December weather forecastChestnut Mound, TN
December
Weather in December
The first month of the winter, December, is also a frosty month in Chestnut Mound, Tennessee, with an average temperature ranging between min 35.2°F (1.8°C) and max 48.6°F (9.2°C).Temperature
The shift from November to December includes a small decrease in the average high-temperature, from a moderate 56.7°F (13.7°C) to a frosty 48.6°F (9.2°C). The low-temperature averages to a wintry 35.2°F (1.8°C) during the nights of December.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. In Chestnut Mound, during the entire year, the rain falls for 177.2 days and collects up to 40.94" (1040mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Chestnut Mound, in December, during 2.6 snowfall days, 0.39" (10mm) of snow is typically accumulated. Throughout the year, there are 14 snowfall days, and 3.58" (91mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 6:36 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:38 pm CST.
Sunshine
In December, the average sunshine is 4.6h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chestnut Mound, TN
- Average high temperature in December: 48.6°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: 35.2°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
Chestnut Mound, 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
Chestnut Mound, 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
Chestnut Mound, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Chestnut Mound, TN
- Average rainfall in December: 3.27"
The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Chestnut Mound, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Chestnut Mound, TN
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Chestnut Mound, TN
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (4.5 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
Chestnut Mound, 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 36min
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 18min).
Average sunshine days in December
Chestnut Mound, TN
- Average sunshine days in December: 15.2 days
The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Chestnut Mound, 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
Chestnut Mound, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Chestnut Mound, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).





