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 December arrives, South Fork's weather displays a decrease in high-temperatures, transitioning from November's wintry 40.1°F (4.5°C) to a freezing cold 28.6°F (-1.9°C). South Fork experiences an average low-temperature of 9.5°F (-12.5°C) in the month of December.Humidity
In December, the average relative humidity is 78%.Rainfall
In South Fork, in December, during 5.3 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, there are 116.8 rainfall days, and 17.01" (432mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In South Fork, Colorado, during December, snow falls for 11.8 days and regularly aggregates up to 6.22" (158mm) of snow. In South Fork, during the entire year, snow falls for 78.8 days and aggregates up to 51.85" (1317mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:58 pm MST.
Sunshine
In South Fork, Colorado, the average sunshine in December is 6.4h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 during December translates 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. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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 much does it rain in December?
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?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
South Fork, CO
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (71.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 9.5°F
The month with the highest average low temperature is July (45.5°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in December
South Fork, CO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is April (29.93"Hg).
Average wind speed in December
South Fork, CO
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in December
South Fork, CO
- Average humidity in December: 78%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is June (42%).
Average rainfall in December
South Fork, CO
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in December
South Fork, CO
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is November (3 days).
Average snowfall in December
South Fork, CO
- Average snowfall in December: 6.22"
The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").
Average snowfall days in December
South Fork, CO
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
South Fork, CO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in December
South Fork, CO
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is July (5.6 days).
Average UV index in December
South Fork, CO
- Average UV index in December: 2
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, March, April, October, November and December (UV index 2).
Average cloud cover in December
South Fork, CO
- Average cloud cover in December: 33
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in December
South Fork, CO
- 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).
South Fork, Colorado, USA
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