December weather forecastTullahoma, TN
December
Weather in December
December ushers in winter in Tullahoma, with the landscape glistening under a blanket of twin frosts and the occasional snowfall. The city gears up for the holiday season under the crisp, clear winter sky. Low temperatures hovering around 36.1°F (2.3°C) hint at white Christmases with snowfalls around corners. A relatively high monthly rainfall of 3.23" (82mm) ensures a refreshingly wet end to the year. Intricate icicles hanging from eaves and chimneys add a dash of magic to the holiday season, wrapping up the climatic circuit in the chilly embrace of winter.Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a mild 57.4°F (14.1°C) to a chilly 49.6°F (9.8°C). December's average low-temperature reading settles at a cold 36.1°F (2.3°C).Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In Tullahoma, in December, it is raining for 12.2 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, there are 171.3 rainfall days, and 35.55" (903mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Tullahoma. In Tullahoma, in December, snow falls for 2.1 days, with typically accumulated 0.59" (15mm) of snow. In Tullahoma, during the entire year, snow falls for 11.2 days and aggregates up to 2.64" (67mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:35 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:42 pm CST.
Sunshine
In Tullahoma, the average sunshine in December is 4.8h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tullahoma, TN
- Average high temperature in December: 49.6°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in December
Tullahoma, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Tullahoma, TN
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Tullahoma, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Tullahoma, TN
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is February (4.02").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Tullahoma, TN
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Tullahoma, TN
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Tullahoma, TN
- Average snowfall days in December: 2.1 days
The months with the highest number of snowfall days are January and February (3.3 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
Tullahoma, TN
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Tullahoma, TN
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in December
Tullahoma, 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 and December (UV index 2).
Average cloud cover in December
Tullahoma, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Tullahoma, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).





