Earliest and Latest Days of 90° F in International Falls

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in International Falls, Minnesota history. It is based on NOAA data from the years 1906–2024.

Also see:

Earliest 90 degree day in International Falls?

The earliest in the year that International Falls, Minnesota had a high temperature of at least 90 °F is April 21 which happened in 1980.

Latest 90 degree day in International Falls?

The latest in the year that International Falls, Minnesota had a high temperature of at least 90 °F is September 27 which happened in 1952.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 21	1980	90 °F
April 27	1952	93 °F
April 28	1952	91 °F
April 30	1952	90 °F
May 4	1952	90 °F
May 7	1953	90 °F
May 17	1972	93 °F
May 17	1911	92 °F
May 18	1972	91 °F
May 18	1911	90 °F
May 21	1964	95 °F
May 21	1921	91 °F
May 22	1980	91 °F
May 23	1950	91 °F
May 27	1980	92 °F
May 27	1969	94 °F
May 28	2006	90 °F
May 28	1986	91 °F
May 28	1980	91 °F
May 28	1919	92 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
September 27	1952	91 °F
September 10	1906	93 °F
September 9	1906	93 °F
September 8	1906	92 °F
September 7	2002	92 °F
September 7	1976	95 °F
September 7	1906	96 °F
September 6	1976	93 °F
September 6	1913	93 °F
September 6	1906	91 °F
September 5	2007	90 °F
September 5	1912	92 °F
September 4	1922	91 °F
September 2	2023	90 °F
September 2	1983	91 °F
September 2	1971	92 °F
September 1	1913	90 °F
August 31	1953	91 °F
August 31	1921	94 °F
August 29	1961	90 °F