December weather forecastCanton, SD
December
Weather in December
December concludes the year in Canton with the peak of winter season. The air is filled with holiday spirit, under a thick layer of snowfall amounting to 3.31" (84mm). Sunshine hours reduce to the year's lowest at 4.5 hours, allowing the glow of holiday lights to take over. Underneath the wintery overlays, the changing wind speeds settle at 9.9mph (15.9km/h). As family homes shine with festive cheer, the city rests in the calm of winter's grandeur.Temperature
With the onset of December, Canton's weather experiences a distinct temperature drop, moving from a frosty 43.7°F (6.5°C) in November to a subzero cold 28°F (-2.2°C). Canton throughout December, experiences an average nighttime temperature of 16.2°F (-8.8°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In December, in Canton, the rain falls for 4 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 119.2 rainfall days, and 21.73" (552mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Canton, in December, snow falls for 9.9 days, with typically accumulated 3.31" (84mm) of snow. In Canton, during the entire year, snow falls for 40.5 days and aggregates up to 16.77" (426mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:58 am and sunset at 5:00 pm CST.
Sunshine
In Canton, the average sunshine in December is 4.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Canton, SD
- Average high temperature in December: 28°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in December
Canton, 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 (29.86"Hg).
Average wind speed in December
Canton, SD
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Canton, SD
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Canton, SD
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (3.35").
The driest months (with the least rainfall) are January, February and November (0.67").
Average rainfall days in December
Canton, SD
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Canton, SD
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Canton, SD
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is December (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Canton, SD
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Canton, SD
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Canton, SD
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Canton, SD
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Canton, 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).





