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
The shift from November to December involves a decrease in the average high-temperature, dropping from an icy 39°F (3.9°C) to a subzero cold 27.3°F (-2.6°C). Gunnison, in December, displays a significant temperature downturn during the night, with an average reading of 3.9°F (-15.6°C).Humidity
In Gunnison, Colorado, the average relative humidity in December is 83%.Rainfall
In Gunnison, in December, it is raining for 4.9 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 83.5 rainfall days, and 9.33" (237mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, August, October through December. In Gunnison, in December, snow falls for 11.8 days, with typically accumulated 6.5" (165mm) of snow. Throughout the year, there are 77.9 snowfall days, and 41.65" (1058mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:56 pm MST.
Sunshine
The average sunshine in December is 6.6h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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?
How many hours of daylight does Gunnison have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Gunnison have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Gunnison, CO
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (26.4°F).
- Average low temperature in December: 3.9°F
The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (1.9°F).
Average pressure in December
Gunnison, CO
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).
Average wind speed in December
Gunnison, CO
- Average wind speed in December: 4.5mph
The windiest months (with the highest average wind speed) are May and June (6.3mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).
Average humidity in December
Gunnison, CO
- Average humidity in December: 83%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (44%).
Average rainfall in December
Gunnison, CO
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is July (1.3").
The driest months (with the least rainfall) are September and November (0.55").
Average rainfall days in December
Gunnison, CO
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (2.5 days).
Average snowfall in December
Gunnison, CO
- Average snowfall in December: 6.5"
The month with the highest snowfall is February (6.97").
The months with the least snowfall are July and September (0").
Average snowfall days in December
Gunnison, CO
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is February (12.8 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Gunnison, CO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in December
Gunnison, CO
- Average sunshine days in December: 18.4 days
The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in December
Gunnison, CO
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Gunnison, CO
- Average cloud cover in December: 30
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are June and September (Cloud cover 12).
Average visibility in December
Gunnison, CO
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Gunnison, Colorado, USA
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