Earliest and Latest Days of 90° F in Whitewater

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Whitewater, Wisconsin history. It is based on NOAA data from the years 1941–2024.

Also see:

Earliest 90 degree day in Whitewater?

The earliest in the year that Whitewater, Wisconsin had a high temperature of at least 90 °F is April 22 which happened in 1980.

Latest 90 degree day in Whitewater?

The latest in the year that Whitewater, Wisconsin had a high temperature of at least 90 °F is September 30 which happened in 1953.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 22	1980	90 °F
May 1	1952	90 °F
May 4	1959	90 °F
May 4	1952	91 °F
May 5	1959	90 °F
May 5	1952	90 °F
May 12	2022	91 °F
May 13	2022	92 °F
May 14	2022	91 °F
May 15	2022	92 °F
May 18	1977	90 °F
May 19	1977	91 °F
May 19	1975	93 °F
May 20	2012	90 °F
May 20	1977	90 °F
May 20	1975	93 °F
May 21	1977	90 °F
May 22	1956	90 °F
May 24	2010	90 °F
May 25	2010	91 °F
May 25	1950	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
September 30	1953	90 °F
September 29	1953	94 °F
September 27	1998	90 °F
September 26	2017	91 °F
September 25	2017	90 °F
September 24	2017	93 °F
September 23	2017	90 °F
September 21	2017	90 °F
September 18	1988	91 °F
September 18	1955	90 °F
September 17	1955	90 °F
September 15	1998	91 °F
September 14	2005	90 °F
September 14	1998	91 °F
September 13	2005	90 °F
September 13	1998	90 °F
September 13	1952	91 °F
September 12	2005	90 °F
September 12	1952	93 °F
September 11	2013	93 °F
September 11	2005	91 °F
September 11	1983	90 °F
September 11	1978	90 °F
September 11	1952	91 °F