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 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
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a comfortable 65.5°F (18.6°C) in November to a still refreshing 59.2°F (15.1°C). The average temperature drops to a chilly 44.6°F (7°C) during the night in the month of December.Humidity
August and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In December, the rain falls for 7.9 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 121.2 rainfall days, and 12.05" (306mm) of precipitation is accumulated.Snowfall
February, April through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:41 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index in Vienna are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Vienna, GA
- Average high temperature in December: 59.2°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (56.3°F).
- Average low temperature in December: 44.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in December
Vienna, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Vienna, GA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Vienna, GA
- Average humidity in December: 76%
The months with the highest relative humidity are August and December (76%).
The months with the lowest relative humidity are January, October and November (70%).
Average rainfall in December
Vienna, GA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in December
Vienna, GA
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is August (16.1 days).
The month with the least rainy days is November (6.1 days).
Average snowfall days in December
Vienna, GA
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and March (0.1 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Vienna, GA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Vienna, GA
- Average sunshine days in December: 22.1 days
The months with the most sunshine days are October and November (22.7 days).
The month with the least sunshine days is August (11.5 days).
Average UV index in December
Vienna, GA
- Average UV index in December: 3
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Vienna, GA
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 27).
Average visibility in December
Vienna, GA
- 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).
Vienna, Georgia, USA
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