December weather forecastUnion Cross, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Union Cross, Tennessee, with an average temperature varying between 49.6°F (9.8°C) and 36.5°F (2.5°C).Temperature
December brings a slight decrease in temperature, down from a moderate 57.7°F (14.3°C) in November to a chilly 49.6°F (9.8°C). The low-temperature in Union Cross, Tennessee, averages to a wintry 36.5°F (2.5°C) during the nights of December.Humidity
In December, the average relative humidity is 79%.Rainfall
In December, the rain falls for 12.2 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 158.9 rainfall days, and 32.6" (828mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Union Cross, during December, snow falls for 1.3 days and regularly aggregates up to 0.51" (13mm) of snow. Throughout the year, there are 9.6 snowfall days, and 2.72" (69mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:45 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:50 pm CST.
Sunshine
In Union Cross, the average sunshine in December is 4.7h.UV index
February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Union Cross, TN
- Average high temperature in December: 49.6°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Union Cross, 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 (29.96"Hg).
Average wind speed in December
Union Cross, TN
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in December
Union Cross, TN
- Average humidity in December: 79%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Union Cross, TN
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Union Cross, TN
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Union Cross, TN
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Union Cross, TN
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Union Cross, TN
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Union Cross, TN
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Union Cross, TN
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in December
Union Cross, TN
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Union Cross, 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).
