December weather forecastJellico, TN
December
Weather in December
December, the first month of the winter in Jellico, is still a chilly month, with an average temperature varying between 33.3°F (0.7°C) and 46.4°F (8°C).Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a cool 54.5°F (12.5°C) in November to a chilly 46.4°F (8°C). An average low-temperature of 33.3°F (0.7°C) is noted during the nights in December.Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Jellico, in December, it is raining for 14.3 days, with typically 3.7" (94mm) of accumulated precipitation. In Jellico, during the entire year, the rain falls for 185.9 days and collects up to 42.28" (1074mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 6 days. Throughout December, 2.01" (51mm) of snow is accumulated. In Jellico, Tennessee, during the entire year, snow falls for 30.3 days and aggregates up to 10.71" (272mm) of snow.Daylight
December has the shortest days of the year in Jellico, with an average of 9h and 42min of daylight.On the first day of December in Jellico, sunrise is at 7:30 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:31 pm EST.
Sunshine
In Jellico, the average sunshine in December is 4.6h.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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jellico, TN
- Average high temperature in December: 46.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Jellico, 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
Jellico, TN
- Average wind speed in December: 5.7mph
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
Jellico, TN
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are June and August (77%).
Average rainfall in December
Jellico, TN
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is February (4.65").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in December
Jellico, TN
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Jellico, TN
- Average snowfall in December: 2.01"
The month with the highest snowfall is February (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Jellico, TN
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (9.1 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
Jellico, 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 36min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Jellico, TN
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Jellico, TN
- Average UV index in December: 2
The months with the highest UV index are May, June 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
Jellico, TN
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 33).
Average visibility in December
Jellico, TN
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
