Highest Daily Low Temperatures in Santa Ana History

This is a list of the hottest daily low temperatures ever recorded in Santa Ana, California history from 1906–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Santa Ana

The highest low temperature for a calendar day in Santa Ana, California history was 81 °F which happened on Monday, July 17, 2006.

Rank	Temperature	Date
1	81 °F	July 17, 2006
2	80 °F	September 9, 1984
3	79 °F	September 26, 1970
4	78 °F	September 4, 2022
4	78 °F	October 13, 2015
6	77 °F	July 7, 2018
6	77 °F	September 17, 2014
6	77 °F	July 4, 2007
6	77 °F	September 28, 1978
10	76 °F	October 25, 2019
10	76 °F	July 8, 2018
10	76 °F	September 11, 2015
10	76 °F	September 10, 2015
10	76 °F	September 9, 2015
10	76 °F	October 14, 1997
10	76 °F	September 10, 1984
17	75 °F	August 23, 2020
17	75 °F	August 22, 2020
17	75 °F	September 3, 2017
17	75 °F	February 8, 2016
17	75 °F	October 10, 2015
17	75 °F	September 12, 2015
17	75 °F	May 14, 2014
17	75 °F	October 5, 2013
17	75 °F	August 31, 2013
17	75 °F	August 30, 2013
17	75 °F	September 28, 2010
17	75 °F	April 21, 2009
17	75 °F	September 1, 1998
17	75 °F	August 13, 1994
17	75 °F	August 14, 1992
17	75 °F	October 9, 1982
17	75 °F	September 2, 1967
17	75 °F	October 21, 1965