Earliest and Latest Days of 100° F in Oshkosh

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

Also see:

Earliest 100 degree day in Oshkosh?

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

Latest 100 degree day in Oshkosh?

The latest in the year that Oshkosh, Wisconsin had a high temperature of at least 100 °F is August 24 which happened in 1948.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 31	1934	104 °F
June 1	1934	102 °F
June 27	1933	100 °F
June 29	1931	101 °F
June 30	1931	101 °F
July 1	1910	100 °F
July 2	1911	100 °F
July 6	2012	100 °F
July 7	1936	104 °F
July 8	1936	103 °F
July 9	1936	102 °F
July 10	1976	100 °F
July 12	1936	105 °F
July 12	1921	101 °F
July 13	1936	107 °F
July 14	1995	101 °F
July 14	1936	105 °F
July 15	1931	100 °F
July 16	1931	102 °F
July 17	1931	100 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
August 24	1948	101 °F
August 18	1988	100 °F
August 17	1988	100 °F
August 16	1937	102 °F
August 13	1944	100 °F
August 6	1918	100 °F
July 31	1916	100 °F
July 30	1916	104 °F
July 29	1941	100 °F
July 29	1916	104 °F
July 28	1916	104 °F
July 27	1916	103 °F
July 20	1930	100 °F
July 17	1931	100 °F
July 16	1931	102 °F
July 15	1931	100 °F
July 14	1995	101 °F
July 14	1936	105 °F
July 13	1936	107 °F
July 12	1936	105 °F
July 12	1921	101 °F