December weather forecastMoss, TN
December
Weather in December
The first month of the winter, December, is also a frosty month in Moss, Tennessee, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 48°F (8.9°C).Temperature
A modest decline in the average high-temperature is seen during December, decreasing from a refreshing 56.5°F (13.6°C) in November to a chilly 48°F (8.9°C). An average temperature of 35.1°F (1.7°C) marks the nights in Moss in December.Humidity
The months with the highest humidity are February, March and December, with an average relative humidity of 79%.Rainfall
In December, the rain falls for 13.2 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. In Moss, during the entire year, the rain falls for 167 days and collects up to 36.06" (916mm) of precipitation.Snowfall
Months with snowfall in Moss are January through April, October through December. In Moss, Tennessee, in December, during 3.5 snowfall days, 0.67" (17mm) of snow is typically accumulated. In Moss, during the entire year, snow falls for 16.7 days and aggregates up to 4.96" (126mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Moss, Tennessee.On the first day of the month, sunrise is at 6:36 am and sunset at 4:26 pm. On the last day of December, in Moss, Tennessee, sunrise is at 6:54 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December in Moss is 4.5h.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 threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Moss, TN
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Moss, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Moss, TN
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Moss, TN
- Average humidity in December: 79%
The months with the highest relative humidity are February, March and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Moss, TN
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is February (3.98").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Moss, TN
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in December
Moss, TN
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Moss, TN
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (5.5 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
Moss, 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 12min).
Average sunshine days in December
Moss, TN
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is November (17.7 days).
The months with the least sunshine days are February and July (11.6 days).
Average UV index in December
Moss, 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
Moss, TN
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Moss, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).





