San Luis Obispo January 20 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of January 20.
January 20 All-Time Records
1893–2024
Highest temperature 84 °F 1961
Lowest temperature 29 °F 1945
Lowest daily high 43 °F 1937
Highest daily low 56 °F 2024
Most precipitation 5.60 inches 1969
January 20 Average Weather
1991–2020 1
Average high 65.7 °F
Average low 41.9 °F
Chance precipitation 30.7%
San Luis Obispo January 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 65 56 0.85 n/a
2023 60 37 0.00 n/a
2022 77 42 0.00 n/a
2021 76 53 0.00 n/a
2020 59 46 0.01 n/a
2019 60 48 0.03 n/a
2018 60 43 0.00 0.0
2017 58 47 1.60 n/a
2016 66 49 0.00 0.0
2015 70 47 0.00 0.0
2014 75 35 0.00 0.0
2013 77 32 0.00 0.0
2012 63 46 0.31 n/a
2011 74 41 0.00 n/a
2010 56 43 1.29 n/a
2009 82 42 0.00 n/a
2008 55 32 0.00 n/a
2007 62 32 0.00 n/a
2006 61 35 0.00 n/a
2005 76 42 0.00 n/a
2004 59 38 0.00 n/a
2003 60 44 0.01 n/a
2002 64 38 0.00 n/a
2001 69 31 0.00 n/a
2000 59 51 0.08 n/a
1999 60 54 0.32 n/a
1998 58 41 0.00 0.0
1997 67 39 0.72 0.0
1996 62 45 0.02 0.0
1995 65 38 0.00 0.0
1994 79 42 0.00 0.0
1993 60 44 0.01 0.0
1992 72 43 0.00 0.0
1991 64 39 0.00 0.0
1990 60 34 n/a n/a
1989 80 43 0.00 0.0
1988 59 36 0.00 0.0
1987 59 32 0.00 0.0
1986 60 48 0.00 0.0
1985 60 44 0.00 0.0
1984 65 41 0.00 0.0
1983 57 40 0.04 0.0
1982 56 37 0.77 0.0
1981 71 45 0.00 0.0
1980 59 38 0.00 0.0
1979 58 40 0.00 0.0
1978 60 45 0.08 0.0
1977 77 49 0.00 0.0
1976 82 46 0.00 0.0
1975 82 45 0.00 0.0
1974 62 49 0.00 0.0
1973 54 38 0.00 0.0
1972 51 40 0.00 0.0
1971 71 49 0.00 0.0
1970 67 49 0.25 0.0
1969 58 53 5.60 0.0
1968 73 41 0.00 0.0
1967 69 39 0.00 0.0
1966 55 42 0.02 0.0
1965 63 49 0.00 0.0
1964 57 41 0.19 0.0
1963 62 32 0.00 0.0
1962 54 38 1.95 0.0
1961 84 42 0.00 0.0
1960 62 37 0.00 0.0
1959 66 44 0.00 0.0
1958 68 37 0.00 0.0
1957 68 36 0.24 0.0
1956 60 48 0.10 0.0
1955 54 36 0.00 0.0
1954 51 42 1.06 0.0
1953 63 50 0.00 0.0
1952 58 43 0.00 0.0
1951 57 45 0.00 0.0
1950 69 47 0.00 0.0
1949 50 42 0.81 0.0
1948 71 33 0.00 0.0
1947 68 35 0.00 0.0
1946 73 39 0.00 0.0
1945 55 29 0.00 0.0
1944 80 45 0.00 0.0
1943 57 38 0.00 n/a
1942 73 41 n/a n/a
1941 61 44 0.68 n/a
1940 65 41 n/a n/a
1939 58 48 n/a n/a
1938 57 41 0.16 n/a
1937 43 36 n/a n/a
1936 66 50 0.00 n/a
1935 53 35 0.00 n/a
1934 60 50 0.00 n/a
1933 50 35 0.42 n/a
1932 57 38 0.00 n/a
1931 56 37 0.00 n/a
1930 64 47 n/a n/a
1929 45 36 0.02 n/a
1928 62 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 0.00 n/a
1910 n/a n/a 0.00 n/a
1909 n/a n/a 0.00 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 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 1.39 n/a
1895 n/a n/a 0.24 n/a
1894 n/a n/a 0.15 n/a
What's the all-time high for San Luis Obispo on 1/20?
For the date of Jan 20, the highest temperature ever reached in San Luis Obispo history is 84 °F which happened in 1961.
Highest Temperatures in San Luis Obispo on January 20
Rank Temperature Year
1 84 °F 1961
2 82 °F 1975
2 82 °F 1976
2 82 °F 2009
5 80 °F 1989
5 80 °F 1944
7 79 °F 1994
8 77 °F 2013
8 77 °F 2022
8 77 °F 1977
What's the all-time low for San Luis Obispo on 1/20?
For the date of Jan 20, the lowest temperature ever reached in San Luis Obispo history is 29 °F which happened in 1945.
Lowest Temperatures in San Luis Obispo on January 20
Rank Temperature Year
1 29 °F 1945
2 31 °F 2001
3 32 °F 1987
3 32 °F 1963
3 32 °F 2008
3 32 °F 2007
3 32 °F 2013
8 33 °F 1948
9 34 °F 1990
10 35 °F 1935
10 35 °F 1933
10 35 °F 2014
10 35 °F 2006
10 35 °F 1947
Lowest High Temperatures in San Luis Obispo on January 20
Rank Temperature Year
1 43 °F 1937
2 45 °F 1929
3 50 °F 1949
3 50 °F 1933
5 51 °F 1954
5 51 °F 1972
7 53 °F 1935
8 54 °F 1973
8 54 °F 1962
8 54 °F 1955
What's the most it has ever rained in San Luis Obispo on 1/20?
For the date of Jan 20, the most precipitation ever recorded in San Luis Obispo history is 5.60 inches which happened in 1969.
All-Time Most Precipitation in San Luis Obispo on January 20
Rank Precipitation Year
1 5.60 inches 1969
2 1.95 inches 1962
3 1.60 inches 2017
4 1.39 inches 1896
5 1.29 inches 2010
6 1.06 inches 1954
7 0.85 inches 2024
8 0.81 inches 1949
9 0.77 inches 1982
10 0.72 inches 1997
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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