South Carolina, USA
Long term weather forecast
Long term weather forecast

December weather forecast and Climate
Columbia, SC

  • Average high temperature in December: 58.2°F

Warmest month (with highest average high temperature) is July (92.7°F).
Month with lowest average high temperature is January (56°F).

  • Average low temperature in December: 35.3°F

Month with highest average low temperature is July (71.6°F).
Coldest month (with lowest average low temperature) is January (33.7°F).

  • Average humidity in December: 70.7%

Month with highest relative humidity is August (76.5%).
Month with lowest relative humidity is April (62.1%).

  • Average rainfall in December: 3.2"

Wettest month (with highest rainfall) is July (5.5").
Driest month (with lowest rainfall) is April (2.6").

  • Average rainfall days in December: 9 days

Month with highest number of rainy days is July (11.8 days).
Month with lowest number of rainy days is October (7 days).

  • Average snowfall in December: 0.1"

Month with highest snowfall is January (0.8").
Months with lowest snowfall are April, May, June, July, August, September, October and November (0").

  • Average snowfall days in December: 0.1 days

Month with highest number of snowfall days is January (0.5 days).
Months with lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

  • Average daylight in December: 10h

Months with longest days are May, June and July (Average daylight: 14h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • Average sunshine in December: 5.6h

Month with most sunshine is May (Average sunshine: 9.4h).
Months with least sunshine are January and December (Average sunshine: 5.6).

  • Average UV index in December: 3

Months with highest UV index are June, July and August (UV index 10).
Months with lowest UV index are January and December (UV index 3).