December weather forecastCentral City, SD
December
Weather in December
December brings with it the festive season and the return of full-blown winter in Central City. The weather in December represents winter's harshness, with temperatures dipping lower than those in November. As Christmas approaches, snowfall can accumulate up to an average of 3.78" (96mm), painting the city in a stunning white canvas. Short daylight hours and long nights are prevalent in December, lending a magical charm to the holiday decorations throughout. Despite the cold, the city embraces the winter chill with warm holiday spirit.Temperature
The coldest period tends to be December, when average temperatures fluctuate between a high of 29.7°F (-1.3°C) and a low of 16.7°F (-8.5°C).Humidity
In Central City, the average relative humidity in December is 77%.Rainfall
In Central City, in December, during 4.2 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Central City, during the entire year, the rain falls for 96.1 days and collects up to 14.02" (356mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Central City, in December, snow falls for 10.1 days, with typically accumulated 3.78" (96mm) of snow. Throughout the year, there are 66.6 snowfall days, and 34.53" (877mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:25 pm MST.
Sunshine
The average sunshine in December in Central City is 6h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Central City, SD
- Average high temperature in December: 29.7°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in December: 16.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (15.4°F).
Average pressure in December
Central City, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Central City, SD
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in December
Central City, SD
- Average humidity in December: 77%
The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in December
Central City, SD
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Central City, SD
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in December
Central City, SD
- Average snowfall in December: 3.78"
The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Central City, SD
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Central City, SD
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in December
Central City, SD
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Central City, SD
- 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, March, October, November and December (UV index 2).
Average cloud cover in December
Central City, SD
- Average cloud cover in December: 37
The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Central City, SD
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





