December weather forecastThomas, TN
December
Weather in December
The first month of the winter, December, is also a frosty month in Thomas, Tennessee, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 48.6°F (9.2°C).Temperature
The beginning of December brings a minor change in the average high-temperature, shifting from a moderate 56.5°F (13.6°C) in November to a chilly 48.6°F (9.2°C). December brings an average low-temperature of 35.1°F (1.7°C) to Thomas.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Thomas, during December, the rain falls for 12.7 days and regularly aggregates up to 3.15" (80mm) of precipitation. Throughout the year, there are 170.4 rainfall days, and 37.99" (965mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Thomas, in December, during 2.5 snowfall days, 0.55" (14mm) of snow is typically accumulated. In Thomas, Tennessee, during the entire year, snow falls for 13.4 days and aggregates up to 4.29" (109mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:35 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:38 pm CST.
Sunshine
In December, the average sunshine is 4.8h.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 health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Thomas, 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 (43.9°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Thomas, TN
- Average pressure in December: 30.15"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Thomas, TN
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Thomas, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Thomas, TN
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Thomas, TN
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Thomas, TN
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Thomas, TN
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (3.9 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
Thomas, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Thomas, TN
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Thomas, 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
Thomas, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Thomas, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).





