Earliest and Latest Days of 100° F in Northwood

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Northwood, Iowa history. It is based on NOAA data from the years 1896–2024.

Also see:

Earliest 100 degree day in Northwood?

The earliest in the year that Northwood, Iowa had a high temperature of at least 100 °F is May 15 which happened in 2013.

Latest 100 degree day in Northwood?

The latest in the year that Northwood, Iowa had a high temperature of at least 100 °F is August 17 which happened in 1988.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 15	2013	100 °F
May 31	1934	105 °F
June 2	1934	101 °F
June 8	1985	102 °F
June 13	1987	100 °F
June 14	1987	100 °F
June 18	1953	100 °F
June 21	1988	101 °F
June 22	1988	100 °F
June 23	1934	100 °F
June 27	1934	103 °F
June 30	1933	100 °F
July 4	1990	100 °F
July 6	1936	103 °F
July 8	1974	100 °F
July 10	1936	102 °F
July 11	1936	102 °F
July 12	1936	105 °F
July 13	1936	106 °F
July 14	1995	101 °F
July 14	1936	107 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
August 17	1988	101 °F
August 16	1988	101 °F
August 16	1937	100 °F
August 15	1988	100 °F
August 3	1930	103 °F
July 31	1988	102 °F
July 31	1987	101 °F
July 31	1955	100 °F
July 27	1931	100 °F
July 27	1930	100 °F
July 26	1901	100 °F
July 25	1901	103 °F
July 24	1940	102 °F
July 24	1934	101 °F
July 24	1901	105 °F
July 23	1934	100 °F
July 23	1901	104 °F
July 22	1934	100 °F
July 21	1934	101 °F
July 21	1901	103 °F