Earliest and Latest Days of 80° F in International Falls

This is a list of the earliest and latest days in the year with a high temperature of at least 80 °F in International Falls, Minnesota history. It is based on NOAA data from the years 1906–2024.

Also see:

Earliest 80 degree day in International Falls?

The earliest in the year that International Falls, Minnesota had a high temperature of at least 80 °F is April 6 which happened in 1991.

Latest 80 degree day in International Falls?

The latest in the year that International Falls, Minnesota had a high temperature of at least 80 °F is October 20 which happened in 1953.

Earliest Days ≥ 80 °F

Date	Year	Temperature
April 6	1991	81 °F
April 16	1913	85 °F
April 18	2005	84 °F
April 18	1987	88 °F
April 19	1987	83 °F
April 20	1980	81 °F
April 20	1923	85 °F
April 21	1990	83 °F
April 21	1980	90 °F
April 22	1990	81 °F
April 23	1994	80 °F
April 23	1990	81 °F
April 24	1990	85 °F
April 24	1982	82 °F
April 24	1915	81 °F
April 25	1990	82 °F
April 25	1921	80 °F
April 26	1952	83 °F
April 27	1952	93 °F
April 28	2004	81 °F
April 28	1952	91 °F
April 28	1949	80 °F

Latest Days ≥ 80 °F

Date	Year	Temperature
October 20	1953	80 °F
October 18	1910	81 °F
October 17	1961	82 °F
October 16	1953	81 °F
October 16	1912	81 °F
October 14	1964	81 °F
October 14	1963	82 °F
October 13	1956	82 °F
October 12	1995	83 °F
October 11	2015	88 °F
October 10	1955	80 °F
October 9	1960	80 °F
October 9	1955	80 °F
October 7	1980	83 °F
October 7	1975	82 °F
October 7	1920	80 °F
October 7	1909	82 °F
October 6	2011	81 °F
October 6	1961	81 °F
October 6	1920	80 °F