United StatesThe climate of Chattanooga
The current climate in Chattanooga features temperatures ranging from a high of 33°C to a low of 12°C throughout the year. The average yearly temperature is around 24°C. At night, temperatures in the colder months average around 2°C and in the warmer months around 22°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Chattanooga, Tennessee.
Temperature records
The highest temperature recorded in Chattanooga in recent years was 38°C in September 2019. The lowest daytime temperature recorded was -6°C in January 2014.
Precipitation and snowfall
On average, Chattanooga gets 1594 mm of precipitation each year. Of this, about 4,0 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Chattanooga?
The best time to visit Chattanooga for sunny weather is May through July, September and October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Chattanooga. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Chattanooga
The climate table of Chattanooga shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 12 | 15 | 19 | 23 | 28 | 31 | 33 | 32 | 30 | 24 | 17 | 14 |
| Temp. min (°C) | 3 | 5 | 7 | 11 | 16 | 21 | 23 | 22 | 19 | 13 | 6 | 4 |
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| Precipitation (mm) | 171 | 287 | 137 | 133 | 88 | 98 | 106 | 138 | 83 | 105 | 103 | 145 |
| Snow (cm) | 1,0 | 2,5 | 0,2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,3 |
| UV Index | 4 | 4 | 5 | 7 | 7 | 8 | 7 | 7 | 6 | 5 | 4 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Chattanooga, Tennessee. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Chattanooga
Yearly Temperature in Chattanooga
Precipitation charts
These charts show the average amount of precipitation in Chattanooga, Tennessee. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Chattanooga
Total Yearly Precipitation in Chattanooga
Average Snowfall per Month in Chattanooga
Total Yearly Snowfall in Chattanooga
UV index chart
This chart shows the average UV index per month in Chattanooga, Tennessee. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Chattanooga
Weather experiences in Chattanooga
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Average weather in Chattanooga by month
Click on a month below to see detailed weather info for Chattanooga. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.