Average Precipitation in Washington by Year

This page is a list of the average statewide precipitation in the U.S. state of 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 Rainiest Year in Washington History?

1996 was the wettest year in Washington history with an average annual statewide precipitation of 55.0 inches.

What Was the Driest Year in Washington History?

1929 was the driest year in Washington history with an average annual statewide precipitation of 26.0 inches.

Click column headers to sort

Year	Rank	Precipitation (in)
2023	111	35.7
2022	64	42.4
2021	47	43.9
2020	42	45.3
2019	121	33.1
2018	75	41.3
2017	27	48.7
2016	21	49.1
2015	57	43.3
2014	25	48.8
2013	110	35.7
2012	5	52.9
2011	49	43.8
2010	31	47.3
2009	84	39.9
2008	97	37.4
2007	78	40.2
2006	15	50.3
2005	93	38.6
2004	96	37.7
2003	54	43.5
2002	106	36.5
2001	89	39.2
2000	115	34.2
1999	19	49.3
1998	28	48.6
1997	9	51.1
1996	1	55.0
1995	8	51.1
1994	63	42.5
1993	119	33.7
1992	101	37.1
1991	76	40.5
1990	11	50.9
1989	104	36.6
1988	83	40.0
1987	114	34.4
1986	72	41.6
1985	126	30.0
1984	33	47.0
1983	7	51.8
1982	30	47.4
1981	50	43.8
1980	45	44.7
1979	95	38.2
1978	107	36.0
1977	73	41.6
1976	120	33.2
1975	10	50.9
1974	32	47.3
1973	74	41.4
1972	17	49.9
1971	24	48.9
1970	66	42.2
1969	100	37.2
1968	16	50.0
1967	61	42.8
1966	71	41.7
1965	105	36.5
1964	44	45.1
1963	87	39.3
1962	80	40.2
1961	26	48.8
1960	65	42.4
1959	34	46.8
1958	35	46.4
1957	88	39.2
1956	60	43.0
1955	23	48.9
1954	43	45.2
1953	12	50.8
1952	128	27.8
1951	39	45.5
1950	2	54.2
1949	91	38.7
1948	3	53.5
1947	70	41.8
1946	51	43.7
1945	36	46.3
1944	125	30.3
1943	124	32.7
1942	92	38.7
1941	82	40.1
1940	67	42.2
1939	108	35.9
1938	118	33.8
1937	18	49.9
1936	102	37.0
1935	123	32.7
1934	53	43.6
1933	4	53.4
1932	29	47.8
1931	56	43.3
1930	127	28.9
1929	129	26.0
1928	116	34.2
1927	38	45.7
1926	94	38.2
1925	112	35.5
1924	103	37.0
1923	90	39.1
1922	122	32.7
1921	22	49.1
1920	48	43.9
1919	77	40.4
1918	81	40.2
1917	59	43.1
1916	55	43.4
1915	68	42.2
1914	85	39.8
1913	99	37.3
1912	52	43.6
1911	117	33.9
1910	58	43.2
1909	46	44.4
1908	98	37.3
1907	79	40.2
1906	37	45.7
1905	86	39.7
1904	40	45.4
1903	62	42.7
1902	14	50.5
1901	69	42.1
1900	41	45.4
1899	6	52.1
1898	113	35.1
1897	13	50.6
1896	20	49.2
1895	109	35.8