December weather forecast
Ridgeway, SC

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Weather in December

December, the first month of the winter in Ridgeway, is also a fresh month, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 54.9°F (12.7°C).

Temperature

The start of December comes with a small reduction in the average high-temperature, subtly receding from a refreshing 61.7°F (16.5°C) in November to a cool 54.9°F (12.7°C). An average low-temperature of 40.6°F (4.8°C) is noted during the month of December.

Humidity

May and December, with an average relative humidity of 75%, are the most humid months.

Rainfall

The month with the most rainfall is December, when the rain falls for 12 days and typically aggregates up to 3.5" (89mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Ridgeway, in December, snow falls for 0.2 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, there are 2.5 snowfall days, and 1.34" (34mm) of snow is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December in Ridgeway, sunrise is at 7:12 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:24 pm EST.

Sunshine

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

UV index

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 3 in December leads to these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

What are December temperatures?

The average high-temperature, in December, in Ridgeway, is 54.9°F (12.7°C), while the average low-temperature is 40.6°F (4.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 91.4°F (33°C).

What is the most humid month?

May and December, with an average relative humidity of 75%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 75%.

What is the rainiest month?

December is the month with the most rainfall. Rain falls for 12 days and accumulates 3.5" (89mm) of precipitation.

How much does it rain in December?

In Ridgeway, in December, during 12 rainfall days, 3.5" (89mm) of precipitation is typically accumulated.

How much does it snow in December?

In Ridgeway, during December, snow falls for 0.2 days and regularly aggregates up to 0.08" (2mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 55min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:12 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:24 pm EST.

What is the month with the least sunshine?

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

How many hours of sunshine does Ridgeway have in December?

In December, the average sunshine duration is 5.4h.

How high is the UV index in December?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ridgeway, SC

Average temperature in December - Ridgeway, SC
  • Average high temperature in December: 54.9°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 (51.4°F).

  • Average low temperature in December: 40.6°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

Average pressure in December
Ridgeway, SC

Average pressure in December - Ridgeway, 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
Ridgeway, SC

Average wind speed in December - Ridgeway, SC
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are February and April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Ridgeway, SC

Average humidity in December - Ridgeway, SC
  • Average humidity in December: 75%

The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are June, July and November (71%).

Average rainfall in December
Ridgeway, SC

Average rainfall in December - Ridgeway, SC
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Ridgeway, SC

Average rainfall days in December - Ridgeway, SC
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is July (18 days).
The months with the least rainy days are October and November (9 days).

Average snowfall in December
Ridgeway, SC

Average snowfall in December - Ridgeway, SC
  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Ridgeway, SC

Average snowfall days in December - Ridgeway, SC
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (1.2 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
Ridgeway, SC

Average daylight in December / Average sunshine in December - Ridgeway, SC
  • Average daylight in December: 9h and 5min

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 2min

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
Ridgeway, SC

Average sunshine days in December - Ridgeway, SC
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in December
Ridgeway, SC

Average UV index in December - Ridgeway, SC
  • Average UV index in December: 3

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

Average cloud cover in December
Ridgeway, SC

Average cloud cover in December - Ridgeway, SC
  • Average cloud cover in December: 42

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
Ridgeway, SC

Average visibility in December - Ridgeway, 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).

Ridgeway, South Carolina, USA

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