Earliest and Latest Days of 100° F in Santa Barbara

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Santa Barbara, California history. It is based on NOAA data from the years 1893–2024.

Also see:

Earliest 100 degree day in Santa Barbara?

The earliest in the year that Santa Barbara, California had a high temperature of at least 100 °F is May 6 which happened in 2009.

Latest 100 degree day in Santa Barbara?

The latest in the year that Santa Barbara, California had a high temperature of at least 100 °F is October 19 which happened in 1921.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 6	2009	100 °F
May 7	2009	101 °F
May 9	1923	101 °F
May 26	1968	101 °F
June 16	1981	100 °F
June 19	1929	100 °F
June 26	1990	103 °F
June 27	1990	109 °F
June 27	1926	100 °F
June 30	1937	101 °F
July 2	1985	109 °F
July 3	1985	102 °F
July 6	2018	102 °F
July 7	1954	101 °F
July 12	1925	100 °F
July 13	1925	104 °F
July 15	1978	105 °F
July 19	1992	106 °F
July 29	1930	100 °F
August 22	1972	105 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
October 19	1921	100 °F
October 14	1961	100 °F
October 6	1930	100 °F
October 4	1987	103 °F
September 27	2010	100 °F
September 27	1921	100 °F
September 27	1917	101 °F
September 26	2016	101 °F
September 26	1963	103 °F
September 24	1978	100 °F
September 23	1939	102 °F
September 22	1939	103 °F
September 21	1939	104 °F
September 20	1939	104 °F
September 19	1912	102 °F
September 18	1979	104 °F
September 18	1939	102 °F
September 17	1913	108 °F
September 16	1913	103 °F
September 15	1909	100 °F