San Jacinto August 20 Weather Records

Daily averages and all-time records for weather in San Jacinto, California for the date of August 20.
August 20 All-Time Records
1893–2024
Highest temperature 109 °F 1992
Lowest temperature 42 °F 1954
Lowest daily high 77 °F 1904
Highest daily low 73 °F 2020
Most precipitation 0.75 inches 1995
Most snow none -
August 20 Average Weather
1991–2020 1
Average high 98.3 °F
Average low 63.2 °F
Chance precipitation 2.2%
Chance snow 0%
San Jacinto August 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 81 70 0.65 n/a
2022 95 68 0.00 n/a
2021 88 60 0.00 n/a
2020 108 73 0.00 n/a
2019 98 62 0.00 n/a
2018 94 69 0.00 n/a
2017 92 59 0.00 n/a
2016 96 64 0.00 n/a
2015 91 60 0.00 n/a
2014 84 63 0.14 n/a
2013 101 67 0.00 n/a
2012 99 70 n/a n/a
2011 89 58 0.00 n/a
2010 98 64 0.00 0.0
2009 n/a n/a 0.00 0.0
2008 95 58 0.00 0.0
2007 105 64 0.00 0.0
2006 100 58 0.00 0.0
2005 n/a n/a 0.00 0.0
2004 93 n/a 0.00 0.0
2003 95 53 0.00 0.0
2002 86 59 0.00 0.0
2001 101 64 0.00 0.0
2000 98 59 0.00 0.0
1999 107 66 0.00 0.0
1998 97 58 0.00 0.0
1997 98 64 0.00 0.0
1996 n/a n/a 0.00 0.0
1995 98 66 0.75 0.0
1994 98 63 0.00 0.0
1993 97 50 0.00 0.0
1992 109 68 0.00 0.0
1991 101 56 0.00 0.0
1990 87 55 0.00 0.0
1989 91 n/a 0.00 0.0
1988 95 58 0.00 0.0
1987 96 60 0.00 0.0
1986 106 69 0.00 0.0
1985 95 52 0.00 0.0
1984 90 67 0.02 0.0
1983 80 63 0.00 0.0
1982 n/a 64 0.00 0.0
1981 n/a n/a n/a n/a
1980 90 53 0.00 0.0
1979 85 63 0.00 0.0
1978 98 51 0.00 0.0
1977 101 66 0.00 0.0
1976 93 48 0.00 0.0
1975 89 55 0.00 0.0
1974 91 54 0.00 0.0
1973 101 67 0.00 0.0
1972 99 59 0.00 0.0
1971 98 58 0.00 0.0
1970 98 59 0.00 0.0
1969 107 56 0.00 0.0
1968 n/a 54 0.00 0.0
1967 105 64 0.00 0.0
1966 98 55 0.00 0.0
1965 98 57 0.00 0.0
1964 100 53 0.00 0.0
1963 103 52 0.00 0.0
1962 105 56 0.00 0.0
1961 104 67 0.28 0.0
1960 103 56 0.00 0.0
1959 85 53 0.00 0.0
1958 100 60 0.00 0.0
1957 95 63 0.00 0.0
1956 97 48 0.00 0.0
1955 101 59 0.00 0.0
1954 90 42 0.00 0.0
1953 103 57 0.00 0.0
1952 98 50 0.00 0.0
1951 101 57 0.00 0.0
1950 97 57 0.00 0.0
1949 107 51 0.00 0.0
1948 n/a n/a n/a n/a
1947 87 52 0.00 0.0
1946 n/a n/a n/a n/a
1945 92 63 0.00 0.0
1944 102 56 0.00 0.0
1943 91 52 0.00 0.0
1942 101 60 0.00 n/a
1941 99 56 0.00 n/a
1940 103 62 0.00 n/a
1939 98 60 0.00 n/a
1938 103 n/a 0.00 0.0
1937 101 59 0.00 n/a
1936 94 51 0.00 n/a
1935 104 60 0.00 0.0
1934 94 65 0.00 n/a
1933 94 59 0.00 n/a
1932 100 60 0.00 n/a
1931 103 61 0.00 n/a
1930 105 52 0.00 n/a
1929 104 62 0.00 n/a
1928 107 61 0.00 n/a
1927 101 62 0.00 n/a
1926 91 55 0.00 n/a
1925 100 51 n/a n/a
1924 84 58 n/a n/a
1923 96 55 n/a n/a
1922 94 63 n/a n/a
1921 101 61 n/a n/a
1920 96 52 n/a n/a
1919 100 63 n/a n/a
1918 89 49 n/a n/a
1917 94 50 n/a n/a
1916 92 53 0.00 n/a
1915 105 60 0.00 n/a
1914 93 51 0.00 n/a
1913 96 51 0.00 n/a
1912 91 50 0.00 n/a
1911 103 59 0.00 n/a
1910 98 66 n/a n/a
1909 99 64 0.00 n/a
1908 103 55 0.00 n/a
1907 104 58 0.00 n/a
1906 82 64 0.00 n/a
1905 97 55 0.00 n/a
1904 77 59 0.00 n/a
1903 92 68 0.00 n/a
1902 87 47 0.00 n/a
1901 92 58 0.00 n/a
1900 87 50 n/a n/a
1899 n/a n/a n/a n/a
1898 103 65 0.00 n/a
1897 n/a n/a n/a n/a
1896 94 61 0.00 n/a
1895 99 54 0.00 n/a
1894 87 60 0.03 n/a
1893 93 54 0.00 n/a
What's the all-time high for San Jacinto on 8/20?
For the date of Aug 20, the highest temperature ever reached in San Jacinto history is 109 °F which happened in 1992.
Highest Temperatures in San Jacinto on August 20
Rank Temperature Year
1 109 °F 1992
2 108 °F 2020
3 107 °F 1928
3 107 °F 1969
3 107 °F 1949
3 107 °F 1999
7 106 °F 1986
8 105 °F 1962
8 105 °F 1915
8 105 °F 2007
8 105 °F 1930
8 105 °F 1967
What's the all-time low for San Jacinto on 8/20?
For the date of Aug 20, the lowest temperature ever reached in San Jacinto history is 42 °F which happened in 1954.
Lowest Temperatures in San Jacinto on August 20
Rank Temperature Year
1 42 °F 1954
2 47 °F 1902
3 48 °F 1976
3 48 °F 1956
5 49 °F 1918
6 50 °F 1952
6 50 °F 1917
6 50 °F 1900
6 50 °F 1993
6 50 °F 1912
Lowest High Temperatures in San Jacinto on August 20
Rank Temperature Year
1 77 °F 1904
2 80 °F 1983
3 81 °F 2023
4 82 °F 1906
5 84 °F 1924
5 84 °F 2014
7 85 °F 1959
7 85 °F 1979
9 86 °F 2002
10 87 °F 1900
10 87 °F 1902
10 87 °F 1990
10 87 °F 1947
10 87 °F 1894
What's the most it has ever rained in San Jacinto on 8/20?
For the date of Aug 20, the most precipitation ever recorded in San Jacinto history is 0.75 inches which happened in 1995.
All-Time Most Precipitation in San Jacinto on August 20
Rank Precipitation Year
1 0.75 inches 1995
2 0.65 inches 2023
3 0.28 inches 1961
4 0.14 inches 2014
5 0.03 inches 1894
6 0.02 inches 1984
Weather Station Details
Years Station Coordinates
1978–2024 San Jacinto location
1893–1978 San Jacinto location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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