Wyoming May Precipitation by Year

This page is a list of the average statewide precipitation in the month of May in Wyoming 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 May in Wyoming History?

1908 was the wettest May in Wyoming history with an average monthly statewide precipitation of 5.09 inches.

What Was the Driest May in Wyoming History?

1936 was the driest May in Wyoming history with an average monthly statewide precipitation of 0.46 inches.

Click column headers to sort

Year	Rank	Precipitation (in)
2023	78	1.96
2022	35	2.62
2021	90	1.74
2020	114	1.25
2019	11	3.76
2018	22	3.09
2017	83	1.80
2016	43	2.46
2015	3	4.59
2014	88	1.76
2013	57	2.19
2012	100	1.53
2011	4	4.59
2010	20	3.23
2009	113	1.26
2008	9	4.00
2007	61	2.14
2006	112	1.29
2005	19	3.24
2004	105	1.45
2003	95	1.67
2002	115	1.25
2001	116	1.13
2000	50	2.32
1999	58	2.18
1998	107	1.44
1997	70	2.04
1996	23	3.09
1995	5	4.48
1994	119	1.04
1993	44	2.41
1992	69	2.06
1991	12	3.70
1990	84	1.77
1989	66	2.09
1988	81	1.89
1987	27	2.86
1986	94	1.68
1985	104	1.48
1984	111	1.39
1983	55	2.25
1982	47	2.38
1981	6	4.17
1980	16	3.37
1979	85	1.77
1978	2	4.70
1977	60	2.15
1976	76	1.97
1975	26	2.92
1974	120	1.00
1973	122	0.97
1972	96	1.63
1971	14	3.43
1970	79	1.96
1969	123	0.88
1968	48	2.36
1967	45	2.41
1966	126	0.77
1965	24	2.98
1964	51	2.32
1963	109	1.40
1962	13	3.56
1961	73	2.03
1960	117	1.07
1959	52	2.32
1958	102	1.52
1957	7	4.16
1956	62	2.13
1955	67	2.08
1954	110	1.40
1953	64	2.10
1952	25	2.97
1951	86	1.77
1950	71	2.04
1949	32	2.77
1948	118	1.05
1947	38	2.58
1946	18	3.28
1945	75	2.00
1944	49	2.36
1943	77	1.97
1942	28	2.83
1941	97	1.61
1940	125	0.84
1939	91	1.72
1938	30	2.81
1937	92	1.72
1936	129	0.46
1935	10	3.85
1934	128	0.49
1933	39	2.58
1932	82	1.81
1931	93	1.69
1930	34	2.66
1929	68	2.08
1928	80	1.90
1927	53	2.32
1926	46	2.41
1925	59	2.16
1924	108	1.42
1923	72	2.04
1922	56	2.24
1921	40	2.50
1920	54	2.27
1919	127	0.63
1918	89	1.75
1917	17	3.29
1916	99	1.56
1915	33	2.77
1914	101	1.53
1913	103	1.49
1912	87	1.77
1911	106	1.45
1910	74	2.01
1909	41	2.48
1908	1	5.09
1907	29	2.83
1906	15	3.43
1905	21	3.15
1904	36	2.61
1903	63	2.11
1902	98	1.57
1901	37	2.61
1900	124	0.86
1899	65	2.10
1898	8	4.08
1897	121	0.99
1896	31	2.80
1895	42	2.47