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
Gypsum's December weather comes with a decrease in average high-temperatures, moving from a cold 38.5°F (3.6°C) in November to a subzero cold 27.5°F (-2.5°C). The average low-temperature during December nights is a frigid cold 7.7°F (-13.5°C).Humidity
In Gypsum, the average relative humidity in December is 84%.Rainfall
In Gypsum, in December, during 9.1 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Gypsum, during the entire year, the rain falls for 143.9 days and collects up to 18.54" (471mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Gypsum, in December, during 16.9 snowfall days, 11.81" (300mm) of snow is typically accumulated. Throughout the year, there are 99 snowfall days, and 71.06" (1805mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:53 pm MST.
Sunshine
In December, the average sunshine in Gypsum is 6.2h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. 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
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December in Gypsum?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Gypsum, CO
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 7.7°F
The month with the highest average low temperature is July (44.2°F).
The coldest month (with the lowest average low temperature) is January (4.6°F).
Average pressure in December
Gypsum, 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 (29.94"Hg).
Average wind speed in December
Gypsum, CO
- Average wind speed in December: 4.4mph
The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in December
Gypsum, CO
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is June (49%).
Average rainfall in December
Gypsum, CO
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is April (2.36").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in December
Gypsum, CO
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (5.8 days).
Average snowfall in December
Gypsum, CO
- Average snowfall in December: 11.81"
The month with the highest snowfall is February (13.74").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Gypsum, CO
- Average snowfall days in December: 16.9 days
The month with the highest number of snowfall days is February (18.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Gypsum, CO
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Gypsum, CO
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is April (6.2 days).
Average UV index in December
Gypsum, CO
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Gypsum, CO
- Average cloud cover in December: 36
The month with the most cloud cover is February (Cloud cover 43).
The months with the least cloud cover are June and September (Cloud cover 14).
Average visibility in December
Gypsum, CO
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Gypsum, Colorado, USA
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