December weather forecastLynnville, TN
December
Weather in December
The first month of the winter, December, is still a cool month in Lynnville, Tennessee, with an average temperature varying between 50°F (10°C) and 36.7°F (2.6°C).Temperature
Lynnville's progression into December involves a gentle drop in the average high-temperature, from a moderate 58.1°F (14.5°C) in November to a cool 50°F (10°C). An average low-temperature of 36.7°F (2.6°C) is observed during December nights.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In Lynnville, Tennessee, in December, during 13.4 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. Throughout the year, there are 178.4 rainfall days, and 41.34" (1050mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 1.9 days. Throughout December, 0.59" (15mm) of snow is accumulated. In Lynnville, during the entire year, snow falls for 11.1 days and aggregates up to 2.48" (63mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:39 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:45 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in Lynnville. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take to heart! Snow reflection can almost magnify 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
Lynnville, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in December
Lynnville, 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
Lynnville, TN
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Lynnville, 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 (73%).
Average rainfall in December
Lynnville, TN
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is February (4.65").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
Lynnville, TN
- Average rainfall days in December: 13.4 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
Lynnville, TN
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lynnville, TN
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (3.5 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
Lynnville, 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 42min
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 36min).
Average sunshine days in December
Lynnville, TN
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Lynnville, 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
Lynnville, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Lynnville, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





