December weather forecastTerry Creek, SC

December

Weather in December

December, the first month of the winter in Terry Creek, is still a cool month, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 52.5°F (11.4°C).

Temperature

Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a refreshing 59.5°F (15.3°C) to a fresh 52.5°F (11.4°C). Terry Creek records an average temperature drop to an icy 37°F (2.8°C) in December.

Humidity

With an average relative humidity of 76%, December is the most humid month.

Rainfall

The month with the most rainfall is December, when the rain falls for 9.2 days and typically aggregates up to 3.15" (80mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 2.09" (53mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:20 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:37 am and sunset at 5:28 pm EST.

Sunshine

With an average of 5.4h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 during December leads to these advisories:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Terry Creek, in December, the average high-temperature is 52.5°F (11.4°C), and the average low-temperature is 37°F (2.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is evaluated at 87.8°F (31°C).

The most humid month is December, with an average relative humidity of 76%.

The average relative humidity in December is 76%.

December is the month with the most rainfall. Rain falls for 9.2 days and accumulates 3.15" (80mm) of precipitation.

In Terry Creek, during December, the rain falls for 9.2 days and regularly aggregates up to 3.15" (80mm) of precipitation.

December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 2.09" (53mm) of snow.

In December, it is snowing for 0.5 days. Throughout December, 2.09" (53mm) of snow is accumulated.

December has the shortest days of the year, with an average of 9h and 48min of daylight.

The average day length in December is 9h and 50min.

In December, on the first day of the month, sunrise is at 7:20 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:28 pm EST.

December has the least sunshine of the year, with an average of 5.4h of sunshine.

The average sunshine duration in December is 5.4h.

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

In December, the average daily maximum UV index in Terry Creek, South Carolina, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Terry Creek, SC

  • Average high temperature in December: 52.5°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 37°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

Average pressure in December
Terry Creek, SC

  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in December
Terry Creek, SC

  • Average wind speed in December: 5.5mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Terry Creek, 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 (68%).

Average rainfall in December
Terry Creek, SC

  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.18").

Average rainfall days in December
Terry Creek, SC

  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is October (7.6 days).

Average snowfall in December
Terry Creek, SC

  • Average snowfall in December: 2.09"

The month with the highest snowfall is December (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Terry Creek, SC

  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.3 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
Terry Creek, SC

  • Average daylight in December: 9h and 48min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 24min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
Terry Creek, SC

  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is October (22.6 days).
The months with the least sunshine days are July and August (14.3 days).

Average UV index in December
Terry Creek, SC

  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Terry Creek, SC

  • Average cloud cover in December: 41

The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Terry Creek, 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).