (63%).
The months with the lowest relative humidity are July and September (49%).
Average rainfall in December
Vernon, CO
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January, February and December (0.28").
Average rainfall days in December
Vernon, CO
- Average rainfall days in December: 1.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (1.8 days).
Average snowfall in December
Vernon, CO
- Average snowfall in December: 1.3"
The month with the highest snowfall is October (1.93").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Vernon, CO
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Vernon, CO
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 6h and 24min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in December
Vernon, CO
- Average sunshine days in December: 26 days
The month with the most sunshine days is December (26 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Vernon, CO
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Vernon, CO
- Average cloud cover in December: 30
The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Vernon, 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).
