December weather forecastLone Mountain, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Lone Mountain, Tennessee, with an average temperature ranging between min 32.9°F (0.5°C) and max 46.2°F (7.9°C).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a cool 54.5°F (12.5°C) in November to a chilly 46.2°F (7.9°C). An average minimum temperature of 32.9°F (0.5°C) marks the month of December.Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. In Lone Mountain, Tennessee, during the entire year, the rain falls for 178.4 days and collects up to 40.16" (1020mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Lone Mountain, in December, during 5.9 snowfall days, 3.31" (84mm) of snow is typically accumulated. Throughout the year, there are 30.7 snowfall days, and 13.03" (331mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:29 pm EST.
Sunshine
In Lone Mountain, the average sunshine in December is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lone Mountain. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a wide-brim hat for potent defense against up to 50% of UV 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
Lone Mountain, TN
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Lone Mountain, 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
Lone Mountain, TN
- Average wind speed in December: 5.3mph
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
Lone Mountain, TN
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Lone Mountain, TN
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is February (4.72").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Lone Mountain, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Lone Mountain, TN
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lone Mountain, TN
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (9 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
Lone Mountain, 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Lone Mountain, TN
- Average sunshine days in December: 14 days
The month with the most sunshine days is October (16.7 days).
The months with the least sunshine days are February and July (10 days).
Average UV index in December
Lone Mountain, 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, November and December (UV index 2).
Average cloud cover in December
Lone Mountain, TN
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Lone Mountain, TN
- Average visibility in December: 5mi
The months with the highest visibility are June, August and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, September, October and December (5mi).
