December weather forecastMonte Vista, CO
December
Weather in December
The first month of the winter, December, is also a wintry month in Monte Vista, Colorado, with an average temperature varying between 14°F (-10°C) and 32.4°F (0.2°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's chilly 44.6°F (7°C) to an icy 32.4°F (0.2°C). During December, Monte Vista's temperature averages to a subzero cold 14°F (-10°C) at night.Humidity
The average relative humidity in December is 73%.Rainfall
In Monte Vista, Colorado, in December, it is raining for 6.7 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in Monte Vista, there are 112.8 rainfall days, and 11.93" (303mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Monte Vista, in December, snow falls for 9.5 days, with typically accumulated 4.13" (105mm) of snow. In Monte Vista, during the entire year, snow falls for 56.6 days and aggregates up to 30.67" (779mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:56 pm MST.
Sunshine
In December, the average sunshine is 7h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. 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
Monte Vista, CO
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in December: 14°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Monte Vista, CO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is April (29.92"Hg).
Average wind speed in December
Monte Vista, CO
- Average wind speed in December: 4.4mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Monte Vista, CO
- Average humidity in December: 73%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (39%).
Average rainfall in December
Monte Vista, CO
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is November (0.43").
Average rainfall days in December
Monte Vista, CO
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in December
Monte Vista, CO
- Average snowfall in December: 4.13"
The month with the highest snowfall is March (5.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Monte Vista, CO
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Monte Vista, CO
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 54min).
Average sunshine days in December
Monte Vista, CO
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in December
Monte Vista, CO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Monte Vista, CO
- Average cloud cover in December: 22
The months with the most cloud cover are January and February (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 13).
Average visibility in December
Monte Vista, 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).





