Highest Daily Low Temperatures in Santa Cruz History

This is a list of the hottest daily low temperatures ever recorded in Santa Cruz, California history from 1893–2022 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Santa Cruz

The highest low temperature for a calendar day in Santa Cruz, California history was 70 °F which happened on Sunday, September 3, 2017.

Rank	Temperature	Date
1	70 °F	September 3, 2017
2	67 °F	September 5, 2017
2	67 °F	June 21, 1947
2	67 °F	September 24, 1939
5	66 °F	July 21, 2014
5	66 °F	June 18, 1947
5	66 °F	September 23, 1939
5	66 °F	September 22, 1939
5	66 °F	August 26, 1926
10	65 °F	August 17, 2020
10	65 °F	August 16, 2020
10	65 °F	September 4, 2017
10	65 °F	September 2, 2017
10	65 °F	May 8, 1967
10	65 °F	September 13, 1943
10	65 °F	September 21, 1939
10	65 °F	July 3, 1931
10	65 °F	September 13, 1918
19	64 °F	August 18, 2020
19	64 °F	August 14, 2020
19	64 °F	August 22, 2019
19	64 °F	September 11, 2017
19	64 °F	September 7, 2017
19	64 °F	October 15, 2015
19	64 °F	August 1, 2015
19	64 °F	September 18, 2014
19	64 °F	June 21, 2008
19	64 °F	July 23, 2006
19	64 °F	September 22, 1983
19	64 °F	September 20, 1939
19	64 °F	July 7, 1931
19	64 °F	September 12, 1918