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

December weather forecast and climate
Columbia, SC

The US State House of South Carolina, in Columbia, with the Wade Hampton Statue
The US State House of South Carolina, in Columbia, with the Wade Hampton Statue
December, the first month of the winter, in Columbia, is still a mild month, with average temperature ranging between max 58.3°F (14.6°C) and min 35.2°F (1.8°C).

Temperature

In December, the average high-temperature drops, from an enjoyable 67.3°F (19.6°C) in November, to a mild 58.3°F (14.6°C). In December, in Columbia, the average low-temperature is 35.2°F (1.8°C).

Humidity

In Columbia, South Carolina, the average relative humidity is 70.7%.

Rainfall

In Columbia, during December, the rain falls for 9 days and regularly aggregates up to 3.2" (81.8mm) of precipitation. In Columbia, during the entire year, the rain falls for 106.7 days and collects up to 44.6" (1132.4mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Columbia. Throughout December, in the average 0.1 snowfall days, it receives 0.1" (2.5mm) of snow. Throughout the year, there are 1 snowfall days, and 1.5" (38mm) of snow is accumulated.

Daylight

The month with the shortest days in Columbia is December, with an average of 9.9h of daylight.

Sunshine

January and December, with an average of 5.6h of sunshine, are months with the least sunshine in Columbia.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Columbia. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Columbia?

In December, the average high-temperature is 58.3°F (14.6°C), and the average low-temperature is 35.2°F (1.8°C).

What is the average humidity in December in Columbia?

In December, the average relative humidity is 70.7%.

How much does it rain in Columbia in December?

In December, in Columbia, South Carolina, the rain falls for 9 days. Throughout December, 3.2" (81.8mm) of precipitation is accumulated.

When does it start snowing in Columbia?

December is the first month it typically snows in Columbia. Throughout December, in the average 0.1 snowfall days, it receives 0.1" (2.5mm) of snow.

What is the month with the shortest days in Columbia?

With an average of 9.9h of daylight, December has the shortest days of the year.

How many hours of daylight does Columbia have in December?

The average length of the day in December in Columbia is 9.9h.

What is the month with the least sunshine in Columbia?

Months with the least sunshine are January and December, with an average of 5.6h of sunshine.

How many hours of sunshine does Columbia have in December?

In Columbia, South Carolina, the average sunshine in December is 5.6h.

What are the months with the lowest UV index in Columbia?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Columbia, South Carolina.

What is the UV index reading in December in Columbia?

In Columbia, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in December - Columbia, SC
  • Average high temperature in December: 58.2°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (56°F).

  • Average low temperature in December: 35.3°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (33.7°F).

Average humidity in December - Columbia, SC
  • Average humidity in December: 70.7%

The month with the highest relative humidity is August (76.5%).
The month with the lowest relative humidity is April (62.1%).

Average rainfall in December - Columbia, SC
  • Average rainfall in December: 3.2"

The wettest month (with the highest rainfall) is July (5.5").
The driest month (with the lowest rainfall) is April (2.6").

Average rainfall days in December - Columbia, SC
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is July (11.8 days).
The month with the lowest number of rainy days is October (7 days).

Average snowfall in December - Columbia, SC
  • Average snowfall in December: 0.1"

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

Average snowfall days in December - Columbia, SC
  • Average snowfall days in December: 0.1 days

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

Average daylight in December / Average sunshine in December - Columbia, SC
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 5.6h

The 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 - Columbia, SC
  • Average UV index in December: 3

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