December weather forecastGunnison, UT
December
Weather in December
The first month of the winter, December, is still a cold month in Gunnison, Utah, with an average temperature fluctuating between 33.6°F (0.9°C) and 17.2°F (-8.2°C).Temperature
In Gunnison, the beginning of December is marked by a lowered average high-temperature, shifting from November's chilly 45.5°F (7.5°C) to an icy 33.6°F (0.9°C). Gunnison anticipates an average minimum temperature of 17.2°F (-8.2°C) in the month of December.Humidity
In December, the average relative humidity in Gunnison is 77%.Rainfall
In Gunnison, Utah, in December, it is raining for 9.9 days, with typically 1.42" (36mm) of accumulated precipitation. In Gunnison, during the entire year, the rain falls for 108.6 days and collects up to 12.72" (323mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 12.7 days and typically aggregates up to 8.62" (219mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Gunnison.On the first day of December, sunrise is at 7:28 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:14 pm MST.
Sunshine
In December, the average sunshine in Gunnison is 6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Gunnison, Utah. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gunnison, UT
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 17.2°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in December
Gunnison, UT
- 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 June (29.84"Hg).
Average wind speed in December
Gunnison, UT
- Average wind speed in December: 4.9mph
The windiest months (with the highest average wind speed) are April and June (6.6mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in December
Gunnison, UT
- Average humidity in December: 77%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (32%).
Average rainfall in December
Gunnison, UT
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is March (1.69").
The driest month (with the least rainfall) is June (0.35").
Average rainfall days in December
Gunnison, UT
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is April (12.9 days).
The month with the least rainy days is June (4.5 days).
Average snowfall in December
Gunnison, UT
- Average snowfall in December: 8.62"
The month with the highest snowfall is December (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gunnison, UT
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gunnison, UT
- Average daylight in December: 9h and 30min
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 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Gunnison, UT
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is June (23 days).
The month with the least sunshine days is February (12.5 days).
Average UV index in December
Gunnison, UT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Gunnison, UT
- Average cloud cover in December: 37
The months with the most cloud cover are January and December (Cloud cover 37).
The months with the least cloud cover are August and September (Cloud cover 10).
Average visibility in December
Gunnison, UT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





