December weather forecastYampa, CO
December
Weather in December
December, the first month of the winter in Yampa, is still a freezing cold month, with an average temperature fluctuating between 7.3°F (-13.7°C) and 25°F (-3.9°C).Temperature
December, noted for its average high-temperature of 25°F (-3.9°C) and an average low-temperature of 7.3°F (-13.7°C), is considered the coldest month.Humidity
The average relative humidity in December in Yampa, Colorado, is 86%.Rainfall
In Yampa, in December, it is raining for 7.2 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 126.2 rainfall days, and 26.97" (685mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In December, it is snowing for 20.5 days. Throughout December, 16.97" (431mm) of snow is accumulated. In Yampa, during the entire year, snow falls for 145.9 days and aggregates up to 139.69" (3548mm) of snow.Daylight
The month with the shortest days in Yampa is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:52 pm MST.
Sunshine
In December, the average sunshine is 5.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Yampa, CO
- Average high temperature in December: 25°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (25°F).
- Average low temperature in December: 7.3°F
The month with the highest average low temperature is July (45.1°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in December
Yampa, CO
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is May (29.93"Hg).
Average wind speed in December
Yampa, CO
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in December
Yampa, CO
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is June (53%).
Average rainfall in December
Yampa, CO
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (3.31").
The driest months (with the least rainfall) are September and November (1.61").
Average rainfall days in December
Yampa, CO
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Yampa, CO
- Average snowfall in December: 16.97"
The month with the highest snowfall is April (22.72").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Yampa, CO
- Average snowfall days in December: 20.5 days
The month with the highest number of snowfall days is February (21.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Yampa, 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: 5h and 36min
The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Yampa, CO
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is April (5.3 days).
Average UV index in December
Yampa, CO
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Yampa, CO
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, August and September (Cloud cover 16).
Average visibility in December
Yampa, CO
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





