San Luis Obispo January 18 Weather Records

Daily averages and all-time records for weather in San Luis Obispo, California for the date of January 18.
January 18 All-Time Records
1893–2024
Highest temperature 87 °F 2014
Lowest temperature 26 °F 1987
Lowest daily high 50 °F 1935
Highest daily low 54 °F 1974
Most precipitation 2.12 inches 1973
January 18 Average Weather
1991–2020 1
Average high 65.5 °F
Average low 41.8 °F
Chance precipitation 30.9%
San Luis Obispo January 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 63 43 0.00 n/a
2023 59 37 0.00 n/a
2022 65 51 0.01 n/a
2021 81 43 0.00 n/a
2020 62 32 0.00 0.0
2019 68 48 0.00 0.0
2018 68 46 0.01 n/a
2017 58 42 0.50 n/a
2016 66 53 0.18 0.0
2015 73 43 0.00 0.0
2014 87 42 0.00 0.0
2013 73 34 0.00 0.0
2012 61 28 0.00 0.0
2011 71 52 0.00 n/a
2010 60 49 1.05 n/a
2009 85 40 0.00 n/a
2008 67 31 0.00 n/a
2007 64 33 0.00 n/a
2006 59 44 0.14 n/a
2005 79 42 0.00 n/a
2004 61 39 0.00 n/a
2003 67 37 0.01 n/a
2002 63 36 0.00 n/a
2001 62 29 0.00 n/a
2000 62 53 0.83 n/a
1999 59 50 0.00 n/a
1998 70 48 0.00 0.0
1997 54 43 0.00 0.0
1996 63 36 0.00 0.0
1995 55 35 0.00 0.0
1994 79 n/a 0.00 0.0
1993 58 49 1.00 0.0
1992 66 47 0.00 0.0
1991 74 39 0.00 0.0
1990 53 39 n/a n/a
1989 67 35 0.00 0.0
1988 53 33 0.70 0.0
1987 57 26 0.00 0.0
1986 70 48 0.00 0.0
1985 71 38 0.00 0.0
1984 60 35 0.00 0.0
1983 64 41 0.00 0.0
1982 73 44 0.00 0.0
1981 67 43 0.00 0.0
1980 58 43 0.37 0.0
1979 58 42 0.43 0.0
1978 60 47 0.00 0.0
1977 76 52 0.00 0.0
1976 85 39 0.00 0.0
1975 81 47 0.00 0.0
1974 60 54 0.14 0.0
1973 60 47 2.12 0.0
1972 57 39 0.00 0.0
1971 75 36 0.00 0.0
1970 62 52 0.00 0.0
1969 62 41 0.00 0.0
1968 64 40 0.00 0.0
1967 69 38 0.00 0.0
1966 64 32 0.00 0.0
1965 75 53 0.00 0.0
1964 58 36 0.19 0.0
1963 65 35 0.00 0.0
1962 60 34 0.00 0.0
1961 82 45 0.00 0.0
1960 59 37 0.00 0.0
1959 75 52 0.00 0.0
1958 71 50 0.00 0.0
1957 69 36 0.00 0.0
1956 59 45 0.00 0.0
1955 54 38 0.95 0.0
1954 57 43 1.03 0.0
1953 61 46 0.00 0.0
1952 59 45 0.15 0.0
1951 57 43 0.72 0.0
1950 64 49 0.00 0.0
1949 60 34 0.00 0.0
1948 63 33 0.00 0.0
1947 65 33 0.00 0.0
1946 63 37 0.00 0.0
1945 58 44 0.00 0.0
1944 66 54 0.00 0.0
1943 59 39 0.00 n/a
1942 59 42 n/a n/a
1941 65 41 n/a n/a
1940 59 33 n/a n/a
1939 67 52 n/a n/a
1938 60 50 0.15 n/a
1937 53 35 n/a n/a
1936 61 41 0.00 n/a
1935 50 35 0.56 n/a
1934 70 43 0.00 n/a
1933 52 32 0.00 n/a
1932 68 46 0.00 n/a
1931 70 35 0.00 n/a
1930 54 46 0.13 n/a
1929 58 37 0.28 n/a
1928 63 30 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 0.11 n/a
1916 n/a n/a 0.80 n/a
1915 n/a n/a n/a n/a
1914 n/a n/a 1.80 n/a
1913 n/a n/a 0.06 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 0.20 n/a
1907 n/a n/a 0.05 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 1.82 n/a
1895 n/a n/a 1.91 n/a
1894 n/a n/a 0.30 n/a
What's the all-time high for San Luis Obispo on 1/18?
For the date of Jan 18, the highest temperature ever reached in San Luis Obispo history is 87 °F which happened in 2014.
Highest Temperatures in San Luis Obispo on January 18
Rank Temperature Year
1 87 °F 2014
2 85 °F 1976
2 85 °F 2009
4 82 °F 1961
5 81 °F 1975
5 81 °F 2021
7 79 °F 1994
7 79 °F 2005
9 76 °F 1977
10 75 °F 1971
10 75 °F 1965
10 75 °F 1959
What's the all-time low for San Luis Obispo on 1/18?
For the date of Jan 18, the lowest temperature ever reached in San Luis Obispo history is 26 °F which happened in 1987.
Lowest Temperatures in San Luis Obispo on January 18
Rank Temperature Year
1 26 °F 1987
2 28 °F 2012
3 29 °F 2001
4 30 °F 1928
5 31 °F 2008
6 32 °F 1966
6 32 °F 1933
6 32 °F 2020
9 33 °F 1940
9 33 °F 2007
9 33 °F 1988
9 33 °F 1947
9 33 °F 1948
Lowest High Temperatures in San Luis Obispo on January 18
Rank Temperature Year
1 50 °F 1935
2 52 °F 1933
3 53 °F 1990
3 53 °F 1937
3 53 °F 1988
6 54 °F 1997
6 54 °F 1955
6 54 °F 1930
9 55 °F 1995
10 57 °F 1987
10 57 °F 1972
10 57 °F 1951
10 57 °F 1954
What's the most it has ever rained in San Luis Obispo on 1/18?
For the date of Jan 18, the most precipitation ever recorded in San Luis Obispo history is 2.12 inches which happened in 1973.
All-Time Most Precipitation in San Luis Obispo on January 18
Rank Precipitation Year
1 2.12 inches 1973
2 1.91 inches 1895
3 1.82 inches 1896
4 1.80 inches 1914
5 1.05 inches 2010
6 1.03 inches 1954
7 1.00 inches 1993
8 0.95 inches 1955
9 0.83 inches 2000
10 0.80 inches 1916
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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