Earliest and Latest Days of 90° F in Alpena

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Alpena, Michigan history. It is based on NOAA data from the years 1916–2024.

Also see:

Earliest 90 degree day in Alpena?

The earliest in the year that Alpena, Michigan had a high temperature of at least 90 °F is April 16 which happened in 2002.

Latest 90 degree day in Alpena?

The latest in the year that Alpena, Michigan had a high temperature of at least 90 °F is October 8 which happened in 2007.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 16	2002	90 °F
April 25	1990	90 °F
May 5	1949	92 °F
May 7	1936	92 °F
May 15	1962	92 °F
May 15	1932	90 °F
May 15	1918	91 °F
May 16	1962	94 °F
May 17	1962	91 °F
May 18	1998	90 °F
May 18	1982	90 °F
May 18	1962	90 °F
May 19	2012	91 °F
May 20	2012	92 °F
May 20	1975	92 °F
May 20	1941	90 °F
May 20	1921	90 °F
May 21	2021	90 °F
May 21	1977	90 °F
May 21	1970	90 °F
May 21	1921	91 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 8	2007	90 °F
September 24	2017	91 °F
September 23	2017	93 °F
September 22	2017	92 °F
September 18	1955	93 °F
September 17	1955	92 °F
September 16	1955	90 °F
September 15	1939	95 °F
September 15	1936	92 °F
September 15	1927	90 °F
September 14	1939	94 °F
September 13	1952	92 °F
September 13	1931	91 °F
September 12	2005	90 °F
September 12	1952	94 °F
September 12	1931	97 °F
September 11	2005	90 °F
September 11	1998	90 °F
September 11	1952	90 °F
September 11	1931	98 °F