December weather forecastTranquillity, TN
December
Weather in December
The first month of the winter, December, is still a cool month in Tranquillity, Tennessee, with an average temperature ranging between min 35.8°F (2.1°C) and max 50°F (10°C).Temperature
As December arrives, Tranquillity's weather displays a minor decrease in high-temperatures, transitioning from November's moderate 57.6°F (14.2°C) to a cool 50°F (10°C). In December, Tranquillity reports a consistent average low-temperature of 35.8°F (2.1°C) during the nights.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
The months with the most rainfall are July and December, with an average 4.29" (109mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Tranquillity, Tennessee, during December, snow falls for 2.2 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, there are 14.8 snowfall days, and 3.07" (78mm) of snow is accumulated.Daylight
The month with the shortest days in Tranquillity is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 5:25 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:36 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5h of sunshine.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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tranquillity, TN
- Average high temperature in December: 50°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 (45.5°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Tranquillity, 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
Tranquillity, TN
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are February, March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in December
Tranquillity, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (75%).
Average rainfall in December
Tranquillity, TN
- Average rainfall in December: 4.29"
The wettest months (with the highest rainfall) are July and December (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Tranquillity, TN
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Tranquillity, TN
- Average snowfall in December: 0.55"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Tranquillity, TN
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is January (4.8 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
Tranquillity, 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: 5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Tranquillity, TN
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
Tranquillity, 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
Tranquillity, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Tranquillity, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
