December weather forecastJonesville, SC
December
Weather in December
December, the first month of the winter in Jonesville, is still a cool month, with an average temperature ranging between max 53.4°F (11.9°C) and min 38.3°F (3.5°C).Temperature
With the onset of December, Jonesville's climate undergoes a slight change as the average high-temperature moves from a mild 60.3°F (15.7°C) in November to a cool 53.4°F (11.9°C). In December, Jonesville's temperature tends to fall to an average low of 38.3°F (3.5°C) during the night.Humidity
With an average relative humidity of 76%, December is the most humid month in Jonesville.Rainfall
The month with the most rainfall is December, when the rain falls for 10.8 days and typically aggregates up to 3.43" (87mm) of precipitation.Snowfall
January through March and December are months with snowfall in Jonesville. The month with the most snowfall is December, when snow falls for 0.4 days and typically aggregates up to 2.2" (56mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Jonesville, South Carolina.On the first day of December, sunrise is at 7:16 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:25 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jonesville, SC
- Average high temperature in December: 53.4°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in December
Jonesville, SC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Jonesville, SC
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Jonesville, SC
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Jonesville, SC
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Jonesville, SC
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is August (16.6 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in December
Jonesville, SC
- Average snowfall in December: 2.2"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Jonesville, SC
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Jonesville, SC
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 24min
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 24min).
Average sunshine days in December
Jonesville, SC
- Average sunshine days in December: 19 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in December
Jonesville, SC
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Jonesville, SC
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in December
Jonesville, 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).





