Washington May Temperature by Year

This page is a list of the average statewide temperature in the month of May in Washington for each year from 1895–2023. It is a statewide average over the entire territory of the state, based on data from the NOAA.

State:

Month:

What Was the Hottest May in Washington History?

2023 was the warmest May in Washington history. Statewide, the average daily high temperature was 70.2 °F, and the average low was 46.3 °F.

What Was the Coldest May in Washington History?

1899 was the coolest May in Washington history. Statewide, the average daily high temperature was 58.1 °F, and the average low was 37.1 °F.

Click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	1	70.2	46.3
2022	119	57.9	38.9
2021	50	64.7	40.5
2020	37	64.3	42.4
2019	12	67.0	44.1
2018	3	69.3	45.9
2017	32	65.5	41.8
2016	15	66.4	43.8
2015	7	67.6	44.5
2014	26	66.2	42.4
2013	34	65.0	41.9
2012	86	62.4	39.4
2011	116	58.8	38.3
2010	114	59.0	38.4
2009	55	64.8	39.8
2008	39	64.2	41.9
2007	45	65.6	40.2
2006	43	65.2	40.8
2005	20	65.3	44.2
2004	53	63.0	41.8
2003	77	62.4	40.2
2002	103	60.5	38.9
2001	39	66.0	40.2
2000	81	61.6	40.6
1999	117	59.9	37.1
1998	45	62.7	43.0
1997	24	66.0	43.0
1996	123	58.0	38.4
1995	22	66.6	42.5
1994	29	65.6	42.5
1993	4	68.6	45.4
1992	7	69.8	42.3
1991	99	59.8	40.4
1990	93	60.6	40.6
1989	74	62.5	40.4
1988	70	62.8	40.3
1987	26	66.3	42.2
1986	55	63.4	41.2
1985	43	65.2	40.8
1984	123	58.4	38.0
1983	31	66.8	41.3
1982	87	63.0	38.4
1981	81	61.2	41.0
1980	64	62.2	41.9
1979	39	65.3	41.0
1978	102	60.5	39.0
1977	114	58.9	38.4
1976	77	63.6	38.9
1975	87	62.4	39.0
1974	121	58.6	38.0
1973	45	65.7	40.0
1972	33	65.5	41.6
1971	48	64.8	40.8
1970	74	64.0	38.8
1969	22	67.4	41.7
1968	69	63.4	39.9
1967	84	62.6	39.4
1966	50	66.0	39.2
1965	103	61.4	38.0
1964	105	61.3	37.8
1963	60	64.5	39.6
1962	121	57.6	39.1
1961	77	61.9	40.7
1960	109	59.3	39.2
1959	109	60.4	38.0
1958	1	71.9	44.5
1957	10	66.7	44.7
1956	18	67.8	42.0
1955	128	58.2	37.2
1954	60	64.7	39.5
1953	98	61.5	39.0
1952	50	65.1	40.1
1951	60	64.4	39.8
1950	107	61.4	37.3
1949	17	68.1	42.0
1948	99	59.6	40.6
1947	5	69.6	42.8
1946	26	67.7	41.0
1945	38	65.0	41.4
1944	55	64.6	40.0
1943	113	60.0	37.8
1942	93	60.9	40.3
1941	65	62.6	41.3
1940	14	68.4	42.0
1939	35	66.4	40.3
1938	53	65.5	39.3
1937	60	64.9	39.4
1936	10	68.1	43.3
1935	74	65.0	37.8
1934	19	67.6	42.1
1933	127	57.9	37.7
1932	84	62.5	39.4
1931	15	68.7	41.4
1930	95	61.9	39.0
1929	70	64.3	39.0
1928	12	70.0	41.3
1927	117	58.9	38.2
1926	66	63.7	39.9
1925	20	67.5	41.8
1924	5	71.1	41.2
1923	77	62.5	40.0
1922	95	63.0	37.6
1921	70	64.4	38.9
1920	123	60.7	35.7
1919	87	63.0	38.4
1918	107	61.1	37.5
1917	101	60.4	39.4
1916	126	59.0	37.2
1915	66	61.9	41.6
1914	29	67.5	40.7
1913	81	62.4	39.8
1912	39	65.3	40.9
1911	111	60.4	37.8
1910	24	68.3	40.7
1909	106	61.4	37.6
1908	112	59.7	38.3
1907	35	66.4	40.4
1906	70	62.6	40.6
1905	87	61.9	39.4
1904	87	63.2	38.2
1903	87	62.4	39.0
1902	66	61.8	41.8
1901	55	63.7	41.0
1900	49	64.4	41.0
1899	129	58.1	37.1
1898	59	65.0	39.4
1897	9	69.0	42.8
1896	119	58.9	37.9
1895	95	61.6	39.2