December weather forecastSentinel Heights, TN
December
Weather in December
The first month of the winter, December, is also a frosty month in Sentinel Heights, Tennessee, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 35.2°F (1.8°C).Temperature
Sentinel Heights's weather subtly changes with the onset of December, barely falling from a refreshing 56.8°F (13.8°C) in November to a chilly 49.1°F (9.5°C). Sentinel Heights, in December, experiences an average temperature of 35.2°F (1.8°C) at night.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In Sentinel Heights, in December, it is raining for 12.5 days, with typically 3.78" (96mm) of accumulated precipitation. Throughout the year, there are 163.6 rainfall days, and 37.44" (951mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Sentinel Heights, during December, snow falls for 1.4 days and regularly aggregates up to 0.43" (11mm) of snow. In Sentinel Heights, during the entire year, snow falls for 8.2 days and aggregates up to 2.01" (51mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December in Sentinel Heights, Tennessee, sunrise is at 7:31 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:37 pm EST.
Sunshine
With an average of 4.8h of sunshine, December has the least sunshine of the year.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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sentinel Heights, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Sentinel Heights, TN
- Average pressure in December: 30.15"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Sentinel Heights, TN
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in December
Sentinel Heights, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are January, June, July, August, September, October and November (76%).
Average rainfall in December
Sentinel Heights, TN
- Average rainfall in December: 3.78"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in December
Sentinel Heights, TN
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Sentinel Heights, TN
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Sentinel Heights, TN
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sentinel Heights, TN
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Sentinel Heights, TN
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Sentinel Heights, 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
Sentinel Heights, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Sentinel Heights, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, June, October and November (6mi).
The months with the lowest visibility are January, March, April, May, July, August, September and December (5mi).
