Earliest and Latest Days of 90° F in Ottawa

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Ottawa, Kansas history. It is based on NOAA data from the years 1895–2024.

Also see:

Earliest 90 degree day in Ottawa?

The earliest in the year that Ottawa, Kansas had a high temperature of at least 90 °F is March 19 which happened in 1907.

Latest 90 degree day in Ottawa?

The latest in the year that Ottawa, Kansas had a high temperature of at least 90 °F is October 30 which happened in 1950.

Earliest Days ≥ 90 °F

Date	Year	Temperature
March 19	1907	91 °F
March 21	1916	90 °F
March 21	1907	91 °F
March 22	1910	93 °F
March 22	1907	93 °F
March 23	1910	90 °F
March 25	1910	90 °F
March 25	1907	92 °F
April 1	1940	90 °F
April 8	1905	91 °F
April 9	1930	90 °F
April 9	1905	90 °F
April 10	1930	93 °F
April 12	1972	91 °F
April 13	2006	91 °F
April 14	2006	91 °F
April 14	1936	90 °F
April 15	1924	90 °F
April 17	1981	91 °F
April 18	1981	92 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 30	1950	90 °F
October 29	1937	91 °F
October 25	1939	90 °F
October 23	1939	91 °F
October 21	1940	90 °F
October 20	2003	91 °F
October 15	1963	90 °F
October 15	1950	90 °F
October 15	1938	90 °F
October 14	1963	91 °F
October 14	1953	90 °F
October 14	1938	90 °F
October 14	1899	93 °F
October 13	1899	94 °F
October 12	1899	92 °F
October 11	1975	90 °F
October 10	2021	90 °F
October 10	1965	90 °F
October 10	1963	96 °F
October 10	1931	90 °F