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
The coldest period is December, when temperatures fluctuate between an average high of 51.3°F (10.7°C) and a low of 34.7°F (1.5°C).Humidity
The average relative humidity in December in Chattanooga is 64%.Rainfall
In Chattanooga, during December, the rain falls for 5.2 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Chattanooga, during the entire year, the rain falls for 109.7 days and collects up to 22.4" (569mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Chattanooga. In Chattanooga, during December, snow falls for 1.1 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 5.3 snowfall days, and 2.64" (67mm) of snow is accumulated.Daylight
December has the shortest days of the year in Chattanooga, Oklahoma, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:23 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:34 pm CST.
Sunshine
The month with the least sunshine in Chattanooga is December, with an average of 6.3h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What time of the year is the coldest in Chattanooga?
What are the temperatures in Chattanooga in December?
What is the average humidity in December in Chattanooga?
How much does it rain in Chattanooga in December?
How much does it snow in Chattanooga in December?
What is the month with the shortest days in Chattanooga?
What is the average length of the day in December in Chattanooga?
When is the sunrise / sunset in December in Chattanooga?
What is the month with the least sunshine in Chattanooga?
How many hours of sunshine does Chattanooga have in December?
When is the lowest UV index in Chattanooga?
What is the UV index intensity in December in Chattanooga?
Average temperature in December
Chattanooga, OK
- Average high temperature in December: 51.3°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Chattanooga, OK
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Chattanooga, OK
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Chattanooga, OK
- Average humidity in December: 64%
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Chattanooga, OK
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Chattanooga, OK
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Chattanooga, OK
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Chattanooga, OK
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.3 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, OK
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Chattanooga, OK
- Average sunshine days in December: 24.3 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (14.5 days).
Average UV index in December
Chattanooga, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Chattanooga, OK
- Average cloud cover in December: 28
The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Chattanooga, OK
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Chattanooga, Oklahoma, USA
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