Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
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.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
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 3min
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).
Canton, South Dakota, USA
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