Chattanooga Climate Normals and Records
(records began in 1879)
Note: The following monthly climatological data is not considered official. For copies of official data, contact the National Climatic Data Center.
| Chattanooga Annual Averages |
| Precipitation.....52.48 inches |
Days with 0.01" or more of precipitation.....119.6 |
| Snowfall.....3.9 inches |
Days with 1.0" or more of snowfall.....1 |
| Days with thunderstorms.....54.8 |
Days at or above 90 F.....47.7 |
| Days with dense fog.....27.3 |
Days at or below 32 F.....58.3 |
| Average first freeze.....November 4 |
Average last freeze.....April 1 |
| Average first frost.....October 20 |
Average last frost.....April 14 |
| Chattanooga All-Time Records |
| All Time Highest Temperature |
107 F |
June 30 and July 1, 2012 |
| All Time Lowest Temperature |
-10 F |
January 21, 1985, January 31, 1966, February 13, 1899 |
| Most Rain in One Day |
9.49" |
September 5, 2011 |
| Most Rain in One Month |
16.32" |
March 1980 |
| Most Rain in One Year |
73.70" |
1994 |
| Most Snow in One Day |
18.5" |
March 13, 1993 |
| Most Snow in One Season |
22.7" |
1992-1993 |
| Measurable Snowfall on Christmas |
2.5" |
2010 |
| |
0.3" |
1989 |
| |
5.1" |
1969 |
| |
0.1" |
1913 |
| |
1.2" |
1909 |
| |
0.1" |
1899 |
|
For additional information via a searchable database:
www.nws.noaa.gov/climate/xmacis.php
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