Petaluma October 31 Weather Records

Daily averages and all-time records for weather in Petaluma, California for the date of October 31 (Halloween).
October 31 All-Time Records
1893–2024
Highest temperature 88 °F 1966
Lowest temperature 26 °F 1935
Lowest daily high 58 °F 1996
Highest daily low 61 °F 1997
Most precipitation 0.89 inches 1934
Most snow none -
October 31 Average Weather
1991–2020 1
Average high 71.6 °F
Average low 45.1 °F
Chance precipitation 18.3%
Chance snow 0%
Petaluma October 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 73 38 0.00 n/a
2022 69 43 0.00 n/a
2021 n/a n/a n/a n/a
2020 n/a n/a n/a n/a
2019 71 36 0.00 n/a
2018 82 43 0.00 n/a
2017 68 43 0.00 n/a
2016 64 48 0.14 n/a
2015 83 46 0.00 n/a
2014 74 48 0.31 n/a
2013 74 38 0.00 n/a
2012 64 56 0.00 n/a
2011 78 46 0.00 n/a
2010 66 48 0.00 0.0
2009 n/a n/a 0.00 0.0
2008 63 55 0.44 0.0
2007 63 49 0.00 0.0
2006 63 51 0.00 0.0
2005 74 41 0.00 0.0
2004 70 44 0.00 0.0
2003 60 40 0.27 0.0
2002 70 33 0.00 0.0
2001 69 51 0.00 0.0
2000 70 40 0.01 0.0
1999 81 44 0.00 0.0
1998 66 38 0.03 0.0
1997 77 61 0.00 0.0
1996 58 47 0.00 0.0
1995 59 54 0.00 0.0
1994 79 38 0.00 0.0
1993 68 46 0.00 0.0
1992 67 50 0.10 0.0
1991 n/a n/a n/a n/a
1990 n/a n/a n/a n/a
1989 73 37 0.00 0.0
1988 77 41 0.00 0.0
1987 71 54 0.00 0.0
1986 77 49 0.00 0.0
1985 72 46 0.00 0.0
1984 69 37 0.00 0.0
1983 69 59 0.42 0.0
1982 77 41 0.00 0.0
1981 77 42 0.00 0.0
1980 78 38 0.00 0.0
1979 69 45 0.00 0.0
1978 70 42 0.00 0.0
1977 69 43 0.00 0.0
1976 74 45 0.00 0.0
1975 72 47 0.00 0.0
1974 59 48 0.11 0.0
1973 82 46 0.00 0.0
1972 68 36 0.00 0.0
1971 67 41 0.07 0.0
1970 74 43 0.00 0.0
1969 82 44 0.00 0.0
1968 65 40 0.00 0.0
1967 86 42 0.00 0.0
1966 88 44 0.00 0.0
1965 85 45 0.00 0.0
1964 68 47 0.02 0.0
1963 74 36 0.00 0.0
1962 79 42 0.00 0.0
1961 70 37 0.00 0.0
1960 84 40 0.00 0.0
1959 72 35 0.00 0.0
1958 71 45 0.00 0.0
1957 72 48 0.00 0.0
1956 60 36 0.00 0.0
1955 68 40 0.00 0.0
1954 71 40 0.00 0.0
1953 79 42 0.00 0.0
1952 72 43 0.00 0.0
1951 60 48 0.00 0.0
1950 63 40 0.00 0.0
1949 83 47 0.00 0.0
1948 62 36 0.05 0.0
1947 67 43 0.00 0.0
1946 66 35 0.00 0.0
1945 65 55 0.84 0.0
1944 67 56 0.60 0.0
1943 70 37 0.00 0.0
1942 75 42 0.00 n/a
1941 68 43 0.00 n/a
1940 70 52 0.00 n/a
1939 79 48 0.00 n/a
1938 64 48 0.00 0.0
1937 72 43 0.00 n/a
1936 64 47 0.00 n/a
1935 60 26 0.00 0.0
1934 77 51 0.89 n/a
1933 67 49 0.42 n/a
1932 79 35 0.00 0.0
1931 79 46 0.00 n/a
1930 81 38 0.00 n/a
1929 74 54 n/a n/a
1928 68 36 0.00 n/a
1927 73 51 0.56 n/a
1926 83 33 0.00 n/a
1925 72 49 0.00 n/a
1924 72 n/a 0.00 n/a
1923 69 45 0.00 n/a
1922 58 38 0.00 n/a
1921 72 51 0.00 n/a
1920 70 44 0.00 n/a
1919 72 27 0.00 n/a
1918 62 40 0.00 n/a
1917 77 33 n/a n/a
1916 73 38 0.00 n/a
1915 80 39 0.00 n/a
1914 69 48 0.00 n/a
1913 67 50 0.00 n/a
1912 n/a n/a n/a n/a
1911 n/a n/a n/a n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 n/a n/a 0.00 n/a
1894 n/a n/a 0.00 n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for Petaluma on 10/31?
For the date of Oct 31, the highest temperature ever reached in Petaluma history is 88 °F which happened in 1966.
Highest Temperatures in Petaluma on October 31
Rank Temperature Year
1 88 °F 1966
2 86 °F 1967
3 85 °F 1965
4 84 °F 1960
5 83 °F 1926
5 83 °F 1949
5 83 °F 2015
8 82 °F 2018
8 82 °F 1969
8 82 °F 1973
What's the all-time low for Petaluma on 10/31?
For the date of Oct 31, the lowest temperature ever reached in Petaluma history is 26 °F which happened in 1935.
Lowest Temperatures in Petaluma on October 31
Rank Temperature Year
1 26 °F 1935
2 27 °F 1919
3 33 °F 1926
3 33 °F 1917
3 33 °F 2002
6 35 °F 1932
6 35 °F 1946
6 35 °F 1959
9 36 °F 2019
9 36 °F 1956
9 36 °F 1928
9 36 °F 1972
9 36 °F 1963
9 36 °F 1948
Lowest High Temperatures in Petaluma on October 31
Rank Temperature Year
1 58 °F 1922
1 58 °F 1996
3 59 °F 1974
3 59 °F 1995
5 60 °F 1935
5 60 °F 2003
5 60 °F 1951
5 60 °F 1956
9 62 °F 1948
9 62 °F 1918
What's the most it has ever rained in Petaluma on 10/31?
For the date of Oct 31, the most precipitation ever recorded in Petaluma history is 0.89 inches which happened in 1934.
All-Time Most Precipitation in Petaluma on October 31
Rank Precipitation Year
1 0.89 inches 1934
2 0.84 inches 1945
3 0.60 inches 1944
4 0.56 inches 1927
5 0.44 inches 2008
6 0.42 inches 1983
6 0.42 inches 1933
8 0.31 inches 2014
9 0.27 inches 2003
10 0.14 inches 2016
Weather Station Details
Years Station Coordinates
1893–2024 Petaluma Airport location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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