Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's onset corresponds with a shift in the average high-temperature, moving from a chilly 49.1°F (9.5°C) in November to a wintry 38.7°F (3.7°C). South Vienna's nights in December cool down to an average low-temperature of 28.8°F (-1.8°C).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 83%.Rainfall
In South Vienna, in December, it is raining for 9 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, in South Vienna, 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 Vienna. In South Vienna, 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
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:37 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:19 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in South Vienna in December?
What are the most humid months in South Vienna?
What is the average humidity in December in South Vienna?
How many days does it rain in December in South Vienna?
How many days does it snow in December in South Vienna?
What is the month with the shortest days in South Vienna?
How many hours of daylight does South Vienna have in December?
What time are sunrise and sunset in December in South Vienna?
How many hours of sunshine does South Vienna have in December?
What are the months with the lowest UV index in South Vienna?
What is the UV index intensity in December in South Vienna?
Average temperature in December
South Vienna, 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 Vienna, 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 Vienna, 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 Vienna, 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 Vienna, 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 Vienna, 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 Vienna, 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 Vienna, 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 Vienna, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
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 Vienna, 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 Vienna, 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 Vienna, 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 Vienna, 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 Vienna, Ohio, USA
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