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 onset of December brings a small shift in high-temperatures, falling from a fresh 52°F (11.1°C) in November to a chilly 44.4°F (6.9°C). An average low-temperature of 30.6°F (-0.8°C) is expected during December.Humidity
February, March and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Shady Valley, in December, during 11.2 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 176.9 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 7 days and typically aggregates up to 6.5" (165mm) 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 7:21 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:22 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Shady Valley?
What are the most humid months?
What is the average humidity in December in Shady Valley?
How much does it rain in December?
What is the snowiest month?
How many days does it snow in December?
What is the month with the shortest days in Shady Valley?
How many hours of daylight does Shady Valley have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Shady Valley have in December?
What are the months with the lowest UV index in Shady Valley?
What is the UV index intensity in December in Shady Valley?
Average temperature in December
Shady Valley, TN
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Shady Valley, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Shady Valley, TN
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Shady Valley, TN
- Average humidity in December: 80%
The months with the highest relative humidity are February, March and December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Shady Valley, TN
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is February (3.31").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Shady Valley, TN
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Shady Valley, TN
- Average snowfall in December: 6.5"
The month with the highest snowfall is December (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Shady Valley, TN
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shady Valley, 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: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Shady Valley, TN
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Shady Valley, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Shady Valley, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are June, July and August (Cloud cover 37).
Average visibility in December
Shady Valley, TN
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Shady Valley, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location