December weather forecastCornersville, TN
December
Weather in December
December, the first month of the winter in Cornersville, is also a fresh month, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 50°F (10°C).Temperature
With the onset of December, Cornersville's climate undergoes a slight change as the average high-temperature moves from a moderate 57.4°F (14.1°C) in November to a cool 50°F (10°C). In Cornersville, the average nighttime temperature during December is an icy 36.5°F (2.5°C).Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In Cornersville, in December, it is raining for 13 days, with typically 3.46" (88mm) of accumulated precipitation. In Cornersville, during the entire year, the rain falls for 173.6 days and collects up to 39.65" (1007mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Cornersville, in December, during 1.2 snowfall days, 0.35" (9mm) of snow is typically accumulated. Throughout the year, there are 7.2 snowfall days, and 2.28" (58mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:38 am and sunset at 4:34 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:45 pm CST.
Sunshine
In Cornersville, the average sunshine in December is 4.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. 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, 2 in December, converts into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cornersville, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.7°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Cornersville, 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 (29.97"Hg).
Average wind speed in December
Cornersville, TN
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Cornersville, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Cornersville, TN
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Cornersville, TN
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Cornersville, TN
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cornersville, TN
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.6 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
Cornersville, 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 36min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Cornersville, TN
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Cornersville, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Cornersville, 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
Cornersville, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





