All-time weather records — St. Marys, GA

Record high
102.4°F
June 23, 2022
Record low
20.1°F
December 26, 2022
Wettest day
7.88 in
October 5, 2005

Climate change signal in St. Marys

62.8%

of St. Marys's all-time daily heat records were set in the last decade (230 of 366 records since 2015).

44.3%

of all-time daily cold records were set in the last decade (162 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 #
2000s
66
101
2010s
179
164
2020s
121
101

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 2005, the latest in 2026. Period of observation: 2004-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 84.4°F — Jan 30, 2023 21.2°F — Jan 7, 2014 2.69 in — Jan 25, 2011
February 86.5°F — Feb 21, 2026 22.3°F — Feb 6, 2009 3.42 in — Feb 27, 2005
March 88.7°F — Mar 22, 2011 30.2°F — Mar 6, 2010 3.11 in — Mar 31, 2009
April 90.3°F — Apr 27, 2007 33.8°F — Apr 8, 2009 3.00 in — Apr 2, 2009
May 95.7°F — May 16, 2025 46.2°F — May 8, 2020 3.65 in — May 2, 2013
June 102.4°F — Jun 23, 2022 59.7°F — Jun 9, 2017 6.66 in — Jun 26, 2012
July 99.3°F — Jul 9, 2010 65.1°F — Jul 2, 2008 4.43 in — Jul 12, 2014
August 99.7°F — Aug 28, 2011 63.7°F — Aug 15, 2022 4.38 in — Aug 5, 2024
September 95.5°F — Sep 16, 2018 54.9°F — Sep 30, 2009 7.06 in — Sep 10, 2017
October 92.8°F — Oct 10, 2009 36.9°F — Oct 29, 2008 7.88 in — Oct 5, 2005
November 86.2°F — Nov 2, 2015 23.7°F — Nov 20, 2014 2.04 in — Nov 15, 2019
December 82.2°F — Dec 31, 2021 20.1°F — Dec 26, 2022 3.13 in — Dec 17, 2023

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