December weather forecastChamberlain, SD
December
Weather in December
December, the final month of the year, is characterized by the full swing of winter weather in Chamberlain, South Dakota. The dipping temperatures along with the increase in snowfall paints the city white. December brings back the same cold and windy conditions experienced at the beginning of the year. The substantially low temperatures and frequent snowfall mark the peak of the winter season in the city. Despite the cold, the festive spirit of Christmas and New Year lightens up the mood in Chamberlain, making December an exciting time of the year.Temperature
With the onset of December, Chamberlain experiences a noticeable temperature shift, with the average high-temperature receding from a chilly 45.5°F (7.5°C) in November to a freezing cold 29.1°F (-1.6°C). Chamberlain registers a consistent average low-temperature of 16.9°F (-8.4°C) during December.Humidity
In Chamberlain, the average relative humidity in December is 82%.Rainfall
In Chamberlain, in December, during 3.9 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Chamberlain, there are 107.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Chamberlain, in December, snow falls for 9.6 days, with typically accumulated 3.07" (78mm) of snow. Throughout the year, in Chamberlain, there are 50.9 snowfall days, and 17.87" (454mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Chamberlain.On the first day of December in Chamberlain, sunrise is at 7:52 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:10 pm CST.
Sunshine
The average sunshine in December in Chamberlain, South Dakota, is 4.9h.UV index
In December, the average daily maximum UV index in Chamberlain is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chamberlain, SD
- Average high temperature in December: 29.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 16.9°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Chamberlain, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Chamberlain, SD
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in December
Chamberlain, SD
- Average humidity in December: 82%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).
Average rainfall in December
Chamberlain, SD
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days in December
Chamberlain, SD
- Average rainfall days in December: 3.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Chamberlain, SD
- Average snowfall in December: 3.07"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Chamberlain, SD
- Average snowfall days in December: 9.6 days
The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chamberlain, SD
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Chamberlain, SD
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in December
Chamberlain, 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 February (UV index 1).
Average cloud cover in December
Chamberlain, SD
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Chamberlain, 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).





