All-time weather records — Port St. Lucie, FL

Record high
99.0°F
April 16, 2009
Record low
17.1°F
April 12, 2005
Wettest day
7.90 in
May 18, 2016

Climate change signal in Port St. Lucie

38.5%

of Port St. Lucie's all-time daily heat records were set in the last decade (141 of 366 records since 2015).

8.5%

of all-time daily cold records were set in the last decade (31 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
29
2000s
167
264
2010s
160
71
2020s
6
2

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 2025. Period of observation: 1998-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 88.0°F — Jan 2, 2008 24.1°F — Jan 5, 2001 6.55 in — Jan 10, 2014
February 89.1°F — Feb 17, 2003 28.9°F — Feb 18, 2007 2.95 in — Feb 6, 2006
March 90.0°F — Mar 21, 2003 32.0°F — Mar 8, 2001 2.00 in — Mar 8, 2005
April 99.0°F — Apr 16, 2009 17.1°F — Apr 12, 2005 3.44 in — Apr 15, 2002
May 93.9°F — May 13, 2003 50.0°F — May 4, 2000 7.90 in — May 18, 2016
June 98.1°F — Jun 8, 2014 59.0°F — Jun 23, 2013 3.89 in — Jun 4, 2007
July 96.1°F — Jul 2, 1998 60.1°F — Jul 19, 2000 3.31 in — Jul 16, 2001
August 97.0°F — Aug 18, 2019 63.0°F — Aug 17, 2000 2.78 in — Aug 1, 2023
September 93.0°F — Sep 6, 2019 62.1°F — Sep 3, 1999 4.05 in — Sep 25, 2014
October 95.0°F — Oct 21, 2002 43.0°F — Oct 26, 2002 5.34 in — Oct 18, 1999
November 90.0°F — Nov 2, 2009 30.0°F — Nov 28, 2008 2.81 in — Nov 2, 2005
December 87.1°F — Dec 6, 2016 28.9°F — Dec 16, 2002 4.57 in — Dec 18, 2024

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