December weather forecastHenry, TN
December
Weather in December
December, the first month of the winter in Henry, is also a frosty month, with an average temperature fluctuating between 48°F (8.9°C) and 35.4°F (1.9°C).Temperature
December's onset brings a negligible change in high-temperatures, falling from a mild 56.8°F (13.8°C) in November to a chilly 48°F (8.9°C). December nights are marked by an average low-temperature of 35.4°F (1.9°C).Humidity
The average relative humidity in December is 79%.Rainfall
In Henry, Tennessee, in December, it is raining for 12.6 days, with typically 3.58" (91mm) of accumulated precipitation. Throughout the year, in Henry, there are 166.6 rainfall days, and 38.98" (990mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 1.3 days. Throughout December, 0.59" (15mm) of snow is accumulated. In Henry, Tennessee, during the entire year, snow falls for 9.5 days and aggregates up to 3.98" (101mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:46 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:04 am and sunset at 4:49 pm CST.
Sunshine
In Henry, the average sunshine in December is 4.7h.UV index
The months with the lowest UV index in Henry are February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Henry, TN
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in December
Henry, 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
Henry, TN
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Henry, 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
Henry, TN
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Henry, TN
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in December
Henry, TN
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Henry, TN
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is January (3.5 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
Henry, TN
- Average daylight in December: 9h and 42min
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 42min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Henry, TN
- Average sunshine days in December: 16.2 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
Henry, 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
Henry, TN
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Henry, 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).





