October weather in Half Moon Bay, CA

The average temperature in Half Moon Bay in October is 57.1°F (47.9°F–66.4°F). Average precipitation: 1.26 inches.

October is a fall month in Half Moon Bay, and is warmer than the annual average of 54.9°F. Daily temperatures swing about 18.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 11h 0m. For travel, October is a comfortable month to visit.

Avg High
66.4°F
Avg Low
47.9°F
Precipitation
1.26 in
Daylight
11h 0m

October records in Half Moon Bay

Date Record High Record Low Record Precip
October 1 82.9°F (2014) 37.0°F (2009) 0.27 in (1976)
October 2 88.0°F (1995) 35.1°F (1971) 0.31 in (2025)
October 3 89.1°F (2014) 36.0°F (1971) 0.28 in (1967)
October 4 93.9°F (1985) 39.9°F (1971) 0.24 in (2008)
October 5 90.0°F (2023) 37.0°F (2009) 0.88 in (2011)
October 6 87.1°F (1972) 35.1°F (2007) 0.75 in (1960)
October 7 89.1°F (1992) 36.0°F (2007) 0.97 in (1973)
October 8 90.0°F (1994) 37.9°F (1941) 0.74 in (1973)
October 9 89.1°F (1966) 37.0°F (1941) 1.46 in (1972)
October 10 86.0°F (1946) 37.9°F (1941) 1.40 in (1957)
October 11 86.0°F (1946) 36.0°F (2003) 1.92 in (1972)
October 12 87.1°F (1976) 36.0°F (2019) 2.87 in (1962)
October 13 88.0°F (2004) 35.1°F (2017) 4.90 in (1962)
October 14 88.0°F (2001) 37.0°F (2008) 2.24 in (1962)
October 15 90.0°F (1997) 37.9°F (2003) 1.38 in (1972)
October 16 91.9°F (2020) 36.0°F (1960) 1.91 in (1984)
October 17 84.9°F (1948) 37.9°F (2021) 0.12 in (2010)
October 18 82.0°F (2012) 37.0°F (1949) 0.39 in (1953)
October 19 82.0°F (1998) 36.0°F (2004) 0.82 in (2004)
October 20 91.0°F (1991) 35.1°F (1949) 2.14 in (2004)
October 21 87.1°F (1965) 36.0°F (1949) 1.31 in (1985)
October 22 91.0°F (1965) 36.0°F (1949) 1.07 in (2021)
October 23 88.0°F (1965) 37.0°F (1949) 0.99 in (2012)
October 24 91.9°F (2017) 35.1°F (1956) 1.28 in (2012)
October 25 91.9°F (2017) 34.0°F (2000) 2.20 in (1979)
October 26 93.9°F (2003) 36.0°F (1949) 1.77 in (2000)
October 27 93.9°F (2003) 37.0°F (2022) 0.85 in (1987)
October 28 84.9°F (2006) 37.0°F (1946) 2.35 in (1981)
October 29 84.0°F (1939) 33.1°F (1946) 1.56 in (1992)
October 30 86.0°F (1939) 36.0°F (2009) 1.28 in (1945)
October 31 84.9°F (1966) 39.0°F (1943) 1.74 in (1944)

Other months in Half Moon Bay