December weather forecastConejos, CO
December
Weather in December
The first month of the winter, December, is still a cold month in Conejos, Colorado, with an average temperature varying between 15.4°F (-9.2°C) and 33.8°F (1°C).Temperature
As December begins, there is a decrease in the average high-temperature, falling from a chilly 46.2°F (7.9°C) in November to an icy 33.8°F (1°C). Conejos records a steady low-temperature average of 15.4°F (-9.2°C) during December.Humidity
In December, the average relative humidity in Conejos is 72%.Rainfall
November and December are months with the least rain when the rain falls for 6.1 days and typically aggregates up to 0.39" (10mm) of rain.Snowfall
January through May, September through December are months with snowfall. In December, it is snowing for 8.5 days. Throughout December, 3.19" (81mm) of snow is accumulated. In Conejos, during the entire year, snow falls for 44.9 days and aggregates up to 22.6" (574mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:57 pm MST.
Sunshine
In Conejos, Colorado, the average sunshine in December is 7h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Conejos, CO
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in December
Conejos, CO
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in December
Conejos, CO
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Conejos, CO
- Average humidity in December: 72%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).
Average rainfall in December
Conejos, CO
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.02").
The driest months (with the least rainfall) are November and December (0.39").
Average rainfall days in December
Conejos, CO
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (3 days).
Average snowfall in December
Conejos, CO
- Average snowfall in December: 3.19"
The month with the highest snowfall is March (3.98").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Conejos, CO
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Conejos, CO
- Average daylight in December: 9h and 42min
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: 7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in December
Conejos, CO
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is April (16.9 days).
Average UV index in December
Conejos, 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, October, November and December (UV index 2).
Average cloud cover in December
Conejos, CO
- Average cloud cover in December: 22
The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 12).
Average visibility in December
Conejos, 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).





