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
The move into December indicates a reduction in the average high-temperature, down from November's refreshing 56.3°F (13.5°C) to a chilly 47.3°F (8.5°C). An average nighttime temperature of 35.2°F (1.8°C) is witnessed in Union City throughout December.Humidity
The average relative humidity in December in Union City is 78%.Rainfall
In Union City, in December, during 12.1 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Union City, during the entire year, the rain falls for 159.3 days and collects up to 39.69" (1008mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Union City, in December, during 1.1 snowfall days, 0.55" (14mm) of snow is typically accumulated. In Union City, during the entire year, snow falls for 9.2 days and aggregates up to 4.65" (118mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:49 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:07 am and sunset at 4:51 pm CST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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 average humidity in December in Union City?
How many days does it rain in December in Union City?
How many days does it snow in December in Union City?
What is the month with the shortest days in Union City?
How many hours of daylight does Union City have in December?
When is the sunrise / sunset in December in Union City?
How long on average sun shines in December in Union City?
What are the months with the lowest UV index in Union City?
What is the UV index reading in December in Union City?
Average temperature in December
Union City, TN
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in December
Union City, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Union City, TN
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are February, March and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Union City, TN
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Union City, TN
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Union City, TN
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Union City, TN
- Average snowfall in December: 0.55"
The month with the highest snowfall is March (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Union City, TN
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Union City, TN
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Union City, TN
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Union City, TN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in December
Union City, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Union City, TN
- 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, Tennessee, USA
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