Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the onset of December, Chattanooga experiences a modest temperature adjustment, with the average high-temperature gently receding from a mild 57.6°F (14.2°C) in November to a fresh 50.2°F (10.1°C). During the month of December, Chattanooga anticipates a mean low-temperature of 36.3°F (2.4°C).Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
The month with the most rainfall in Chattanooga is December, when the rain falls for 13.7 days and typically aggregates up to 4.37" (111mm) of precipitation.Snowfall
Months with snowfall in Chattanooga are January through April, November and December. In Chattanooga, in December, during 2.2 snowfall days, 0.59" (15mm) of snow is typically accumulated. In Chattanooga, during the entire year, snow falls for 13.2 days and aggregates up to 4.17" (106mm) of snow.Daylight
December has the shortest days of the year in Chattanooga, with an average of 9h and 48min of daylight.On the first day of December in Chattanooga, sunrise is at 7:31 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:39 pm EST.
Sunshine
The month with the least sunshine in Chattanooga is December, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What are the temperatures in Chattanooga in December?
What is the most humid month in Chattanooga?
What is the average humidity in December in Chattanooga?
What is the rainiest month in Chattanooga?
How much does it rain in Chattanooga in December?
How many days does it snow in December in Chattanooga?
What is the month with the shortest days in Chattanooga?
What is the average length of the day in December in Chattanooga?
When are sunrise and sunset in December in Chattanooga?
What is the month with the least sunshine in Chattanooga?
How long on average sun shines in December in Chattanooga?
When is the lowest UV index in Chattanooga?
How high is the UV index in December in Chattanooga?
Average temperature in December
Chattanooga, TN
- Average high temperature in December: 50.2°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in December: 36.3°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 (30.7°F).
Average pressure in December
Chattanooga, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Chattanooga, TN
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is February (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Chattanooga, 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, July, August, October and November (75%).
Average rainfall in December
Chattanooga, TN
- Average rainfall in December: 4.37"
The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is September (2.56").
Average rainfall days in December
Chattanooga, TN
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Chattanooga, TN
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Chattanooga, TN
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is January (4.1 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
Chattanooga, TN
- Average daylight in December: 9h and 5min
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 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Chattanooga, TN
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Chattanooga, 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 and December (UV index 2).
Average cloud cover in December
Chattanooga, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Chattanooga, TN
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Chattanooga, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location
