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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from an enjoyable 61.5°F (16.4°C) in November to a cool 54.5°F (12.5°C). In December, the temperature drops to an average of 39.7°F (4.3°C) at night.Humidity
The most humid month in Union City is December, with an average relative humidity of 78%.Rainfall
In December, in Union City, the rain falls for 13.7 days. Throughout December, 3.7" (94mm) of precipitation is accumulated. Throughout the year, in Union City, there are 177.7 rainfall days, and 40.16" (1020mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, there are 3.8 snowfall days, and 1.61" (41mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December in Union City, sunrise is at 7:24 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:40 pm EST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year in Union City.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. 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
What is the average December temperature in Union City?
What is the most humid month in Union City?
What is the average humidity in December in Union City?
How many days does it rain in December in Union City?
When does it start to snow in Union City?
What is the month with the shortest days in Union City?
What is the average length of the day in December in Union City?
When are sunrise and sunset in December in Union City?
What is the month with the least sunshine in Union City?
How long on average sun shines in December in Union City?
What is the month with the lowest UV index in Union City?
How high is the UV index in December in Union City?
Average temperature in December
Union City, GA
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.7°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Union City, GA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Union City, GA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Union City, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Union City, GA
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is August (4.8").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in December
Union City, GA
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Union City, GA
- Average snowfall in December: 0.39"
The months with the highest snowfall are January and February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Union City, GA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Union City, GA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Union City, GA
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Union City, GA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Union City, GA
- Average cloud cover in December: 47
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are June and October (Cloud cover 31).
Average visibility in December
Union City, 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).
Union City, Georgia, USA
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