All-time weather records — Decatur, GA

Record high
105.1°F
June 30, 2012
Record low
-56.7°F
June 7, 2007
Wettest day
5.87 in
September 21, 2009

Climate change signal in Decatur

41.8%

of Decatur's all-time daily heat records were set in the last decade (153 of 366 records since 2015).

33.1%

of all-time daily cold records were set in the last decade (121 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1990s
33
16
2000s
118
156
2010s
145
120
2020s
70
74

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1998, the latest in 2026. Period of observation: 1998-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 78.1°F — Jan 1, 2022 5.2°F — Jan 7, 2014 2.81 in — Jan 19, 2002
February 80.1°F — Feb 19, 2026 12.2°F — Feb 19, 2015 2.95 in — Feb 26, 2026
March 90.0°F — Mar 25, 2007 19.9°F — Mar 1, 2002 2.67 in — Mar 30, 2002
April 89.1°F — Apr 18, 2002 28.2°F — Apr 5, 2011 3.26 in — Apr 19, 2019
May 93.9°F — May 26, 2012 32.0°F — May 18, 1999 4.11 in — May 3, 2010
June 105.1°F — Jun 30, 2012 -56.7°F — Jun 7, 2007 4.86 in — Jun 20, 2017
July 105.1°F — Jul 1, 2012 55.9°F — Jul 30, 2014 3.57 in — Jul 25, 2001
August 102.0°F — Aug 16, 2007 54.0°F — Aug 27, 2025 3.67 in — Aug 28, 2023
September 98.1°F — Sep 9, 2019 42.1°F — Sep 28, 2022 5.87 in — Sep 21, 2009
October 97.0°F — Oct 3, 2019 27.0°F — Oct 28, 2001 3.77 in — Oct 10, 2020
November 82.9°F — Nov 2, 2003 18.1°F — Nov 22, 2008 3.91 in — Nov 10, 2009
December 78.1°F — Dec 27, 2025 7.2°F — Dec 24, 2022 3.12 in — Dec 28, 2018

Click a month to see every daily record for that month in Decatur.