December weather forecastSheldon, SC
December
Weather in December
December, the first month of the winter in Sheldon, is still a refreshing month, with an average temperature varying between 61.5°F (16.4°C) and 47.3°F (8.5°C).Temperature
The beginning of December brings a slight decrease in the average high-temperature, transitioning from a refreshing 66.9°F (19.4°C) in November to a still comfortable 61.5°F (16.4°C). Sheldon records an average low of 47.3°F (8.5°C) throughout the nights in December.Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
In Sheldon, in December, during 11.3 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 166.9 rainfall days, and 33.9" (861mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
The month with the shortest days in Sheldon is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:27 pm EST.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year in Sheldon.UV index
In December, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 4 in December transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sheldon, SC
- Average high temperature in December: 61.5°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in December: 47.3°F
The months with the highest average low temperature are July and August (75.6°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).
Average pressure in December
Sheldon, SC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Sheldon, SC
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Sheldon, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (71%).
Average rainfall in December
Sheldon, SC
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in December
Sheldon, SC
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Sheldon, SC
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Sheldon, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Sheldon, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Sheldon, SC
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (5.2 days).
Average UV index in December
Sheldon, SC
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Sheldon, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Sheldon, SC
- 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).





