December weather forecastChestnut Hills, TN
December
Weather in December
The first month of the winter, December, is also a frosty month in Chestnut Hills, Tennessee, with an average temperature varying between 48.6°F (9.2°C) and 34.7°F (1.5°C).Temperature
December is characterized by a slight reduction in average high-temperature, easing from a refreshing 56.3°F (13.5°C) in November to a chilly 48.6°F (9.2°C). Chestnut Hills registers a consistent average low-temperature of 34.7°F (1.5°C) during December.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Chestnut Hills, in December, during 13.4 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In Chestnut Hills, Tennessee, during the entire year, the rain falls for 169.5 days and collects up to 34.09" (866mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Chestnut Hills, Tennessee, during December, snow falls for 2.8 days and regularly aggregates up to 0.47" (12mm) of snow. In Chestnut Hills, Tennessee, during the entire year, snow falls for 15.2 days and aggregates up to 2.76" (70mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 5:23 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:34 pm EST.
Sunshine
January and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chestnut Hills, TN
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Chestnut Hills, TN
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Chestnut Hills, TN
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Chestnut Hills, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (76%).
Average rainfall in December
Chestnut Hills, TN
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Chestnut Hills, TN
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Chestnut Hills, TN
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Chestnut Hills, TN
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (4.8 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
Chestnut Hills, TN
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Chestnut Hills, TN
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in December
Chestnut Hills, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Chestnut Hills, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Chestnut Hills, TN
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
