Vacaville May Precipitation Totals

A time series of total precipitation in the month of May in Vacaville, California from 1893–2023.

Rainiest May in Vacaville History

The rainiest May in Vacaville, California history happened in 1905, with 3.83 inches of total precipitation.

Driest May in Vacaville History

There have been 25 times where no rain was recorded in Vacaville, California for the entire month of May. The most recent time this happened was 2021.

Vacaville Average May Precipitation by Year

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Year	Precipitation (inches)
2023	0.28
2022	0.22
2021	0.00
2020	0.00
2019	2.88
2018	0.00
2017	0.03
2016	0.44
2015	0.00
2014	0.00
2013	0.28
2012	0.00
2011	1.46
2010	0.70
2009	0.88
2008	0.00
2007	0.39
2006	1.33
2005	1.86
2004	0.00
2003	0.84
2002	0.96
2001	0.00
2000	1.18
1999	0.04
1998	3.38
1997	1.09
1996	2.86
1995	1.41
1994	1.05
1993	0.85
1992	0.00
1991	0.31
1990	1.94
1989	0.02
1987	0.18
1986	0.00
1984	0.01
1983	0.59
1982	0.00
1981	0.08
1980	0.57
1979	0.33
1978	0.00
1977	0.91
1976	0.00
1975	0.00
1974	0.00
1973	0.07
1972	0.09
1971	0.71
1970	0.00
1969	0.00
1968	0.25
1967	0.00
1966	0.13
1965	0.04
1964	0.31
1963	0.43
1962	0.02
1960	1.62
1959	0.43
1958	0.51
1957	2.24
1956	0.48
1955	0.26
1954	0.00
1953	1.43
1952	0.12
1950	0.24
1949	0.09
1948	1.28
1947	0.17
1946	0.63
1945	1.09
1944	0.93
1943	0.00
1942	0.84
1941	1.82
1940	0.98
1939	0.48
1938	0.00
1937	0.00
1936	0.51
1935	0.00
1934	0.53
1933	1.05
1932	0.40
1931	0.47
1930	0.24
1929	0.04
1928	0.29
1927	0.06
1926	0.69
1925	2.67
1924	0.16
1922	0.62
1921	0.62
1916	0.41
1913	0.41
1912	1.43
1911	0.30
1910	0.03
1908	0.50
1907	0.02
1906	3.04
1905	3.83
1904	0.02
1903	0.00
1902	1.24
1901	1.04
1900	0.34
1899	1.25
1898	1.94
1897	0.27
1894	1.55
1893	0.55

Notes

Its possible for precipitation totals to include both rain and melted snowfall
Months with more than 10% missing data are excluded