Earliest and Latest Days of 100° F in Imperial

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Imperial, California history. It is based on NOAA data from the years 1901–2024.

Also see:

Earliest 100 degree day in Imperial?

The earliest in the year that Imperial, California had a high temperature of at least 100 °F is March 10 which happened in 1906.

Latest 100 degree day in Imperial?

The latest in the year that Imperial, California had a high temperature of at least 100 °F is October 29 which happened in 1934.

Earliest Days ≥ 100 °F

Date	Year	Temperature
March 10	1906	103 °F
March 15	1934	100 °F
March 19	1903	104 °F
March 28	1903	100 °F
March 30	1934	101 °F
April 1	2011	100 °F
April 3	1961	101 °F
April 4	1961	103 °F
April 5	1989	100 °F
April 5	1902	102 °F
April 6	1989	104 °F
April 6	1988	101 °F
April 6	1902	102 °F
April 7	2021	100 °F
April 7	1989	105 °F
April 7	1904	100 °F
April 8	1989	104 °F
April 9	2022	103 °F
April 9	1989	104 °F
April 9	1904	100 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
October 29	1934	101 °F
October 28	1934	101 °F
October 25	1959	100 °F
October 25	1933	100 °F
October 24	2003	100 °F
October 24	1959	100 °F
October 23	2003	102 °F
October 23	1959	101 °F
October 22	2023	100 °F
October 22	2003	103 °F
October 21	2023	105 °F
October 21	2003	103 °F
October 20	2023	105 °F
October 20	2020	101 °F
October 20	2007	100 °F
October 20	2003	104 °F
October 19	2023	105 °F
October 19	2020	100 °F
October 19	2003	102 °F
October 19	1991	102 °F