December weather forecastPrairie City, SD
December
Weather in December
December, the first month of the winter in Prairie City, is still a freezing cold month, with an average temperature ranging between max 26.2°F (-3.2°C) and min 14.4°F (-9.8°C).Temperature
As December arrives, Prairie City's weather displays a notable decrease in high-temperatures, falling from November's cold 41.2°F (5.1°C) to a freezing cold 26.2°F (-3.2°C). Prairie City experiences an average low-temperature of 14.4°F (-9.8°C) in month of December.Humidity
In Prairie City, the average relative humidity in December is 82%.Rainfall
In Prairie City, South Dakota, in December, it is raining for 4 days, with typically 0.59" (15mm) of accumulated precipitation. In Prairie City, during the entire year, the rain falls for 104.8 days and collects up to 15.2" (386mm) of precipitation.Snowfall
Months with snowfall are January through June, October through December. In Prairie City, during December, snow falls for 12.5 days and regularly aggregates up to 3.03" (77mm) of snow. Throughout the year, there are 67.2 snowfall days, and 24.69" (627mm) of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Prairie City.On the first day of December, sunrise is at 7:11 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:17 pm MST.
Sunshine
The average sunshine in December is 4.9h.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Prairie City, SD
- Average high temperature in December: 26.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in December
Prairie City, SD
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Prairie City, SD
- Average wind speed in December: 11.1mph
The windiest months (with the highest average wind speed) are January and October (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in December
Prairie City, SD
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
Prairie City, SD
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in December
Prairie City, SD
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is November (3 days).
Average snowfall in December
Prairie City, SD
- Average snowfall in December: 3.03"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are July, August and September (0").
Average snowfall days in December
Prairie City, SD
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Prairie City, 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: 4h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Prairie City, SD
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in December
Prairie City, SD
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Prairie City, SD
- Average cloud cover in December: 50
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in December
Prairie City, 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).





