Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
During the transition into December, Las Mesitas observes a decrease in the average high-temperature, falling from an icy 41°F (5°C) in November to a freezing cold 29.7°F (-1.3°C). The temperature dips to an average of 11.1°F (-11.6°C) during December nights.Humidity
In December, the average relative humidity is 81%.Rainfall
In Las Mesitas, during December, the rain falls for 4.3 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Las Mesitas, during the entire year, the rain falls for 109 days and collects up to 22.8" (579mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Las Mesitas, in December, snow falls for 14.5 days, with typically accumulated 12.95" (329mm) of snow. Throughout the year, there are 87.5 snowfall days, and 75.04" (1906mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Las Mesitas.On the first day of the month, sunrise is at 6:59 am and sunset at 4:47 pm. On the last day of December, in Las Mesitas, Colorado, sunrise is at 7:17 am and sunset at 4:57 pm MST.
Sunshine
The average sunshine in December is 5.8h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Las Mesitas?
What is the average humidity in December in Las Mesitas?
How much does it rain in Las Mesitas in December?
How much does it snow in Las Mesitas in December?
What is the month with the shortest days in Las Mesitas?
How many hours of daylight does Las Mesitas have in December?
When is the sunrise / sunset in December in Las Mesitas?
How long on average sun shines in December in Las Mesitas?
What is the month with the lowest UV index in Las Mesitas?
What is the UV index reading in December in Las Mesitas?
Average temperature in December
Las Mesitas, CO
- Average high temperature in December: 29.7°F
The warmest month (with the highest average high temperature) is July (73.8°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 11.1°F
The month with the highest average low temperature is July (46.8°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in December
Las Mesitas, CO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in December
Las Mesitas, CO
- Average wind speed in December: 5.1mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest months (with the lowest average wind speed) are January, July and August (4.7mph).
Average humidity in December
Las Mesitas, CO
- Average humidity in December: 81%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is June (42%).
Average rainfall in December
Las Mesitas, CO
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is June (1.22").
Average rainfall days in December
Las Mesitas, CO
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (2.1 days).
Average snowfall in December
Las Mesitas, CO
- Average snowfall in December: 12.95"
The month with the highest snowfall is March (14.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Las Mesitas, CO
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Las Mesitas, CO
- Average daylight in December: 9h and 4min
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 42min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Las Mesitas, CO
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Las Mesitas, CO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Las Mesitas, CO
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in December
Las Mesitas, CO
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Las Mesitas, Colorado, USA
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