December weather forecast
South Charleston, OH

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Weather in December

The first month of the winter, December, is still a cold month in South Charleston, Ohio, with an average temperature ranging between min 28.8°F (-1.8°C) and max 38.7°F (3.7°C).

Temperature

The transition into December involves a decrease in the average high-temperature, falling from a frosty 49.1°F (9.5°C) in November to a wintry 38.7°F (3.7°C). An average low-temperature of 28.8°F (-1.8°C) marks the month of December.

Humidity

January, February and December, with an average relative humidity of 83%, are the most humid months.

Rainfall

In South Charleston, in December, during 9 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in South Charleston, Ohio, there are 149.8 rainfall days, and 23.66" (601mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in South Charleston. In South Charleston, in December, snow falls for 5 days, with typically accumulated 1.61" (41mm) of snow. Throughout the year, there are 25.3 snowfall days, and 8.07" (205mm) of snow is accumulated.

Daylight

December has the shortest days of the year in South Charleston, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:37 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:55 am and sunset at 5:20 pm EST.

Sunshine

In December, the average sunshine is 3.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in South Charleston. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold in South Charleston?

December temperatures in South Charleston, Ohio, vary between a high-temperature of 38.7°F (3.7°C) and a low-temperature of 28.8°F (-1.8°C).

What is the most humid month in South Charleston?

January, February and December, with an average relative humidity of 83%, are most humid months.

What is the average humidity in December in South Charleston?

In South Charleston, the average relative humidity in December is 83%.

How many days does it rain in December in South Charleston?

In December, in South Charleston, Ohio, the rain falls for 9 days. Throughout December, 1.73" (44mm) of precipitation is accumulated.

How much does it snow in South Charleston in December?

In South Charleston, Ohio, in December, snow falls for 5 days, with typically accumulated 1.61" (41mm) of snow.

What is the month with the shortest days in South Charleston?

With an average of 9h and 24min of daylight, December has the shortest days of the year in South Charleston, Ohio.

How many hours of daylight does South Charleston have in December?

In December, the average day length in South Charleston, Ohio, is 9h and 24min.

When are sunrise and sunset in December in South Charleston?

In December, on the first day of the month, sunrise is at 7:37 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:20 pm EST.

How many hours of sunshine does South Charleston have in December?

In December, the average sunshine duration in South Charleston is 3.9h.

What are the months with the lowest UV index in South Charleston?

The months with the lowest UV index in South Charleston are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in South Charleston?

In South Charleston, Ohio, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
South Charleston, OH

Average temperature in December - South Charleston, OH
  • Average high temperature in December: 38.7°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 28.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in December
South Charleston, OH

Average pressure in December - South Charleston, OH
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
South Charleston, OH

Average wind speed in December - South Charleston, OH
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in December
South Charleston, OH

Average humidity in December - South Charleston, OH
  • Average humidity in December: 83%

The months with the highest relative humidity are January, February and December (83%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in December
South Charleston, OH

Average rainfall in December - South Charleston, OH
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in December
South Charleston, OH

Average rainfall days in December - South Charleston, OH
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
South Charleston, OH

Average snowfall in December - South Charleston, OH
  • Average snowfall in December: 1.61"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
South Charleston, OH

Average snowfall days in December - South Charleston, OH
  • Average snowfall days in December: 5 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
South Charleston, OH

Average daylight in December / Average sunshine in December - South Charleston, OH
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
South Charleston, OH

Average sunshine days in December - South Charleston, OH
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.6 days).

Average UV index in December
South Charleston, OH

Average UV index in December - South Charleston, OH
  • Average UV index in December: 2

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

Average cloud cover in December
South Charleston, OH

Average cloud cover in December - South Charleston, OH
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
South Charleston, OH

Average visibility in December - South Charleston, OH
  • 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).

South Charleston, Ohio, USA

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