December weather forecastOak Grove, SC
December
Weather in December
The first month of the winter, December, is still a refreshing month in Oak Grove, South Carolina, with temperature in the range of an average low of 41.2°F (5.1°C) and an average high of 56.1°F (13.4°C).Temperature
Oak Grove's weather subtly changes with the onset of December, barely falling from an enjoyable 61.9°F (16.6°C) in November to a mild 56.1°F (13.4°C). Oak Grove observes an average low-temperature of 41.2°F (5.1°C) during December nights.Humidity
With an average relative humidity of 76%, December is the most humid month.Rainfall
December is the month with the most rainfall in Oak Grove. Rain falls for 11.8 days and accumulates 3.43" (87mm) of precipitation.Snowfall
January through March and December are months with snowfall in Oak Grove. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Oak Grove, during the entire year, snow falls for 1.8 days and aggregates up to 1.5" (38mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:26 pm EST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 during December translates into the following guidance:
Make use of precautions - Shielding skin and eyes from injury is a requirement. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oak Grove, SC
- Average high temperature in December: 56.1°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in December: 41.2°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in December
Oak Grove, SC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Oak Grove, SC
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Oak Grove, 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 (70%).
Average rainfall in December
Oak Grove, 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 (1.77").
Average rainfall days in December
Oak Grove, SC
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is October (8.9 days).
Average snowfall in December
Oak Grove, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Oak Grove, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Oak Grove, SC
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 18min
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 18min).
Average sunshine days in December
Oak Grove, SC
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Oak Grove, SC
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Oak Grove, 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 28).
Average visibility in December
Oak Grove, 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).
