Earliest and Latest Days of 90° F in Miles City

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Miles City, Montana history. It is based on NOAA data from the years 1893–2024.

Also see:

Earliest 90 degree day in Miles City?

The earliest in the year that Miles City, Montana had a high temperature of at least 90 °F is April 20 which has happened 3 times, most recently in 1980.

Latest 90 degree day in Miles City?

The latest in the year that Miles City, Montana had a high temperature of at least 90 °F is October 16 which happened in 1991.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 20	1980	90 °F
April 20	1910	90 °F
April 20	1908	91 °F
April 21	1980	92 °F
April 23	2012	91 °F
April 23	1906	90 °F
April 24	2012	90 °F
April 26	1910	90 °F
April 28	1987	90 °F
April 28	1952	91 °F
April 30	1926	90 °F
April 30	1901	90 °F
May 1	1901	92 °F
May 2	1985	90 °F
May 4	1918	90 °F
May 4	1897	91 °F
May 5	1934	93 °F
May 5	1911	90 °F
May 6	1992	90 °F
May 6	1966	90 °F
May 6	1928	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 16	1991	90 °F
October 10	2015	91 °F
October 10	1942	90 °F
October 9	1955	90 °F
October 5	2021	90 °F
October 5	1920	91 °F
October 4	2011	92 °F
October 4	1963	93 °F
October 3	1992	90 °F
October 3	1922	91 °F
October 2	1997	95 °F
October 2	1992	90 °F
October 1	2011	95 °F
October 1	2005	94 °F
October 1	1997	90 °F
October 1	1992	92 °F
October 1	1957	90 °F
October 1	1953	93 °F
September 30	1997	90 °F
September 30	1992	91 °F
September 30	1989	93 °F
September 30	1963	91 °F
September 30	1906	90 °F