December weather forecastCato, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Cato, Tennessee, with an average temperature ranging between max 47.8°F (8.8°C) and min 35.1°F (1.7°C).Temperature
With the onset of December, Cato's climate undergoes a slight change as the average high-temperature moves from a refreshing 56.3°F (13.5°C) in November to a frosty 47.8°F (8.8°C). In the month of December, the nighttime temperature dips to a steady average of 35.1°F (1.7°C).Humidity
The months with the highest humidity are February, March, May and December, with an average relative humidity of 79%.Rainfall
In Cato, in December, during 13.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 178.1 rainfall days, and 37.99" (965mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Cato, Tennessee, during December, snow falls for 3.1 days and regularly aggregates up to 0.59" (15mm) of snow. In Cato, during the entire year, snow falls for 17.2 days and aggregates up to 4.25" (108mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:37 am and sunset at 4:29 pm. On the last day of December, sunrise is at 6:55 am and sunset at 4:39 pm CST.
Sunshine
The average sunshine in December is 4.5h.UV index
The months with the lowest UV index in Cato are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December translates into the following guidance:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. 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
Cato, TN
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in December: 35.1°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 (29.5°F).
Average pressure in December
Cato, TN
- Average pressure in December: 30.14"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
Cato, TN
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Cato, TN
- Average humidity in December: 79%
The months with the highest relative humidity are February, March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Cato, TN
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Cato, TN
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in December
Cato, TN
- Average snowfall in December: 0.59"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cato, TN
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5.4 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
Cato, TN
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Cato, TN
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Cato, 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
Cato, TN
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Cato, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July and August (5mi).





