All-time weather records — Gilroy, CA

Record high
115.0°F
July 15, 1972
Record low
1.9°F
January 8, 1987
Wettest day
21.51 in
April 15, 1917

Climate change signal in Gilroy

13.1%

of Gilroy's all-time daily heat records were set in the last decade (48 of 366 records since 2015).

2.2%

of all-time daily cold records were set in the last decade (8 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 #
1900s
·
·
1910s
·
·
1950s
21
30
1960s
49
153
1970s
63
86
1980s
51
27
1990s
64
21
2000s
44
25
2010s
54
23
2020s
20
1

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 1957, the latest in 2022. Period of observation: 1906-2023.

Records by month

Month Hottest day Coldest day Wettest day
January 80.1°F — Jan 18, 2014 1.9°F — Jan 8, 1987 4.55 in — Jan 31, 1963
February 98.1°F — Feb 16, 2006 23.0°F — Feb 7, 1989 19.08 in — Feb 27, 1917
March 90.0°F — Mar 20, 1997 23.0°F — Mar 1, 1962 20.20 in — Mar 14, 1917
April 100.0°F — Apr 30, 1981 17.1°F — Apr 15, 2010 21.51 in — Apr 15, 1917
May 106.0°F — May 18, 1997 30.9°F — May 4, 1959 1.87 in — May 16, 1996
June 111.9°F — Jun 15, 1961 35.1°F — Jun 26, 1988 0.77 in — Jun 2, 1967
July 115.0°F — Jul 15, 1972 41.0°F — Jul 19, 1981 0.66 in — Jul 9, 1974
August 111.9°F — Aug 6, 1997 30.0°F — Aug 5, 2008 0.68 in — Aug 19, 1976
September 113.0°F — Sep 6, 2022 25.0°F — Sep 19, 2009 5.97 in — Sep 19, 1959
October 107.1°F — Oct 2, 1980 28.9°F — Oct 30, 1971 5.95 in — Oct 14, 2009
November 93.9°F — Nov 3, 1997 23.0°F — Nov 17, 1958 2.80 in — Nov 8, 2002
December 80.1°F — Dec 1, 2021 1.9°F — Dec 27, 1998 6.63 in — Dec 29, 1916

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