All-time weather records — Simpson, LA

Record high
109.0°F
August 20, 2023
Record low
7.2°F
February 16, 2021
Wettest day
9.57 in
October 16, 2006

Climate change signal in Simpson

62.6%

of Simpson's all-time daily heat records were set in the last decade (229 of 366 records since 2015).

44.5%

of all-time daily cold records were set in the last decade (163 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
37
85
2010s
178
179
2020s
151
102

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 2006, the latest in 2026. Period of observation: 2006-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 82.0°F — Jan 1, 2022 11.1°F — Jan 17, 2024 4.08 in — Jan 18, 2017
February 86.0°F — Feb 12, 2017 7.2°F — Feb 16, 2021 6.12 in — Feb 21, 2018
March 90.0°F — Mar 14, 2024 24.3°F — Mar 6, 2015 7.00 in — Mar 20, 2012
April 91.9°F — Apr 19, 2011 32.0°F — Apr 1, 2019 6.13 in — Apr 2, 2017
May 97.0°F — May 28, 2011 39.9°F — May 4, 2013 3.59 in — May 3, 2017
June 102.9°F — Jun 5, 2011 57.9°F — Jun 4, 2006 2.78 in — Jun 17, 2015
July 105.1°F — Jul 9, 2022 61.0°F — Jul 2, 2008 4.88 in — Jul 24, 2024
August 109.0°F — Aug 20, 2023 57.9°F — Aug 26, 2015 5.49 in — Aug 30, 2017
September 108.0°F — Sep 9, 2011 45.0°F — Sep 30, 2022 2.80 in — Sep 3, 2011
October 99.0°F — Oct 3, 2019 29.1°F — Oct 29, 2017 9.57 in — Oct 16, 2006
November 90.0°F — Nov 4, 2024 20.1°F — Nov 13, 2019 4.07 in — Nov 9, 2024
December 82.9°F — Dec 9, 2023 12.2°F — Dec 23, 2022 3.56 in — Dec 3, 2016

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