December weather forecastCainsville, TN
December
Weather in December
December, the first month of the winter in Cainsville, is also a frosty month, with an average temperature ranging between min 35.8°F (2.1°C) and max 49.3°F (9.6°C).Temperature
A modest decline in the average high-temperature is seen during December, decreasing from a mild 57.6°F (14.2°C) in November to a chilly 49.3°F (9.6°C). Cainsville reports an average low-temperature of 35.8°F (2.1°C) during the nights of December.Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
In Cainsville, during December, the rain falls for 9.6 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 123.1 rainfall days, and 12.76" (324mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 1.7 days. Throughout December, 0.2" (5mm) of snow is accumulated. In Cainsville, during the entire year, snow falls for 10.9 days and aggregates up to 0.87" (22mm) of snow.Daylight
December has the shortest days of the year in Cainsville, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:37 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
January, February 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 health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Consider carefully! The reflective quality of snow can almost 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
Cainsville, TN
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in December
Cainsville, 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
Cainsville, TN
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Cainsville, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Cainsville, TN
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in December
Cainsville, TN
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in December
Cainsville, TN
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cainsville, TN
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.8 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
Cainsville, 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 42min
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 30min).
Average sunshine days in December
Cainsville, TN
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Cainsville, 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
Cainsville, 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 29).
Average visibility in December
Cainsville, 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).





