Earliest and Latest Days of 90° F in Hardin

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Hardin, Montana history. It is based on NOAA data from the years 1948–2024.

Also see:

Earliest 90 degree day in Hardin?

The earliest in the year that Hardin, Montana had a high temperature of at least 90 °F is April 26 which happened in 1974.

Latest 90 degree day in Hardin?

The latest in the year that Hardin, Montana had a high temperature of at least 90 °F is October 10 which has happened twice, most recently in 2015.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 26	1974	91 °F
April 28	1987	96 °F
April 29	1987	92 °F
April 30	1987	90 °F
May 4	1986	90 °F
May 5	1966	90 °F
May 6	1966	91 °F
May 7	2017	90 °F
May 7	1992	90 °F
May 7	1966	91 °F
May 8	1987	92 °F
May 9	1987	94 °F
May 10	1987	90 °F
May 12	2001	93 °F
May 12	1987	92 °F
May 12	1960	90 °F
May 12	1958	90 °F
May 13	2013	94 °F
May 13	2001	96 °F
May 13	1988	91 °F
May 13	1987	90 °F
May 13	1960	97 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 10	2015	91 °F
October 10	1996	90 °F
October 5	1963	93 °F
October 4	2010	91 °F
October 4	1975	90 °F
October 3	2010	90 °F
October 3	1992	93 °F
October 3	1987	90 °F
October 2	1997	90 °F
October 2	1992	93 °F
October 2	1976	90 °F
October 1	2005	90 °F
October 1	2001	90 °F
October 1	1997	90 °F
October 1	1992	93 °F
October 1	1963	94 °F
October 1	1953	90 °F
September 30	1992	91 °F
September 30	1989	95 °F
September 30	1967	91 °F
September 30	1963	90 °F