Earliest and Latest Days of 90° F in El Cajon

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in El Cajon, California history. It is based on NOAA data from the years 1899–2024.

Also see:

Earliest 90 degree day in El Cajon?

The earliest in the year that El Cajon, California had a high temperature of at least 90 °F is January 4 which happened in 2012.

Latest 90 degree day in El Cajon?

The latest in the year that El Cajon, California had a high temperature of at least 90 °F is December 30 which happened in 1917.

Earliest Days ≥ 90 °F

Date	Year	Temperature
January 4	2012	90 °F
January 5	1954	92 °F
January 8	1923	90 °F
January 9	1923	93 °F
January 11	1953	92 °F
January 15	2021	93 °F
January 17	1920	90 °F
January 31	2003	92 °F
January 31	1954	91 °F
January 31	1953	91 °F
February 1	1953	91 °F
February 2	1954	92 °F
February 2	1953	90 °F
February 4	2001	90 °F
February 4	1954	90 °F
February 5	2007	91 °F
February 5	2001	90 °F
February 6	1954	91 °F
February 7	1996	90 °F
February 9	2016	91 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
December 30	1917	95 °F
December 29	1917	92 °F
December 21	1917	90 °F
December 18	1917	91 °F
December 14	1953	91 °F
December 13	2010	91 °F
December 13	1953	90 °F
December 12	2010	90 °F
December 10	1950	91 °F
December 8	1938	95 °F
December 7	1940	91 °F
December 7	1938	91 °F
December 6	1938	91 °F
December 4	1979	93 °F
December 3	1958	91 °F
November 30	1917	92 °F
November 29	1953	92 °F
November 28	1924	91 °F
November 27	2014	91 °F
November 27	1912	90 °F
November 27	1904	90 °F