San Luis Obispo May 1 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of May 1.
May 1 All-Time Records
1893–2024
Highest temperature 97 °F 1996
Lowest temperature 34 °F 1990
Lowest daily high 58 °F 1955
Highest daily low 67 °F 1996
Most precipitation 0.85 inches 1977
May 1 Average Weather
1991–2020 1
Average high 72.0 °F
Average low 47.7 °F
Chance precipitation 12.0%
San Luis Obispo May 1 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 62 50 0.00 n/a
2022 68 45 0.00 n/a
2021 69 50 0.00 n/a
2020 80 51 0.00 0.0
2019 69 45 0.00 0.0
2018 65 43 0.00 0.0
2017 90 51 0.00 0.0
2016 77 48 0.00 0.0
2015 75 51 0.00 0.0
2014 93 51 0.00 0.0
2013 75 52 0.00 0.0
2012 64 52 0.00 0.0
2011 78 43 0.00 n/a
2010 71 44 0.00 n/a
2009 73 53 0.06 n/a
2008 74 44 0.00 n/a
2007 74 44 0.00 n/a
2006 72 50 0.01 n/a
2005 68 46 0.00 n/a
2004 91 46 0.00 n/a
2003 65 44 0.00 n/a
2002 61 48 0.00 n/a
2001 71 49 0.00 n/a
2000 78 43 0.00 n/a
1999 64 41 0.00 n/a
1998 71 51 0.00 0.0
1997 75 49 0.00 0.0
1996 97 67 0.00 0.0
1995 71 58 0.15 0.0
1994 70 45 0.00 0.0
1993 89 40 0.00 0.0
1992 71 48 0.00 0.0
1991 75 43 0.00 0.0
1990 74 34 0.00 0.0
1989 73 49 0.00 0.0
1988 65 45 0.00 0.0
1987 63 42 0.01 0.0
1986 70 39 0.00 0.0
1985 76 45 0.00 0.0
1984 63 42 0.00 0.0
1983 62 47 0.15 0.0
1982 67 45 0.00 0.0
1981 75 53 0.00 0.0
1980 64 51 0.08 0.0
1979 65 49 0.00 0.0
1978 63 44 0.00 0.0
1977 69 55 0.85 0.0
1976 85 46 0.00 0.0
1975 59 45 0.00 0.0
1974 70 45 0.00 0.0
1973 63 48 0.00 0.0
1972 84 50 0.00 0.0
1971 61 43 0.00 0.0
1970 70 38 0.00 0.0
1969 62 42 0.00 0.0
1968 65 45 0.00 0.0
1967 60 43 0.00 0.0
1966 72 47 0.00 0.0
1965 73 46 0.00 0.0
1964 60 41 0.00 0.0
1963 61 48 0.00 0.0
1962 73 45 0.00 0.0
1961 70 47 0.00 0.0
1960 76 49 0.00 0.0
1959 75 52 0.07 0.0
1958 67 49 0.00 0.0
1957 65 44 0.00 0.0
1956 61 46 0.00 0.0
1955 58 46 0.47 0.0
1954 58 39 0.00 0.0
1953 58 42 0.10 0.0
1952 67 42 0.00 0.0
1951 60 42 0.00 0.0
1950 63 49 0.00 0.0
1949 74 52 0.00 0.0
1948 65 45 0.00 0.0
1947 86 58 0.00 0.0
1946 65 45 0.00 0.0
1945 68 52 0.00 0.0
1944 64 47 0.00 0.0
1943 83 51 0.00 n/a
1942 61 44 0.11 n/a
1941 65 50 0.12 n/a
1940 75 55 0.00 n/a
1939 64 47 0.00 n/a
1938 60 49 0.05 n/a
1937 84 46 0.00 n/a
1936 81 50 0.00 n/a
1935 65 43 0.01 n/a
1934 66 51 0.00 n/a
1933 66 38 0.00 n/a
1932 71 51 0.00 n/a
1931 82 49 0.00 n/a
1930 69 48 0.28 n/a
1929 90 51 0.00 n/a
1928 78 52 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 0.19 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 5/1?
For the date of May 1, the highest temperature ever reached in San Luis Obispo history is 97 °F which happened in 1996.
Highest Temperatures in San Luis Obispo on May 1
Rank Temperature Year
1 97 °F 1996
2 93 °F 2014
3 91 °F 2004
4 90 °F 2017
4 90 °F 1929
6 89 °F 1993
7 86 °F 1947
8 85 °F 1976
9 84 °F 1972
9 84 °F 1937
What's the all-time low for San Luis Obispo on 5/1?
For the date of May 1, the lowest temperature ever reached in San Luis Obispo history is 34 °F which happened in 1990.
Lowest Temperatures in San Luis Obispo on May 1
Rank Temperature Year
1 34 °F 1990
2 38 °F 1970
2 38 °F 1933
4 39 °F 1986
4 39 °F 1954
6 40 °F 1993
7 41 °F 1999
7 41 °F 1964
9 42 °F 1952
9 42 °F 1984
9 42 °F 1987
9 42 °F 1969
9 42 °F 1951
9 42 °F 1953
Lowest High Temperatures in San Luis Obispo on May 1
Rank Temperature Year
1 58 °F 1955
1 58 °F 1954
1 58 °F 1953
4 59 °F 1975
5 60 °F 1951
5 60 °F 1938
5 60 °F 1964
5 60 °F 1967
9 61 °F 1963
9 61 °F 2002
9 61 °F 1942
9 61 °F 1971
9 61 °F 1956
What's the most it has ever rained in San Luis Obispo on 5/1?
For the date of May 1, the most precipitation ever recorded in San Luis Obispo history is 0.85 inches which happened in 1977.
All-Time Most Precipitation in San Luis Obispo on May 1
Rank Precipitation Year
1 0.85 inches 1977
2 0.47 inches 1955
3 0.28 inches 1930
4 0.19 inches 1895
5 0.15 inches 1983
5 0.15 inches 1995
7 0.12 inches 1941
8 0.11 inches 1942
9 0.10 inches 1953
10 0.08 inches 1980
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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