Earliest and Latest Days at or Below 32° F in Fort Madison

This is a list of the earliest and latest days in a winter season where the low temperature fell to at least 32 °F in Fort Madison, Iowa history. It is based on NOAA data from the years 1893–2024.
Earliest freezing temperature in Fort Madison?
The earliest in a winter season that Fort Madison, Iowa has recorded a low temperature of 32 °F or below is September 23 which happened in 1983.
Latest freezing temperature in Fort Madison?
The latest in a winter season that Fort Madison, Iowa has recorded a low temperature of 32 °F or below is May 14 which happened in 1971.

Earliest Days ≤ 32 °F

Date Year Temperature
September 23 1983 32 °F
September 26 1984 31 °F
September 29 1984 31 °F
September 29 1908 32 °F
October 1 1974 30 °F
October 1 1958 32 °F
October 2 2003 32 °F
October 2 1974 27 °F
October 3 1974 26 °F
October 6 2012 31 °F
October 6 1976 31 °F
October 6 1964 30 °F
October 7 2000 29 °F
October 7 1979 32 °F
October 7 1976 32 °F
October 7 1974 28 °F
October 8 2000 30 °F
October 8 1978 28 °F
October 8 1976 28 °F
October 8 1952 25 °F

Latest Days ≤ 32 °F

Date Year Temperature
May 14 1971 32 °F
May 12 1966 29 °F
May 11 1966 22 °F
May 9 1980 29 °F
May 9 1966 32 °F
May 8 1980 30 °F
May 3 2005 31 °F
May 3 1971 32 °F
May 2 1978 30 °F
May 2 1976 30 °F
May 1 1966 31 °F
May 1 1963 32 °F
May 1 1909 31 °F
May 1 1903 32 °F
April 29 1976 29 °F
April 29 1969 30 °F
April 29 1961 32 °F
April 29 1958 27 °F
April 28 2019 32 °F
April 27 1953 32 °F