Earliest and Latest Days of 70° F in Iron River

This is a list of the earliest and latest days in the year with a high temperature of at least 70 °F in Iron River, Michigan history. It is based on NOAA data from the years 1896–2024.

Also see:

Earliest 70 degree day in Iron River?

The earliest in the year that Iron River, Michigan had a high temperature of at least 70 °F is March 8 which has happened twice, most recently in 2000.

Latest 70 degree day in Iron River?

The latest in the year that Iron River, Michigan had a high temperature of at least 70 °F is November 10 which happened in 1999.

Earliest Days ≥ 70 °F

Date	Year	Temperature
March 8	2000	72 °F
March 8	1987	71 °F
March 9	2000	73 °F
March 15	2012	71 °F
March 18	2012	77 °F
March 19	2012	77 °F
March 19	1918	70 °F
March 20	2012	78 °F
March 21	2012	78 °F
March 22	2012	76 °F
March 27	1946	75 °F
March 27	1945	71 °F
March 27	1910	79 °F
March 28	1946	79 °F
March 28	1945	71 °F
March 28	1910	74 °F
March 28	1905	70 °F
March 29	1946	75 °F
March 29	1910	81 °F
March 30	1910	83 °F

Latest Days ≥ 70 °F

Date	Year	Temperature
November 10	1999	70 °F
November 9	1999	72 °F
November 8	2020	72 °F
November 8	1931	72 °F
November 7	2020	73 °F
November 7	2016	70 °F
November 6	2016	70 °F
November 5	2020	70 °F
November 5	1975	71 °F
November 4	1981	70 °F
November 4	1978	70 °F
November 3	2022	73 °F
November 3	1978	74 °F
November 3	1904	70 °F
November 3	1903	70 °F
November 1	1944	75 °F
November 1	1933	70 °F
October 31	1950	80 °F
October 30	1950	75 °F
October 29	1986	72 °F
October 29	1950	72 °F
October 29	1937	72 °F