All-time weather records — Tustin, CA

Record high
114.1°F
July 6, 2018
Record low
-45.0°F
November 4, 1952
Wettest day
4.69 in
February 16, 1927

Climate change signal in Tustin

12%

of Tustin's all-time daily heat records were set in the last decade (44 of 366 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 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
11
44
1920s
22
71
1930s
59
73
1940s
26
106
1950s
39
58
1960s
23
4
1970s
32
1
1980s
24
5
1990s
14
4
2000s
60
·
2010s
39
·
2020s
17
·

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 1917, the latest in 2026. Period of observation: 1906-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 96.1°F — Jan 31, 2003 16.0°F — Jan 12, 1989 4.22 in — Jan 26, 1956
February 95.0°F — Feb 9, 2016 -2.0°F — Feb 7, 1989 4.69 in — Feb 16, 1927
March 98.1°F — Mar 25, 1988 28.0°F — Mar 5, 1948 3.42 in — Mar 7, 1952
April 104.0°F — Apr 5, 1989 30.9°F — Apr 11, 1953 3.52 in — Apr 6, 1926
May 105.1°F — May 3, 2004 35.1°F — May 4, 1950 1.19 in — May 22, 1921
June 111.9°F — Jun 14, 1917 39.0°F — Jun 8, 1950 1.26 in — Jun 5, 1993
July 114.1°F — Jul 6, 2018 39.0°F — Jul 5, 1923 0.22 in — Jul 8, 1945
August 106.0°F — Aug 18, 2020 32.0°F — Aug 14, 1995 1.79 in — Aug 17, 1977
September 113.0°F — Sep 6, 2024 39.9°F — Sep 3, 1923 2.81 in — Sep 25, 1939
October 106.0°F — Oct 9, 2015 34.0°F — Oct 12, 1924 3.15 in — Oct 20, 2004
November 100.9°F — Nov 1, 1966 -45.0°F — Nov 4, 1952 2.90 in — Nov 1, 1927
December 95.0°F — Dec 3, 1958 0.0°F — Dec 9, 1998 3.72 in — Dec 22, 1945

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