Earliest and Latest Days of 90° F in Bozeman

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Bozeman, Montana history. It is based on NOAA data from the years 1892–2024.

Also see:

Earliest 90 degree day in Bozeman?

The earliest in the year that Bozeman, Montana had a high temperature of at least 90 °F is May 22 which happened in 1892.

Latest 90 degree day in Bozeman?

The latest in the year that Bozeman, Montana had a high temperature of at least 90 °F is September 25 which has happened twice, most recently in 2014.

Earliest Days ≥ 90 °F

Date	Year	Temperature
May 22	1892	91 °F
May 28	1919	90 °F
June 4	2021	90 °F
June 4	1988	94 °F
June 5	1988	95 °F
June 7	2000	90 °F
June 7	1892	94 °F
June 8	1985	90 °F
June 9	1918	91 °F
June 10	1918	93 °F
June 11	1918	92 °F
June 12	1918	90 °F
June 12	1896	90 °F
June 14	2021	93 °F
June 14	1987	90 °F
June 14	1918	91 °F
June 15	2021	94 °F
June 15	1987	90 °F
June 15	1933	90 °F
June 16	2021	93 °F
June 16	1961	90 °F
June 16	1933	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
September 25	2014	91 °F
September 25	2001	90 °F
September 15	2000	92 °F
September 12	1947	90 °F
September 9	1994	90 °F
September 9	1979	91 °F
September 8	1994	91 °F
September 8	1979	93 °F
September 7	2022	90 °F
September 6	2022	92 °F
September 6	2020	92 °F
September 6	1988	90 °F
September 6	1980	90 °F
September 6	1967	90 °F
September 5	2022	90 °F
September 5	2020	93 °F
September 5	2019	90 °F
September 5	2001	90 °F
September 5	1998	91 °F
September 5	1976	90 °F
September 5	1967	93 °F