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
As November transitions to December, the average high-temperature falls from a chilly 45°F (7.2°C) to an icy 34.5°F (1.4°C). An average low-temperature of 15.3°F (-9.3°C) is observed during the December nights.Humidity
The average relative humidity in December is 68%.Rainfall
In December, the rain falls for 4.4 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 134.5 rainfall days, and 19.65" (499mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Deckers, in December, snow falls for 9.5 days, with typically accumulated 4.72" (120mm) of snow. In Deckers, during the entire year, snow falls for 60.9 days and aggregates up to 47.28" (1201mm) of snow.Daylight
The month with the shortest days in Deckers is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:48 pm MST.
Sunshine
In Deckers, the average sunshine in December is 6.9h.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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Deckers?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Deckers have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Deckers, CO
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 15.3°F
The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is February (15.1°F).
Average pressure in December
Deckers, CO
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.92"Hg).
Average wind speed in December
Deckers, CO
- Average wind speed in December: 6.7mph
The windiest months (with the highest average wind speed) are February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Deckers, CO
- Average humidity in December: 68%
The month with the highest relative humidity is February (73%).
The month with the lowest relative humidity is June (47%).
Average rainfall in December
Deckers, CO
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Deckers, CO
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is July (23.7 days).
The month with the least rainy days is November (3.5 days).
Average snowfall in December
Deckers, CO
- Average snowfall in December: 4.72"
The month with the highest snowfall is March (9.72").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Deckers, CO
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Deckers, CO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in December
Deckers, CO
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (4.3 days).
Average UV index in December
Deckers, 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
Deckers, CO
- Average cloud cover in December: 23
The month with the most cloud cover is April (Cloud cover 28).
The months with the least cloud cover are September, October and November (Cloud cover 17).
Average visibility in December
Deckers, 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).
Deckers, Colorado, USA
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