Earliest and Latest Days of 100° F in Bluffton

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Bluffton, Indiana history. It is based on NOAA data from the years 1895–2023.

Also see:

Earliest 100 degree day in Bluffton?

The earliest in the year that Bluffton, Indiana had a high temperature of at least 100 °F is May 27 which happened in 1911.

Latest 100 degree day in Bluffton?

The latest in the year that Bluffton, Indiana had a high temperature of at least 100 °F is September 15 which happened in 1939.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 27	1911	101 °F
June 2	1934	102 °F
June 3	1934	104 °F
June 4	1934	100 °F
June 5	1925	101 °F
June 6	1925	100 °F
June 21	1933	100 °F
June 22	2012	100 °F
June 23	1923	100 °F
June 24	1923	100 °F
June 24	1914	100 °F
June 26	1988	100 °F
June 27	1944	102 °F
June 27	1934	101 °F
June 27	1933	102 °F
June 28	1944	102 °F
June 28	1934	105 °F
June 28	1933	102 °F
June 29	1934	104 °F
June 30	1913	100 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 15	1939	100 °F
September 14	1939	103 °F
September 13	1939	101 °F
September 7	1939	101 °F
September 7	1922	100 °F
September 5	1899	100 °F
August 29	1948	101 °F
August 28	1948	102 °F
August 27	1948	101 °F
August 26	1948	100 °F
August 24	1948	101 °F
August 23	1948	100 °F
August 22	1948	100 °F
August 22	1936	101 °F
August 21	1962	100 °F
August 21	1936	100 °F
August 21	1916	101 °F
August 20	1916	101 °F
August 19	1914	100 °F
August 13	1936	100 °F