All-time weather records — Coronado, CA

Record high
108.0°F
September 4, 1988
Record low
-79.8°F
February 20, 2024
Wettest day
3.51 in
January 22, 2024

Climate change signal in Coronado

13.4%

of Coronado's all-time daily heat records were set in the last decade (49 of 366 records since 2015).

22.7%

of all-time daily cold records were set in the last decade (83 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
2
58
1950s
22
68
1960s
27
52
1970s
52
41
1980s
64
15
1990s
20
17
2000s
71
25
2010s
85
28
2020s
23
62

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 1945, the latest in 2026. Period of observation: 1945-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 102.9°F — Jan 28, 2010 30.0°F — Jan 4, 1949 3.51 in — Jan 22, 2024
February 91.0°F — Feb 12, 2022 -79.8°F — Feb 20, 2024 2.10 in — Feb 21, 2005
March 95.0°F — Mar 26, 1988 -79.8°F — Mar 1, 2024 1.74 in — Mar 17, 1982
April 100.9°F — Apr 30, 2014 -78.9°F — Apr 12, 2024 1.41 in — Apr 20, 1988
May 102.9°F — May 1, 2014 46.9°F — May 5, 1960 1.02 in — May 8, 1977
June 100.0°F — Jun 10, 1979 54.0°F — Jun 3, 1945 0.56 in — Jun 10, 1990
July 93.9°F — Jul 30, 1980 9.1°F — Jul 23, 2009 1.19 in — Jul 18, 2015
August 95.0°F — Aug 28, 2009 57.0°F — Aug 25, 1975 1.85 in — Aug 20, 2023
September 108.0°F — Sep 4, 1988 54.0°F — Sep 20, 1989 1.22 in — Sep 10, 1976
October 107.1°F — Oct 3, 1987 0.1°F — Oct 21, 2016 2.99 in — Oct 27, 2004
November 99.0°F — Nov 4, 2010 39.9°F — Nov 15, 1964 1.89 in — Nov 25, 1985
December 88.0°F — Dec 16, 2013 34.0°F — Dec 27, 2015 2.60 in — Dec 22, 1945

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