Earliest and Latest Days of 100° F in Brownsville

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Brownsville, Texas history. It is based on NOAA data from the years 1898–2024.

Also see:

Earliest 100 degree day in Brownsville?

The earliest in the year that Brownsville, Texas had a high temperature of at least 100 °F is March 4 which happened in 1983.

Latest 100 degree day in Brownsville?

The latest in the year that Brownsville, Texas had a high temperature of at least 100 °F is September 28 which happened in 2005.

Earliest Days ≥ 100 °F

Date	Year	Temperature
March 4	1983	100 °F
March 27	2009	101 °F
March 27	1984	106 °F
March 30	1989	100 °F
April 4	2011	101 °F
April 5	1985	100 °F
April 6	2022	104 °F
April 12	2020	103 °F
April 16	1920	100 °F
April 17	1920	100 °F
April 18	1953	100 °F
April 18	1920	100 °F
April 19	2020	100 °F
April 26	2017	104 °F
April 27	1984	102 °F
April 28	2014	100 °F
April 30	1909	100 °F
May 1	1953	100 °F
May 5	1999	102 °F
May 11	1974	102 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 28	2005	100 °F
September 24	2005	104 °F
September 23	2005	102 °F
September 23	1920	100 °F
September 15	2023	100 °F
September 15	1900	100 °F
September 14	2023	101 °F
September 14	1900	100 °F
September 13	2023	100 °F
September 13	1900	100 °F
September 12	1919	100 °F
September 11	1900	100 °F
September 10	2023	102 °F
September 10	1902	100 °F
September 10	1900	100 °F
September 9	2023	101 °F
September 9	1900	100 °F
September 8	2023	102 °F
September 8	2002	101 °F
September 6	2023	100 °F
September 6	2000	100 °F