Earliest and Latest Days of 80° F in Grand Junction

This is a list of the earliest and latest days in the year with a high temperature of at least 80 °F in Grand Junction, Colorado history. It is based on NOAA data from the years 1900–2024.

Also see:

Earliest 80 degree day in Grand Junction?

The earliest in the year that Grand Junction, Colorado had a high temperature of at least 80 °F is March 18 which happened in 2017.

Latest 80 degree day in Grand Junction?

The latest in the year that Grand Junction, Colorado had a high temperature of at least 80 °F is October 21 which happened in 2003.

Earliest Days ≥ 80 °F

Date	Year	Temperature
March 18	2017	80 °F
March 19	1907	81 °F
March 20	2004	81 °F
March 26	1971	81 °F
March 31	2012	80 °F
April 2	2011	81 °F
April 3	2021	80 °F
April 3	1943	81 °F
April 4	2021	81 °F
April 4	1959	81 °F
April 5	2021	81 °F
April 5	1959	82 °F
April 6	1959	80 °F
April 7	1989	81 °F
April 7	1988	80 °F
April 7	1930	82 °F
April 8	1977	82 °F
April 8	1930	82 °F
April 9	1996	81 °F
April 9	1977	83 °F

Latest Days ≥ 80 °F

Date	Year	Temperature
October 21	2003	80 °F
October 19	2009	80 °F
October 19	1977	81 °F
October 19	1921	82 °F
October 18	2003	81 °F
October 18	1977	82 °F
October 18	1974	80 °F
October 18	1926	80 °F
October 17	1991	80 °F
October 17	1977	81 °F
October 17	1950	80 °F
October 16	2016	81 °F
October 16	2011	80 °F
October 16	1991	80 °F
October 16	1977	80 °F
October 15	2016	82 °F
October 15	2015	80 °F
October 15	2011	80 °F
October 15	1977	80 °F
October 15	1958	80 °F
October 15	1950	80 °F