Half Moon Bay July Precipitation Totals

A time series of total precipitation in the month of July in Half Moon Bay, California from 1939–2023.

Rainiest July in Half Moon Bay History

The rainiest July in Half Moon Bay, California history happened in 1974, with 1.01 inches of total precipitation.

Driest July in Half Moon Bay History

There have been 31 times where no rain was recorded in Half Moon Bay, California for the entire month of July. The most recent time this happened was 2010.

Half Moon Bay Average July Precipitation by Year

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Year	Precipitation (inches)
2023	0.14
2022	0.50
2021	0.20
2020	0.03
2019	0.10
2018	0.06
2017	0.04
2016	0.26
2015	0.05
2014	0.06
2013	0.03
2012	0.22
2011	0.30
2010	0.00
2009	0.21
2008	0.17
2007	0.38
2006	0.15
2005	0.23
2004	0.34
2002	0.18
2001	0.28
2000	0.26
1999	0.05
1998	0.18
1997	0.13
1996	0.06
1995	0.05
1994	0.13
1993	0.06
1992	0.02
1991	0.27
1990	0.24
1989	0.10
1987	0.00
1986	0.08
1985	0.31
1984	0.06
1983	0.00
1982	0.00
1981	0.00
1980	0.07
1979	0.29
1978	0.00
1977	0.16
1976	0.14
1975	0.52
1974	1.01
1973	0.00
1972	0.00
1971	0.28
1970	0.00
1969	0.00
1968	0.00
1967	0.00
1966	0.12
1965	0.00
1964	0.00
1963	0.00
1962	0.00
1961	0.00
1960	0.00
1959	0.00
1958	0.38
1957	0.00
1956	0.17
1955	0.11
1954	0.10
1953	0.00
1952	0.03
1951	0.12
1950	0.00
1949	0.00
1948	0.00
1947	0.00
1946	0.20
1945	0.00
1944	0.00
1943	0.00
1942	0.00
1941	0.03
1940	0.00
1939	0.00

Notes

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