Earliest and Latest Days of 90° F in Spirit Lake

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

Also see:

Earliest 90 degree day in Spirit Lake?

The earliest in the year that Spirit Lake, Iowa had a high temperature of at least 90 °F is April 29 which happened in 2007.

Latest 90 degree day in Spirit Lake?

The latest in the year that Spirit Lake, Iowa had a high temperature of at least 90 °F is October 4 which happened in 1897.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 29	2007	94 °F
April 30	2007	90 °F
May 2	2021	92 °F
May 2	1901	91 °F
May 8	1895	92 °F
May 10	2011	91 °F
May 10	1900	90 °F
May 13	2022	93 °F
May 14	2013	97 °F
May 14	2001	91 °F
May 14	1894	92 °F
May 15	2001	90 °F
May 15	1894	95 °F
May 17	1901	90 °F
May 18	1998	93 °F
May 18	1901	91 °F
May 20	2022	91 °F
May 24	2010	91 °F
May 25	1900	93 °F
May 26	2018	92 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 4	1897	93 °F
October 3	2006	90 °F
October 3	1897	92 °F
October 2	1897	90 °F
October 1	2023	92 °F
October 1	1953	92 °F
October 1	1897	95 °F
September 30	2023	90 °F
September 30	1897	93 °F
September 29	1897	93 °F
September 28	1898	93 °F
September 28	1897	94 °F
September 28	1894	91 °F
September 27	1894	92 °F
September 25	1897	94 °F
September 24	1897	91 °F
September 23	2017	92 °F
September 22	2016	90 °F
September 21	2022	98 °F
September 21	2005	91 °F
September 21	1895	97 °F