Half Moon Bay December Precipitation Totals

A time series of total precipitation in the month of December in Half Moon Bay, California from 1939–2023.
Rainiest December in Half Moon Bay History
The rainiest December in Half Moon Bay, California history happened in 1955, with 12.66 inches of total precipitation.
Driest December in Half Moon Bay History
The driest December in Half Moon Bay, California history happened in 1989, with just 0.03 inches of total precipitation.
Half Moon Bay Average December Precipitation by Year
Year Precipitation (inches)
2023 3.20
2022 10.54
2021 11.31
2020 2.36
2019 4.49
2018 1.69
2017 0.16
2016 4.34
2015 5.16
2014 10.80
2013 0.23
2012 7.68
2011 0.39
2010 7.71
2009 2.66
2008 2.65
2007 3.72
2006 4.26
2005 9.94
2004 8.64
2003 8.81
2000 0.69
1999 0.93
1998 2.12
1997 3.65
1996 8.83
1995 8.25
1994 3.93
1992 8.10
1991 3.60
1990 2.58
1989 0.03
1988 5.17
1987 6.03
1986 3.10
1985 3.18
1984 3.20
1983 8.44
1982 5.41
1981 6.00
1980 2.44
1979 5.76
1978 0.83
1977 5.60
1976 2.41
1975 0.69
1974 3.64
1973 6.32
1972 3.17
1971 3.40
1970 7.67
1969 4.55
1968 5.90
1967 2.89
1966 3.62
1965 4.96
1963 1.04
1961 2.91
1960 1.70
1959 1.97
1958 1.89
1957 2.38
1956 0.57
1955 12.66
1954 4.53
1953 1.04
1952 10.16
1951 7.20
1950 6.01
1948 4.99
1947 1.37
1946 2.59
1945 7.23
1944 3.67
1943 2.75
1942 3.09
1941 8.93
1940 6.19
1939 0.90