December weather forecastTrenton, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Trenton, Tennessee, with an average temperature varying between 36.1°F (2.3°C) and 48.7°F (9.3°C).Temperature
The onset of December is marked by a decrease in temperature, transitioning from a refreshing 57.7°F (14.3°C) in November to a chilly 48.7°F (9.3°C). December brings with it a nighttime average temperature of 36.1°F (2.3°C).Humidity
In Trenton, Tennessee, the average relative humidity in December is 78%.Rainfall
In Trenton, during December, the rain falls for 9.5 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 124 rainfall days, and 13.46" (342mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. December is the month with the most snowfall. Snow falls for 1.2 days and accumulates 0.43" (11mm) 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 the month, sunrise is at 6:48 am and sunset at 4:41 pm. On the last day of December, in Trenton, sunrise is at 7:06 am and sunset at 4:52 pm CST.
Sunshine
In Trenton, the average sunshine in December is 4.7h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trenton, TN
- Average high temperature in December: 48.7°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Trenton, 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 (29.95"Hg).
Average wind speed in December
Trenton, TN
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
Trenton, TN
- Average humidity in December: 78%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Trenton, TN
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Trenton, TN
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in December
Trenton, TN
- Average snowfall in December: 0.43"
The month with the highest snowfall is December (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Trenton, TN
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Trenton, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Trenton, TN
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in December
Trenton, TN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Trenton, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Trenton, 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).
