December weather forecastStaunton Heights, SC

December

Weather in December

The first month of the winter, December, is also a fresh month in Staunton Heights, South Carolina, with an average temperature fluctuating between 38.1°F (3.4°C) and 52.5°F (11.4°C).

Temperature

A modest decline in the average high-temperature is seen during December, decreasing from a moderate 59.7°F (15.4°C) in November to a fresh 52.5°F (11.4°C). In Staunton Heights, the average nighttime temperature during December is a wintry 38.1°F (3.4°C).

Humidity

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

Rainfall

The month with the most rainfall is December, when the rain falls for 10.5 days and typically aggregates up to 3.39" (86mm) 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 1.81" (46mm) of snow.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:19 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:29 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.5h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by 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, in December, in Staunton Heights, is 52.5°F (11.4°C), while the average low-temperature is 38.1°F (3.4°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated 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 in Staunton Heights is 76%.

The month with the most rainfall is December, when the rain falls for 10.5 days and typically aggregates up to 3.39" (86mm) of precipitation.

In Staunton Heights, in December, it is raining for 10.5 days, with typically 3.39" (86mm) of accumulated precipitation.

The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 1.81" (46mm) of snow.

In Staunton Heights, in December, during 0.5 snowfall days, 1.81" (46mm) of snow is typically accumulated.

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

In Staunton Heights, the average day length in December is 9h and 52min.

On the first day of December, sunrise is at 7:19 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:29 pm EST.

The month with the least sunshine is December, with an average of 5.5h of sunshine.

In December, the average sunshine duration is 5.5h.

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

In Staunton Heights, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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
Staunton Heights, 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 (49.3°F).

  • Average low temperature in December: 38.1°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

Average pressure in December
Staunton Heights, SC

  • Average pressure in December: 30.14"Hg

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

Average wind speed in December
Staunton Heights, SC

  • Average wind speed in December: 5.7mph

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
Staunton Heights, 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 (69%).

Average rainfall in December
Staunton Heights, SC

  • Average rainfall in December: 3.39"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in December
Staunton Heights, SC

  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in December
Staunton Heights, SC

  • Average snowfall in December: 1.81"

The month with the highest snowfall is December (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Staunton Heights, 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
Staunton Heights, 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 30min

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 30min).

Average sunshine days in December
Staunton Heights, SC

  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is August (13.2 days).

Average UV index in December
Staunton Heights, 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
Staunton Heights, SC

  • Average cloud cover in December: 40

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

Average visibility in December
Staunton Heights, 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).