December weather forecastWest Columbia, SC
December
Weather in December
December, the final act of the year, introduces winter into West Columbia. The city softly wraps itself into the cooler lap of winter, veering away from the mildness of November. The flurry of holiday festivities keeps spirits high, despite the receding daylight hours and lowering temperatures. The rain picks up pace, reaching 2.05" (52mm), the highest annual rainfall, providing an optimal end to the year. The winds carry a frosty bite, setting in motion cozy winter evenings.Temperature
Transitioning from November to December in West Columbia involves a subtle drop in average high-temperatures, descending from an enjoyable 62.6°F (17°C) to a still refreshing 56.7°F (13.7°C). December in West Columbia, South Carolina, generally records an average low-temperature of 41.9°F (5.5°C).Humidity
December is the most humid month in West Columbia, with an average relative humidity of 75%.Rainfall
In December, the rain falls for 10 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 130.3 rainfall days, and 20.55" (522mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall in West Columbia.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:25 pm EST.
Sunshine
December has the least sunshine of the year in West Columbia, with an average of 5.4h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in West Columbia. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 3 during December translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Columbia, SC
- Average high temperature in December: 56.7°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).
Average pressure in December
West Columbia, 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
West Columbia, SC
- Average wind speed in December: 7.5mph
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 (5.5mph).
Average humidity in December
West Columbia, SC
- Average humidity in December: 75%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
West Columbia, SC
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is August (2.17").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in December
West Columbia, SC
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is October (6.6 days).
Average snowfall in December
West Columbia, SC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
West Columbia, SC
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
West Columbia, 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 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
West Columbia, SC
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is October (23 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
West Columbia, 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, February and December (UV index 3).
Average cloud cover in December
West Columbia, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in December
West Columbia, 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).





