Chattanooga (TN) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Chattanooga

Chattanooga average temperature chart (Celsius) Chattanooga average temperature chart (Fahrenheit)
Average monthly temperatures in Chattanooga (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.9 10.9 16.2 21.5 25.4 29.6 31.2 30.7 27.4 21.8 15.9 10.1
°F 46.2 51.6 61.2 70.7 77.8 85.4 88.2 87.3 81.4 71.3 60.6 50.2

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Chattanooga monthly rainfall chart (mm) Chattanooga monthly rainfall chart (inches)
Average monthly rainfall in Chattanooga (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 125 123 155 112 114 93 125 92 105 83 119 134
inches 4.9 4.8 6.1 4.4 4.5 3.6 4.9 3.6 4.1 3.3 4.7 5.3
Rainy days 11 10 12 10 10 10 12 10 9 7 10 11

Average annual rainfall in Chattanooga: 1328.933mm (523.2 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Chattanooga

Chattanooga average daily sunshine chart
Average daily sunshine Chattanooga
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.1 5.9 6.9 8.5 9.4 9.8 9.2 8.9 8.1 7.6 5.7 4.9

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Chattanooga average minimum / maximum temperatures (Celsius) Chattanooga average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Chattanooga (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -2.6 -0.8 3.7 8 12.7 17.3 19.7 19.2 16.3 8.9 4 -0.6
Max °C 8.2 11.2 16.5 21.9 25.8 30 31.5 31 27.7 22.2 16.2 10.4
Min °F 27.4 30.7 38.7 46.3 54.8 63.1 67.5 66.6 61.3 47.9 39.2 30.9
Max °F 37 41.4 50.2 58.8 66.6 74.5 78.1 77.2 71.6 59.9 50.2 40.8

Sea temperature

The graph below shows the average sea temperature.

Chattanooga average sea temperature chart (Celsius) Chattanooga average sea temperature chart (Fahrenheit)
Average sea temperature around Chattanooga in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.1 11.3 11.7 13.5 17 21.6 25.3 26.3 24.7 20.7 16.8 13.9
°F 53.8 52.4 53.1 56.4 62.6 70.9 77.6 79.4 76.5 69.3 62.2 57.1

Wind speed

The graph below shows the average wind speed.

Chattanooga average winspeed by month (km/h) Chattanooga average winspeed by month (mph)
Average wind speed in Chattanooga (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 13 14 13 11 10 9 9 9 10 11 12
mph 8 8 9 8 7 6 6 5 6 6 7 8

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Chattanooga relative humidity averages
Average relative humidity in Chattanooga
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
71% 68% 66% 64% 72% 73% 75% 76% 77% 74% 73% 73%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Chattanooga weather stats

Chattanooga weather statistics
Hottest month: July 31.2°C 88.2°F
Driest month: October 83mm 3.3ins
Sunniest month: June 9.8hrs
Coldest month: January 7.9°C 46.2°F
Wettest month: March 155mm 6.1ins
Warmest sea: August 26.3°C 79.3°F
Map showing location of Chattanooga (35.04563, -85.30968) Chattanooga map pin © Google

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