December weather forecastRidgeville, SC
December
Weather in December
The first month of the winter, December, is still a mild month in Ridgeville, South Carolina, with an average temperature fluctuating between 43.5°F (6.4°C) and 59.9°F (15.5°C).Temperature
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from an enjoyable 65.7°F (18.7°C) in November to a mild 59.9°F (15.5°C). Throughout the month of December, Ridgeville witnesses an average low-temperature of 43.5°F (6.4°C).Humidity
August, September and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Ridgeville, during December, the rain falls for 7.8 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Ridgeville, during the entire year, the rain falls for 126.8 days and collects up to 13.19" (335mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:06 am and sunset at 5:14 pm. On the last day of December, in Ridgeville, sunrise is at 7:24 am and sunset at 5:24 pm EST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Ridgeville. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 3 transforms into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. 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 careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ridgeville, SC
- Average high temperature in December: 59.9°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 43.5°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in December
Ridgeville, SC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Ridgeville, SC
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Ridgeville, SC
- Average humidity in December: 77%
The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is January (72%).
Average rainfall in December
Ridgeville, SC
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Ridgeville, SC
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (5.3 days).
Average snowfall in December
Ridgeville, SC
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Ridgeville, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 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
Ridgeville, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Ridgeville, SC
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is October (23.1 days).
The month with the least sunshine days is August (10.2 days).
Average UV index in December
Ridgeville, SC
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Ridgeville, SC
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Ridgeville, SC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





