San Luis Obispo August 31 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of August 31.
August 31 All-Time Records
1893–2024
Highest temperature 102 °F 1996
Lowest temperature 47 °F 1966
Lowest daily high 55 °F 1942
Highest daily low 63 °F 2013
Most precipitation 0.13 inches 1983
August 31 Average Weather
1991–2020 1
Average high 80.2 °F
Average low 54.6 °F
Chance precipitation 1.1%
San Luis Obispo August 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 82 54 0.00 n/a
2022 79 53 0.00 n/a
2021 74 60 0.00 n/a
2020 75 55 0.00 0.0
2019 83 58 0.00 0.0
2018 79 56 0.00 0.0
2017 84 56 0.00 0.0
2016 81 54 0.00 0.0
2015 79 60 0.00 0.0
2014 85 57 0.00 0.0
2013 90 63 0.00 0.0
2012 72 52 0.00 0.0
2011 74 54 0.00 n/a
2010 79 51 0.00 n/a
2009 84 56 0.00 n/a
2008 79 54 0.00 n/a
2007 87 57 0.00 n/a
2006 80 50 0.00 n/a
2005 74 51 0.00 n/a
2004 81 58 0.00 n/a
2003 77 56 0.00 n/a
2002 80 53 0.00 n/a
2001 76 54 0.00 n/a
2000 74 57 0.00 n/a
1999 90 48 0.00 n/a
1998 91 55 0.00 0.0
1997 n/a n/a 0.00 0.0
1996 102 57 0.00 0.0
1995 94 52 0.00 0.0
1994 72 52 0.00 0.0
1993 77 52 0.00 0.0
1992 76 49 0.00 0.0
1991 80 51 0.00 0.0
1990 78 53 0.00 0.0
1989 79 49 0.00 0.0
1988 84 54 0.00 0.0
1987 77 55 0.00 0.0
1986 78 51 0.00 0.0
1985 101 55 0.00 0.0
1984 95 57 0.00 0.0
1983 83 53 0.13 0.0
1982 81 53 0.00 0.0
1981 80 51 0.00 0.0
1980 79 49 0.00 0.0
1979 77 54 0.00 0.0
1978 n/a n/a n/a n/a
1977 75 60 0.00 0.0
1976 86 52 0.00 0.0
1975 84 51 0.00 0.0
1974 79 52 0.00 0.0
1973 75 52 0.00 0.0
1972 84 58 0.00 0.0
1971 75 54 0.00 0.0
1970 68 48 0.00 0.0
1969 78 48 0.00 0.0
1968 79 57 0.00 0.0
1967 80 52 0.00 0.0
1966 75 47 0.00 0.0
1965 75 54 0.00 0.0
1964 68 50 0.00 0.0
1963 80 49 0.00 0.0
1962 71 52 0.00 0.0
1961 75 56 0.00 0.0
1960 72 51 0.00 0.0
1959 80 53 0.00 0.0
1958 79 57 0.00 0.0
1957 75 55 0.00 0.0
1956 73 54 0.00 0.0
1955 91 48 0.00 0.0
1954 78 n/a 0.00 0.0
1953 73 53 0.00 0.0
1952 76 51 0.00 0.0
1951 73 54 0.00 0.0
1950 76 52 0.00 0.0
1949 81 51 0.00 0.0
1948 83 55 0.00 0.0
1947 99 59 0.00 0.0
1946 73 47 0.00 0.0
1945 85 53 0.00 0.0
1944 78 50 0.00 0.0
1943 77 54 0.00 n/a
1942 55 53 0.00 n/a
1941 76 50 0.00 n/a
1940 69 52 0.00 n/a
1939 84 48 0.00 n/a
1938 80 52 0.00 n/a
1937 75 50 0.00 n/a
1936 77 52 0.00 n/a
1935 76 54 0.00 n/a
1934 78 53 0.00 n/a
1933 73 50 0.00 n/a
1932 82 48 0.00 n/a
1931 79 58 0.00 n/a
1930 78 50 0.00 n/a
1929 93 53 0.00 n/a
1928 76 53 0.00 n/a
1927 n/a n/a n/a n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 n/a n/a n/a n/a
1913 n/a n/a n/a 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 0.00 0.0
1906 n/a n/a 0.00 0.0
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 San Luis Obispo on 8/31?
For the date of Aug 31, the highest temperature ever reached in San Luis Obispo history is 102 °F which happened in 1996.
Highest Temperatures in San Luis Obispo on August 31
Rank Temperature Year
1 102 °F 1996
2 101 °F 1985
3 99 °F 1947
4 95 °F 1984
5 94 °F 1995
6 93 °F 1929
7 91 °F 1998
7 91 °F 1955
9 90 °F 1999
9 90 °F 2013
What's the all-time low for San Luis Obispo on 8/31?
For the date of Aug 31, the lowest temperature ever reached in San Luis Obispo history is 47 °F which has happened 2 times, most recently in 1966.
Lowest Temperatures in San Luis Obispo on August 31
Rank Temperature Year
1 47 °F 1966
1 47 °F 1946
3 48 °F 1955
3 48 °F 1970
3 48 °F 1969
3 48 °F 1932
3 48 °F 1999
3 48 °F 1939
9 49 °F 1992
9 49 °F 1980
9 49 °F 1989
9 49 °F 1963
Lowest High Temperatures in San Luis Obispo on August 31
Rank Temperature Year
1 55 °F 1942
2 68 °F 1970
2 68 °F 1964
4 69 °F 1940
5 71 °F 1962
6 72 °F 1994
6 72 °F 2012
6 72 °F 1960
9 73 °F 1951
9 73 °F 1956
9 73 °F 1946
9 73 °F 1933
9 73 °F 1953
What's the most it has ever rained in San Luis Obispo on 8/31?
For the date of Aug 31, the most precipitation ever recorded in San Luis Obispo history is 0.13 inches which happened in 1983.
All-Time Most Precipitation in San Luis Obispo on August 31
Rank Precipitation Year
1 0.13 inches 1983
Weather Station Details
Years Station Coordinates
1999–2024 San Luis Obispo Airport location
1893–1998 San Luis Obispo Poly location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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