Earliest and Latest Days of 100° F in Hannibal

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Hannibal, Missouri history. It is based on NOAA data from the years 1933–2024.

Also see:

Earliest 100 degree day in Hannibal?

The earliest in the year that Hannibal, Missouri had a high temperature of at least 100 °F is May 31 which happened in 1934.

Latest 100 degree day in Hannibal?

The latest in the year that Hannibal, Missouri had a high temperature of at least 100 °F is September 29 which happened in 1953.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 31	1934	104 °F
June 1	1934	103 °F
June 2	1934	100 °F
June 19	1936	104 °F
June 20	1936	100 °F
June 25	1988	101 °F
June 25	1954	100 °F
June 26	1988	103 °F
June 26	1954	101 °F
June 26	1934	100 °F
June 27	1934	101 °F
June 28	2012	100 °F
June 28	1934	102 °F
June 29	2012	104 °F
June 29	1936	102 °F
June 29	1934	102 °F
June 30	2012	103 °F
July 1	2012	100 °F
July 1	1956	100 °F
July 2	1980	100 °F
July 2	1934	102 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 29	1953	100 °F
September 11	1936	101 °F
September 6	1960	100 °F
September 6	1936	100 °F
September 5	1954	100 °F
September 4	1954	101 °F
September 4	1947	100 °F
September 3	2011	100 °F
September 2	2011	102 °F
September 1	2011	101 °F
September 1	1953	100 °F
August 31	2013	100 °F
August 31	1953	100 °F
August 30	1984	105 °F
August 30	1947	103 °F
August 29	1984	102 °F
August 28	1983	100 °F
August 27	2003	101 °F
August 27	1983	100 °F
August 26	2023	100 °F
August 26	1936	106 °F