San Luis Obispo May 31 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of May 31.
May 31 All-Time Records
1893–2024
Highest temperature 96 °F 1938
Lowest temperature 39 °F 2000
Lowest daily high 57 °F 1955
Highest daily low 61 °F 1997
Most precipitation 0.69 inches 1948
May 31 Average Weather
1991–2020 1
Average high 73.5 °F
Average low 50.2 °F
Chance precipitation 5.6%
San Luis Obispo May 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 69 50 0.00 n/a
2022 73 44 0.00 n/a
2021 70 50 0.00 n/a
2020 76 50 0.00 0.0
2019 68 51 0.00 0.0
2018 69 48 0.00 0.0
2017 77 51 0.00 0.0
2016 77 53 0.00 0.0
2015 68 51 0.00 0.0
2014 71 47 0.00 0.0
2013 83 49 0.00 0.0
2012 74 47 0.00 0.0
2011 69 40 0.00 n/a
2010 76 47 0.00 n/a
2009 73 57 0.00 n/a
2008 66 51 0.00 n/a
2007 69 51 0.00 n/a
2006 84 50 0.00 n/a
2005 75 51 0.00 n/a
2004 86 49 0.00 n/a
2003 75 49 0.00 n/a
2002 77 53 0.00 n/a
2001 81 53 0.00 n/a
2000 76 39 0.00 n/a
1999 68 43 0.00 n/a
1998 77 49 0.00 0.0
1997 92 61 0.00 0.0
1996 65 47 0.00 0.0
1995 80 51 0.00 0.0
1994 75 56 0.00 0.0
1993 78 47 0.00 0.0
1992 79 54 0.00 0.0
1991 63 42 0.00 0.0
1990 68 49 0.00 0.0
1989 69 43 0.00 0.0
1988 67 42 0.00 0.0
1987 71 39 n/a 0.0
1986 74 48 0.00 0.0
1985 78 50 0.00 0.0
1984 83 52 0.00 0.0
1983 72 50 0.00 0.0
1982 70 47 0.00 0.0
1981 76 48 0.00 0.0
1980 62 52 0.00 0.0
1979 74 46 0.00 0.0
1978 83 50 0.00 0.0
1977 85 53 0.00 0.0
1976 69 50 0.00 0.0
1975 70 50 0.00 0.0
1974 65 48 0.00 0.0
1973 70 53 0.02 0.0
1972 81 49 0.00 0.0
1971 61 46 0.00 0.0
1970 79 48 0.00 0.0
1969 91 54 0.00 0.0
1968 73 45 0.00 0.0
1967 63 43 0.00 0.0
1966 64 44 0.00 0.0
1965 64 48 0.00 0.0
1964 68 49 0.00 0.0
1963 68 50 0.00 0.0
1962 62 44 0.00 0.0
1961 72 47 0.00 0.0
1960 75 50 0.00 0.0
1959 70 51 0.00 0.0
1958 73 52 0.00 0.0
1957 69 48 0.00 0.0
1956 64 43 0.00 0.0
1955 57 47 0.00 0.0
1954 67 48 0.00 0.0
1953 69 52 0.00 0.0
1952 67 51 0.00 0.0
1951 68 44 0.00 0.0
1950 70 52 0.00 0.0
1949 64 46 0.00 0.0
1948 68 45 0.69 0.0
1947 73 49 0.00 0.0
1946 78 45 0.00 0.0
1945 67 52 0.01 0.0
1944 65 50 0.00 0.0
1943 67 52 0.00 n/a
1942 68 48 0.00 n/a
1941 74 52 n/a n/a
1940 77 57 0.00 n/a
1939 71 47 0.00 n/a
1938 96 52 n/a n/a
1937 74 45 0.00 n/a
1936 68 45 0.00 n/a
1935 68 43 0.00 n/a
1934 69 52 0.00 n/a
1933 71 51 0.00 n/a
1932 70 44 0.00 n/a
1931 70 53 0.00 n/a
1930 68 43 0.00 n/a
1929 69 50 0.00 n/a
1928 75 47 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 0.00 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 0.07 n/a
1893 n/a n/a 0.00 n/a
What's the all-time high for San Luis Obispo on 5/31?
For the date of May 31, the highest temperature ever reached in San Luis Obispo history is 96 °F which happened in 1938.
Highest Temperatures in San Luis Obispo on May 31
Rank Temperature Year
1 96 °F 1938
2 92 °F 1997
3 91 °F 1969
4 86 °F 2004
5 85 °F 1977
6 84 °F 2006
7 83 °F 2013
7 83 °F 1978
7 83 °F 1984
10 81 °F 1972
10 81 °F 2001
What's the all-time low for San Luis Obispo on 5/31?
For the date of May 31, the lowest temperature ever reached in San Luis Obispo history is 39 °F which has happened 2 times, most recently in 2000.
Lowest Temperatures in San Luis Obispo on May 31
Rank Temperature Year
1 39 °F 1987
1 39 °F 2000
3 40 °F 2011
4 42 °F 1988
4 42 °F 1991
6 43 °F 1967
6 43 °F 1989
6 43 °F 1935
6 43 °F 1999
6 43 °F 1956
6 43 °F 1930
Lowest High Temperatures in San Luis Obispo on May 31
Rank Temperature Year
1 57 °F 1955
2 61 °F 1971
3 62 °F 1980
3 62 °F 1962
5 63 °F 1991
5 63 °F 1967
7 64 °F 1956
7 64 °F 1965
7 64 °F 1966
7 64 °F 1949
What's the most it has ever rained in San Luis Obispo on 5/31?
For the date of May 31, the most precipitation ever recorded in San Luis Obispo history is 0.69 inches which happened in 1948.
All-Time Most Precipitation in San Luis Obispo on May 31
Rank Precipitation Year
1 0.69 inches 1948
2 0.07 inches 1894
3 0.02 inches 1973
4 0.01 inches 1945
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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