All-time weather records — San Juan Bautista, CA

Record high
111.9°F
July 22, 2006
Record low
5.0°F
January 31, 1998
Wettest day
2.82 in
January 3, 2006

Climate change signal in San Juan Bautista

16.1%

of San Juan Bautista's all-time daily heat records were set in the last decade (59 of 366 records since 2015).

7.9%

of all-time daily cold records were set in the last decade (29 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 #
1940s
·
·
1950s
·
·
1970s
29
7
1980s
98
148
1990s
77
119
2000s
80
49
2010s
47
27
2020s
35
16

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 1975, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 84.0°F — Jan 31, 1976 5.0°F — Jan 31, 1998 2.82 in — Jan 3, 2006
February 82.0°F — Feb 3, 1976 19.9°F — Feb 6, 1989 2.33 in — Feb 3, 1998
March 89.1°F — Mar 19, 2001 25.0°F — Mar 18, 2002 2.05 in — Mar 10, 1995
April 99.0°F — Apr 21, 2009 27.0°F — Apr 1, 2002 1.43 in — Apr 19, 1981
May 105.1°F — May 30, 2001 37.0°F — May 5, 1981 0.88 in — May 28, 1990
June 108.0°F — Jun 21, 2008 33.1°F — Jun 11, 2008 0.50 in — Jun 17, 2005
July 111.9°F — Jul 22, 2006 39.0°F — Jul 22, 2021 0.61 in — Jul 2, 1980
August 109.9°F — Aug 3, 1998 17.1°F — Aug 20, 2016 0.88 in — Aug 19, 1976
September 111.0°F — Sep 6, 2020 15.1°F — Sep 27, 2016 1.41 in — Sep 29, 1976
October 107.1°F — Oct 2, 1980 34.0°F — Oct 27, 1996 2.31 in — Oct 13, 2009
November 93.9°F — Nov 2, 1997 24.1°F — Nov 24, 1993 2.00 in — Nov 14, 2025
December 78.1°F — Dec 9, 1995 14.0°F — Dec 22, 1990 2.01 in — Dec 12, 2014

Click a month to see every daily record for that month in San Juan Bautista.