December weather forecastSouth Charleston, OH
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 24min
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 54min
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: 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: 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: 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: 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).
