December weather forecastWhite Stone, SC

December

Weather in December

December, the first month of the winter in White Stone, is still a cool month, with an average temperature varying between 52.9°F (11.6°C) and 38.3°F (3.5°C).

Temperature

December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's mild 60.1°F (15.6°C) to a fresh 52.9°F (11.6°C). In White Stone, the average nighttime temperature during December is an icy 38.3°F (3.5°C).

Humidity

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

Rainfall

December is the month with the most rainfall. Rain falls for 10.3 days and accumulates 3.27" (83mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 1.97" (50mm) 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 7:17 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:34 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 months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 52.9°F (11.6°C) and 38.3°F (3.5°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 91.4°F (33°C).

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

In White Stone, the average relative humidity in December is 76%.

December is the month with the most rainfall. Rain falls for 10.3 days and accumulates 3.27" (83mm) of precipitation.

In December, the rain falls for 10.3 days. Throughout December, 3.27" (83mm) of precipitation is accumulated.

The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 1.97" (50mm) of snow.

December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 1.97" (50mm) of snow.

With an average of 9h and 54min of daylight, December has the shortest days of the year.

The average day length in December is 9h and 52min.

In December, on the first day of the month, sunrise is at 7:17 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:26 pm EST.

With an average of 5.3h of sunshine, December has the least sunshine of the year.

The average sunshine duration in December is 5.3h.

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

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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
White Stone, SC

  • Average high temperature in December: 52.9°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in December: 38.3°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in December
White Stone, 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 (29.98"Hg).

Average wind speed in December
White Stone, SC

  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
White Stone, 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
White Stone, SC

  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in December
White Stone, SC

  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
White Stone, SC

  • Average snowfall in December: 1.97"

The month with the highest snowfall is December (1.97").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
White Stone, SC

  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
White Stone, SC

  • Average daylight in December: 9h and 54min

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 54min).

  • Average sunshine in December: 5h and 18min

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 18min).

Average sunshine days in December
White Stone, SC

  • Average sunshine days in December: 19.8 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in December
White Stone, SC

  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
White Stone, SC

  • Average cloud cover in December: 42

The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).

Average visibility in December
White Stone, 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).