Earliest and Latest Days of 90° F in Pullman

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Pullman, Washington history. It is based on NOAA data from the years 1940–2024.

Also see:

Earliest 90 degree day in Pullman?

The earliest in the year that Pullman, Washington had a high temperature of at least 90 °F is May 5 which happened in 1966.

Latest 90 degree day in Pullman?

The latest in the year that Pullman, Washington had a high temperature of at least 90 °F is October 2 which happened in 2008.

Earliest Days ≥ 90 °F

Date	Year	Temperature
May 5	1966	90 °F
May 13	1993	90 °F
May 13	1988	90 °F
May 16	2006	90 °F
May 17	2006	90 °F
May 18	2006	91 °F
May 19	2006	91 °F
May 23	2001	90 °F
May 24	2001	97 °F
May 25	2003	92 °F
May 25	2001	92 °F
May 27	2001	92 °F
May 29	1983	92 °F
May 30	1983	90 °F
May 31	2017	91 °F
June 1	1986	92 °F
June 2	2001	91 °F
June 2	1986	91 °F
June 3	2021	93 °F
June 4	2021	90 °F
June 4	2007	90 °F
June 4	1970	92 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 2	2008	90 °F
October 1	1992	90 °F
September 28	2022	91 °F
September 28	1963	93 °F
September 27	1963	94 °F
September 26	1963	90 °F
September 25	2011	96 °F
September 25	1994	92 °F
September 25	1962	90 °F
September 25	1943	91 °F
September 24	2001	93 °F
September 24	1952	90 °F
September 22	2014	90 °F
September 22	1966	94 °F
September 21	1967	93 °F
September 21	1966	90 °F
September 20	2008	92 °F
September 19	1981	92 °F
September 18	2008	92 °F
September 18	1981	98 °F