December weather forecastMud Butte, SD
December
Weather in December
December, the first month of the winter in Mud Butte, is still a freezing cold month, with an average temperature fluctuating between 16.2°F (-8.8°C) and 28.2°F (-2.1°C).Temperature
As Mud Butte, South Dakota, welcomes December, the average high-temperature witnesses a distinct drop, moving from a frosty 43.3°F (6.3°C) in November to a freezing cold 28.2°F (-2.1°C). Mud Butte, during the month of December, experiences an average low-temperature of 16.2°F (-8.8°C).Humidity
In December, the average relative humidity in Mud Butte is 80%.Rainfall
In Mud Butte, in December, during 4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 99.7 rainfall days, and 16.06" (408mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Mud Butte, it is snowing for 10.4 days. Throughout December, 3.31" (84mm) of snow is accumulated. Throughout the year, in Mud Butte, there are 58.3 snowfall days, and 22.95" (583mm) of snow is accumulated.Daylight
The month with the shortest days in Mud Butte is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:11 pm. On the last day of December, in Mud Butte, South Dakota, sunrise is at 7:29 am and sunset at 4:20 pm MST.
Sunshine
In December, the average sunshine is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mud Butte. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. 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
Mud Butte, SD
- Average high temperature in December: 28.2°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in December
Mud Butte, SD
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Mud Butte, SD
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest months (with the lowest average wind speed) are February and August (10.4mph).
Average humidity in December
Mud Butte, SD
- Average humidity in December: 80%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall in December
Mud Butte, SD
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Mud Butte, SD
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is May (14.7 days).
The months with the least rainy days are January and February (3.3 days).
Average snowfall in December
Mud Butte, SD
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mud Butte, SD
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mud Butte, SD
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Mud Butte, SD
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is April (12.4 days).
Average UV index in December
Mud Butte, SD
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Mud Butte, SD
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in December
Mud Butte, SD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





