All-time weather records — American Canyon, CA

Record high
115.0°F
September 6, 2022
Record low
6.1°F
May 23, 2005
Wettest day
4.79 in
October 24, 2021

Climate change signal in American Canyon

47.8%

of American Canyon's all-time daily heat records were set in the last decade (175 of 366 records since 2015).

16.1%

of all-time daily cold records were set in the last decade (59 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
22
28
2000s
113
220
2010s
122
98
2020s
109
20

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 80.1°F — Jan 12, 2009 18.0°F — Jan 15, 2007 2.44 in — Jan 6, 2019
February 108.0°F — Feb 1, 2016 21.2°F — Feb 20, 2018 2.13 in — Feb 27, 2006
March 87.1°F — Mar 20, 2026 27.0°F — Mar 10, 2009 1.64 in — Mar 10, 2016
April 91.0°F — Apr 21, 2009 25.0°F — Apr 24, 2008 2.37 in — Apr 6, 2018
May 100.9°F — May 15, 2008 6.1°F — May 23, 2005 1.10 in — May 19, 2019
June 109.9°F — Jun 14, 2000 36.0°F — Jun 6, 2005 1.04 in — Jun 4, 2011
July 106.0°F — Jul 22, 2006 43.0°F — Jul 1, 2007 0.03 in — Jul 9, 2015
August 106.0°F — Aug 14, 2020 42.1°F — Aug 31, 2008 0.30 in — Aug 21, 2003
September 115.0°F — Sep 6, 2022 35.1°F — Sep 29, 2019 0.82 in — Sep 21, 2013
October 100.9°F — Oct 15, 2020 30.0°F — Oct 31, 2002 4.79 in — Oct 24, 2021
November 84.9°F — Nov 5, 2020 6.1°F — Nov 25, 2008 1.90 in — Nov 1, 2008
December 78.1°F — Dec 7, 2020 16.2°F — Dec 5, 2013 3.17 in — Dec 11, 2014

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