Earliest and Latest Days of 90° F in Jacksonville

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Jacksonville, Florida history. It is based on NOAA data from the years 1871–2024.

Also see:

Earliest 90 degree day in Jacksonville?

The earliest in the year that Jacksonville, Florida had a high temperature of at least 90 °F is March 10 which happened in 1974.

Latest 90 degree day in Jacksonville?

The latest in the year that Jacksonville, Florida had a high temperature of at least 90 °F is October 31 which happened in 2019.

Earliest Days ≥ 90 °F

Date	Year	Temperature
March 10	1974	91 °F
March 12	1967	91 °F
March 15	2020	90 °F
March 15	1967	90 °F
March 16	1945	90 °F
March 21	1907	90 °F
March 22	1935	90 °F
March 22	1907	90 °F
March 23	1935	91 °F
March 23	1907	90 °F
March 24	1935	90 °F
March 24	1907	91 °F
March 25	2020	91 °F
March 25	1954	90 °F
March 26	2021	90 °F
March 27	2023	90 °F
March 27	2020	90 °F
March 28	2020	94 °F
March 29	2020	91 °F
April 1	2023	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 31	2019	91 °F
October 29	2020	90 °F
October 27	2010	90 °F
October 22	2019	91 °F
October 22	2006	92 °F
October 20	2018	90 °F
October 19	1980	91 °F
October 18	1980	91 °F
October 17	2018	94 °F
October 17	1989	91 °F
October 16	2018	93 °F
October 16	2017	92 °F
October 16	1925	90 °F
October 15	2018	91 °F
October 15	1990	90 °F
October 15	1883	90 °F
October 14	2019	90 °F
October 14	1986	90 °F
October 14	1912	91 °F
October 14	1883	90 °F