Petaluma August 20 Weather Records

Daily averages and all-time records for weather in Petaluma, California for the date of August 20.
August 20 All-Time Records
1893–2024
Highest temperature 100 °F 1964
Lowest temperature 42 °F 1928
Lowest daily high 69 °F 1968
Highest daily low 60 °F 1972
Most precipitation 1.00 inches 1997
Most snow none -
August 20 Average Weather
1991–2020 1
Average high 81.9 °F
Average low 53.1 °F
Chance precipitation 1.3%
Chance snow 0%
Petaluma August 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 87 59 0.00 n/a
2022 93 54 0.00 n/a
2021 74 56 0.00 n/a
2020 87 52 0.00 n/a
2019 79 57 0.00 n/a
2018 79 51 0.00 n/a
2017 79 58 0.00 n/a
2016 73 58 0.00 n/a
2015 76 55 0.00 n/a
2014 76 59 0.00 n/a
2013 86 59 0.00 n/a
2012 83 49 0.00 n/a
2011 73 53 0.00 n/a
2010 76 52 0.00 0.0
2009 n/a 56 0.00 0.0
2008 79 57 0.00 0.0
2007 84 57 0.00 0.0
2006 71 53 0.00 0.0
2005 71 53 0.01 0.0
2004 85 58 0.00 0.0
2003 83 57 0.00 0.0
2002 80 51 0.00 0.0
2001 73 53 0.00 0.0
2000 80 47 0.00 0.0
1999 85 50 0.00 0.0
1998 72 54 0.00 0.0
1997 79 56 1.00 0.0
1996 72 46 0.00 0.0
1995 88 54 0.00 0.0
1994 83 49 0.00 0.0
1993 80 54 0.00 0.0
1992 81 51 0.00 0.0
1991 n/a n/a 0.00 0.0
1990 n/a n/a n/a n/a
1989 81 55 0.00 0.0
1988 81 55 0.00 0.0
1987 78 50 0.00 0.0
1986 82 52 0.00 0.0
1985 83 49 0.00 0.0
1984 82 52 0.00 0.0
1983 80 58 0.00 0.0
1982 89 49 0.00 0.0
1981 78 53 0.00 0.0
1980 76 53 0.00 0.0
1979 78 51 0.00 0.0
1978 81 50 0.00 0.0
1977 78 53 0.00 0.0
1976 89 58 0.00 0.0
1975 85 50 0.00 0.0
1974 90 52 0.00 0.0
1973 84 49 0.00 0.0
1972 81 60 0.00 0.0
1971 77 53 0.00 0.0
1970 72 50 0.00 0.0
1969 94 50 0.00 0.0
1968 69 53 0.01 0.0
1967 n/a 50 0.00 0.0
1966 80 53 0.00 0.0
1965 79 52 0.00 0.0
1964 100 56 0.00 0.0
1963 84 56 0.00 0.0
1962 92 51 0.00 0.0
1961 94 59 0.00 0.0
1960 85 52 0.00 0.0
1959 70 46 0.00 0.0
1958 88 54 0.00 0.0
1957 85 46 0.00 0.0
1956 79 57 0.00 0.0
1955 88 49 0.00 0.0
1954 76 55 0.00 0.0
1953 75 57 0.00 0.0
1952 87 50 0.00 0.0
1951 74 55 0.00 0.0
1950 93 53 0.00 0.0
1949 83 48 0.00 0.0
1948 91 51 0.00 0.0
1947 72 59 0.00 0.0
1946 74 50 0.00 0.0
1945 93 51 0.00 0.0
1944 79 48 0.00 0.0
1943 76 50 0.00 n/a
1942 86 52 0.00 n/a
1941 80 56 0.00 n/a
1940 81 51 0.00 n/a
1939 78 53 0.00 n/a
1938 74 53 0.00 0.0
1937 84 46 0.00 n/a
1936 72 46 0.00 n/a
1935 79 45 0.00 0.0
1934 94 49 0.00 n/a
1933 84 46 0.00 n/a
1932 88 45 0.00 n/a
1931 76 52 0.00 n/a
1930 84 47 0.00 n/a
1929 85 52 0.00 n/a
1928 85 42 0.00 n/a
1927 n/a n/a n/a n/a
1926 83 49 0.00 n/a
1925 72 51 0.00 n/a
1924 84 45 n/a n/a
1923 79 57 0.00 n/a
1922 81 45 0.00 n/a
1921 83 n/a n/a n/a
1920 75 53 n/a n/a
1919 83 51 n/a n/a
1918 n/a 43 0.00 n/a
1917 87 48 n/a n/a
1916 95 45 0.00 n/a
1915 75 52 n/a n/a
1914 81 43 n/a n/a
1913 81 52 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 n/a n/a
1894 n/a n/a n/a n/a
1893 n/a n/a n/a n/a
What's the all-time high for Petaluma on 8/20?
For the date of Aug 20, the highest temperature ever reached in Petaluma history is 100 °F which happened in 1964.
Highest Temperatures in Petaluma on August 20
Rank Temperature Year
1 100 °F 1964
2 95 °F 1916
3 94 °F 1961
3 94 °F 1969
3 94 °F 1934
6 93 °F 1945
6 93 °F 1950
6 93 °F 2022
9 92 °F 1962
10 91 °F 1948
What's the all-time low for Petaluma on 8/20?
For the date of Aug 20, the lowest temperature ever reached in Petaluma history is 42 °F which happened in 1928.
Lowest Temperatures in Petaluma on August 20
Rank Temperature Year
1 42 °F 1928
2 43 °F 1914
2 43 °F 1918
4 45 °F 1935
4 45 °F 1932
4 45 °F 1916
4 45 °F 1924
4 45 °F 1922
9 46 °F 1936
9 46 °F 1957
9 46 °F 1959
9 46 °F 1996
9 46 °F 1933
9 46 °F 1937
Lowest High Temperatures in Petaluma on August 20
Rank Temperature Year
1 69 °F 1968
2 70 °F 1959
3 71 °F 2005
3 71 °F 2006
5 72 °F 1996
5 72 °F 1998
5 72 °F 1925
5 72 °F 1947
5 72 °F 1970
5 72 °F 1936
What's the most it has ever rained in Petaluma on 8/20?
For the date of Aug 20, the most precipitation ever recorded in Petaluma history is 1.00 inches which happened in 1997.
All-Time Most Precipitation in Petaluma on August 20
Rank Precipitation Year
1 1.00 inches 1997
2 0.01 inches 2005
2 0.01 inches 1968
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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