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Half Moon Bay April Precipitation Totals

A time series of total precipitation in the month of April in Half Moon Bay, California from 1940–2023.

Rainiest April in Half Moon Bay History

The rainiest April in Half Moon Bay, California history happened in 1967, with 7.43 inches of total precipitation.

Driest April in Half Moon Bay History

The driest April in Half Moon Bay, California history happened in 1949, when no precipitation was recorded for the entire month.

Half Moon Bay Average April Precipitation by Year

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Year	Precipitation (inches)
2023	0.40
2022	1.84
2021	0.06
2020	1.46
2019	1.32
2018	2.69
2017	3.27
2016	0.95
2015	0.75
2014	1.21
2013	0.76
2012	2.41
2011	0.64
2010	3.59
2009	0.41
2008	0.17
2007	1.96
2006	5.37
2005	1.69
2004	0.31
2001	2.19
2000	3.10
1999	2.73
1998	2.73
1997	0.96
1996	1.98
1995	2.35
1993	1.68
1991	0.90
1990	0.29
1989	1.83
1988	3.04
1987	0.95
1986	0.50
1985	0.13
1984	1.09
1983	3.33
1981	0.24
1980	1.88
1979	0.89
1978	4.50
1977	0.20
1976	2.04
1975	2.14
1974	3.22
1973	0.23
1972	1.25
1971	1.51
1970	0.32
1969	2.76
1968	0.61
1967	7.43
1966	0.71
1965	4.72
1964	0.23
1962	0.82
1961	0.15
1960	1.27
1959	0.42
1958	4.09
1957	1.65
1956	1.88
1955	2.50
1954	1.49
1952	0.62
1951	0.91
1950	2.12
1949	0.00
1948	3.52
1947	0.24
1946	0.18
1945	0.44
1944	2.76
1943	1.78
1942	4.16
1941	4.88
1940	0.48

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