Historical Weather in Chattanooga, TN
See 55+ years of weather history for any date in Chattanooga going back to 1970.
Part of Tennessee weather history
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Today in Chattanooga Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Chattanooga, TN, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 88°F / Low: 68°F
Coldest MonthJanuaryAvg High: 49°F / Low: 30°F
Jan
49°/ 30°
💧 12.0"
❄️ 1.4"
Feb
54°/ 33°
💧 12.0"
❄️ 1.6"
Mar
62°/ 40°
💧 12.4"
❄️ 1.8"
Apr
71°/ 48°
💧 12.3"
❄️ 1.9"
May
78°/ 57°
💧 10.5"
Jun
85°/ 65°
💧 9.5"
Jul
88°/ 69°
💧 10.5"
Aug
88°/ 68°
💧 10.4"
Sep
82°/ 62°
💧 14.2"
Oct
72°/ 50°
💧 11.7"
Nov
61°/ 39°
💧 12.8"
❄️ 0.4"
Dec
52°/ 33°
💧 12.0"
❄️ 0.8"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Chattanooga Temperature Records
- Record High: The hottest temperature ever recorded in Chattanooga, TN is 107°F, set on June 30, 2012.
- Record Low: The coldest temperature ever recorded in Chattanooga, TN is -13°F, set on January 20, 1985.
- Data Coverage: Based on 57 years of data from NOAA weather station: CHATTANOOGA AP.
All-Time Record High
107°F
June 30, 2012
All-Time Record Low
-13°F
January 20, 1985
Monthly Temperature Records in Chattanooga
| Month | Record High | Record Low |
|---|---|---|
| January | 78°F(1975) | -13°F(1985) |
| February | 82°F(1977) | -5°F(1996) |
| March | 88°F(2007) | 6°F(1996) |
| April | 92°F(1986) | 19°F(2007) |
| May | 96°F(2011) | 27°F(2004) |
| June | 107°F(2012) | 39°F(1972) |
| July | 107°F(2012) | 41°F(2000) |
| August | 105°F(2007) | 44°F(2000) |
| September | 103°F(2019) | 23°F(2001) |
| October | 100°F(2019) | 21°F(2001) |
| November | 88°F(2003) | 11°F(1970) |
| December | 78°F(1978) | -6°F(2022) |
Chattanooga Snow RecordsSee the top 10 snowiest days ever recorded
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