December weather forecastCorsica, SD
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Corsica, South Dakota, with an average temperature varying between 29.5°F (-1.4°C) and 17.1°F (-8.3°C).Temperature
The onset of December brings a clear temperature shift, with the average high-temperature decreasing from a frosty 45.7°F (7.6°C) in November to a freezing cold 29.5°F (-1.4°C). An average low-temperature of 17.1°F (-8.3°C) is expected in Corsica during December.Humidity
In December, the average relative humidity is 82%.Rainfall
In Corsica, in December, it is raining for 2.9 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, in Corsica, there are 106.8 rainfall days, and 19.29" (490mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Corsica. December is the month with the most snowfall. Snow falls for 7.5 days and accumulates 2.56" (65mm) of snow.Daylight
The month with the shortest days in Corsica, South Dakota, is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:47 am and sunset at 4:58 pm. On the last day of December, in Corsica, sunrise is at 8:06 am and sunset at 5:07 pm CST.
Sunshine
In Corsica, the average sunshine in December is 4.7h.UV index
The months with the lowest UV index in Corsica are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Corsica, SD
- Average high temperature in December: 29.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in December: 17.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in December
Corsica, 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 (29.85"Hg).
Average wind speed in December
Corsica, SD
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in December
Corsica, SD
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (63%).
Average rainfall in December
Corsica, SD
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Corsica, SD
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in December
Corsica, SD
- Average snowfall in December: 2.56"
The month with the highest snowfall is December (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Corsica, SD
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Corsica, 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 42min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Corsica, SD
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Corsica, SD
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Corsica, SD
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in December
Corsica, 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).
