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What’s the climate like in Chattanooga?

The current climate of Chattanooga features average monthly temperatures ranging from highs of 33°C during the day to lows of 12°C. 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.

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.

On average, Chattanooga gets 1594 mm of precipitation each year. Of this, about 4,0 cm is snowfall. For comparison, London gets 701 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 good 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, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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
Precipitation
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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.

  • Average yearly temperature: 24°C
  • Highest temperature: 33°C in July
  • Lowest temperature: 12°C in January
  • Precipitation*: 1594 mm per year, averaging 133 mm per month
  • Snowfall: 4,0 cm per year
  • Driest months: 83 mm in September, 88 mm in May and 98 mm in June
  • Wettest months: 287 mm in February, 171 mm in January and 145 mm in December

*Precipitation is measured as a combination of rain, snow, and hail

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Average Temperature per Month in Chattanooga

This graph shows the average maximum temperatures per month in Chattanooga, Tennessee. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Chattanooga, Tennessee,

Average Precipitation per Month in Chattanooga

This graph shows how much precipitation Chattanooga, Tennessee, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.

Precipitation per Month in Chattanooga, Tennessee,

Average Snowfall per Month in Chattanooga

This graph shows how much snow Chattanooga, Tennessee, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.

Snowfall per Month in Chattanooga, Tennessee,

Average UV Index per Month in Chattanooga

This graph 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.

UV Index per Month in Chattanooga, Tennessee,

Yearly Temperature in Chattanooga

This graph shows the average yearly temperature in Chattanooga, Tennessee. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Chattanooga, Tennessee,

Total Yearly Precipitation in Chattanooga

This chart shows the total yearly precipitation in Chattanooga, Tennessee, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Chattanooga, Tennessee,

Total Yearly Snowfall in Chattanooga

This chart shows the total yearly snowfall in Chattanooga, Tennessee, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.

Yearly Snowfall in Chattanooga, Tennessee,

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.

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