Santa Ana May Precipitation Totals

A time series of total precipitation in the month of May in Santa Ana, California from 1906–2023.

Rainiest May in Santa Ana History

The rainiest May in Santa Ana, California history happened in 1998, with 2.48 inches of total precipitation.

Driest May in Santa Ana History

There have been 42 times where no rain was recorded in Santa Ana, California for the entire month of May. The most recent time this happened was 2014.

Santa Ana Average May Precipitation by Year

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Year	Precipitation (inches)
2023	0.59
2022	0.02
2021	0.06
2020	0.06
2019	0.65
2018	0.11
2017	0.09
2016	0.58
2015	0.89
2014	0.00
2013	0.54
2012	0.00
2011	0.45
2010	0.05
2009	0.00
2008	0.17
2007	0.00
2006	0.70
2005	0.27
2004	0.00
2003	0.82
2002	0.01
2001	0.05
2000	0.03
1999	0.00
1998	2.48
1997	0.01
1996	0.00
1995	0.52
1994	0.16
1993	0.00
1992	0.00
1991	0.00
1990	0.52
1989	0.00
1988	0.00
1987	0.00
1986	0.00
1985	0.00
1984	0.00
1983	0.26
1982	0.14
1981	0.06
1980	0.30
1979	0.00
1978	0.00
1977	2.00
1976	0.00
1975	0.10
1974	0.19
1973	0.00
1972	0.08
1971	0.57
1970	0.00
1969	0.05
1968	0.01
1967	0.00
1966	0.05
1965	0.00
1964	0.00
1963	0.00
1962	0.44
1961	0.00
1960	0.00
1959	0.00
1958	0.00
1956	0.37
1955	1.54
1954	0.00
1953	0.03
1952	0.00
1951	0.05
1950	0.12
1949	0.65
1948	0.00
1947	1.02
1946	0.00
1945	0.00
1944	0.00
1943	0.00
1942	0.08
1941	0.72
1940	0.00
1939	0.05
1938	0.93
1937	0.21
1936	0.00
1935	0.00
1933	0.50
1932	0.00
1931	0.83
1930	2.19
1929	0.00
1928	0.28
1926	0.05
1925	0.11
1924	0.00
1923	0.12
1922	0.14
1920	0.77
1919	0.27
1918	0.39
1917	0.18
1906	0.98

Notes

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