Earliest and Latest Days of 100° F in Spirit Lake

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Spirit Lake, Iowa history. It is based on NOAA data from the years 1893–2024.

Also see:

Earliest 100 degree day in Spirit Lake?

The earliest in the year that Spirit Lake, Iowa had a high temperature of at least 100 °F is May 28 which happened in 2018.

Latest 100 degree day in Spirit Lake?

The latest in the year that Spirit Lake, Iowa had a high temperature of at least 100 °F is September 18 which happened in 1895.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 28	2018	100 °F
June 6	2011	101 °F
June 13	1897	102 °F
June 30	1894	103 °F
July 4	1901	100 °F
July 5	1895	101 °F
July 11	1894	100 °F
July 12	1901	101 °F
July 13	1901	101 °F
July 14	1901	102 °F
July 15	1901	101 °F
July 16	2006	100 °F
July 16	1901	102 °F
July 16	1894	102 °F
July 17	1901	105 °F
July 17	1894	102 °F
July 18	1894	103 °F
July 19	1901	104 °F
July 20	1901	103 °F
July 21	1901	105 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 18	1895	101 °F
September 13	1897	100 °F
September 7	1893	100 °F
August 10	1896	100 °F
August 8	1894	104 °F
August 7	1896	101 °F
August 7	1894	102 °F
August 6	1896	100 °F
August 5	1896	100 °F
August 4	1896	100 °F
July 31	2006	100 °F
July 31	1894	101 °F
July 30	1894	105 °F
July 29	1894	104 °F
July 27	1894	109 °F
July 26	1894	109 °F
July 25	1901	108 °F
July 25	1894	102 °F
July 24	1901	106 °F
July 23	1901	106 °F
July 23	1894	104 °F