San Jacinto May 21 Weather Records

Daily averages and all-time records for weather in San Jacinto, California for the date of May 21.
May 21 All-Time Records
1893–2024
Highest temperature 109 °F 1967
Lowest temperature 35 °F 1948
Lowest daily high 55 °F 1921
Highest daily low 69 °F 1988
Most precipitation 0.86 inches 1920
Most snow none -
May 21 Average Weather
1991–2020 1
Average high 83.2 °F
Average low 53.0 °F
Chance precipitation 6.4%
Chance snow 0%
San Jacinto May 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 89 58 0.00 n/a
2022 75 60 0.00 n/a
2021 67 51 0.00 n/a
2020 89 51 0.00 n/a
2019 61 52 0.00 n/a
2018 75 55 0.05 n/a
2017 97 60 0.00 n/a
2016 68 53 0.00 n/a
2015 68 54 0.00 n/a
2014 75 50 0.00 n/a
2013 92 56 0.00 n/a
2012 101 58 0.00 n/a
2011 84 52 0.00 n/a
2010 77 54 0.00 0.0
2009 87 57 0.00 0.0
2008 77 54 0.00 0.0
2007 n/a n/a 0.00 0.0
2006 n/a n/a n/a n/a
2005 100 58 0.00 0.0
2004 n/a n/a 0.00 0.0
2003 102 57 0.00 0.0
2002 68 44 0.00 0.0
2001 96 55 0.00 0.0
2000 105 58 0.00 0.0
1999 73 49 0.00 0.0
1998 73 44 0.00 0.0
1997 86 55 0.00 0.0
1996 82 51 0.00 0.0
1995 77 51 0.00 0.0
1994 85 46 0.00 0.0
1993 83 54 0.00 0.0
1992 82 53 0.00 0.0
1991 73 49 0.00 0.0
1990 n/a n/a 0.00 0.0
1989 94 50 0.00 0.0
1988 101 69 0.00 0.0
1987 73 51 0.00 0.0
1986 80 54 0.00 0.0
1985 90 52 0.00 0.0
1984 87 52 0.00 0.0
1983 91 47 0.00 0.0
1982 78 52 0.00 0.0
1981 82 43 0.00 0.0
1980 70 51 0.07 0.0
1979 n/a 54 0.00 0.0
1978 87 48 0.00 0.0
1977 87 46 0.00 0.0
1976 82 45 0.00 0.0
1975 68 41 0.02 0.0
1974 92 44 0.00 0.0
1973 84 51 0.00 0.0
1972 74 40 0.00 0.0
1971 86 46 0.00 0.0
1970 86 45 0.00 0.0
1969 85 50 0.00 0.0
1968 80 49 0.00 0.0
1967 109 51 0.00 0.0
1966 85 54 0.00 0.0
1965 82 50 0.00 0.0
1964 97 48 0.00 0.0
1963 83 51 0.00 0.0
1962 81 44 0.00 0.0
1961 86 45 0.00 0.0
1960 83 42 0.00 0.0
1959 79 50 0.00 0.0
1958 94 51 0.00 0.0
1957 68 51 0.07 0.0
1956 91 47 0.00 0.0
1955 78 51 0.00 0.0
1954 77 51 0.00 0.0
1953 78 51 0.00 0.0
1952 84 48 0.00 0.0
1951 73 47 0.00 0.0
1950 90 45 0.00 0.0
1949 87 42 0.00 0.0
1948 79 35 0.00 0.0
1947 84 52 0.00 0.0
1946 70 53 0.00 0.0
1945 83 41 0.00 0.0
1944 74 53 0.00 0.0
1943 92 47 0.00 n/a
1942 98 53 0.00 n/a
1941 95 47 0.00 n/a
1940 84 55 0.00 n/a
1939 83 41 0.00 n/a
1938 76 47 0.00 0.0
1937 83 48 0.00 n/a
1936 87 45 0.00 0.0
1935 96 47 0.00 0.0
1934 92 51 0.00 n/a
1933 62 45 0.18 n/a
1932 78 54 0.00 n/a
1931 87 48 0.00 n/a
1930 83 50 0.00 n/a
1929 92 46 0.00 n/a
1928 84 56 0.00 n/a
1927 75 46 0.00 n/a
1926 91 49 0.00 n/a
1925 82 52 n/a n/a
1924 78 41 0.00 0.0
1923 78 49 n/a n/a
1922 76 45 n/a n/a
1921 55 51 0.29 n/a
1920 74 55 0.86 n/a
1919 71 52 0.11 n/a
1918 78 44 n/a n/a
1917 74 47 0.00 0.0
1916 90 49 0.00 n/a
1915 80 42 0.00 n/a
1914 86 53 n/a n/a
1913 86 51 0.00 n/a
1912 71 52 0.00 n/a
1911 75 45 0.00 0.0
1910 80 52 0.00 0.0
1909 65 52 0.00 n/a
1908 79 47 0.00 n/a
1907 82 44 0.00 n/a
1906 63 51 0.03 n/a
1905 60 55 0.00 n/a
1904 n/a n/a n/a n/a
1903 60 46 0.00 n/a
1902 74 48 0.00 n/a
1901 80 48 0.00 n/a
1900 86 50 0.00 n/a
1899 n/a n/a n/a n/a
1898 n/a n/a n/a n/a
1897 84 55 0.00 n/a
1896 82 46 0.00 n/a
1895 78 54 0.00 n/a
1894 77 40 0.00 n/a
1893 87 40 0.00 n/a
What's the all-time high for San Jacinto on 5/21?
For the date of May 21, the highest temperature ever reached in San Jacinto history is 109 °F which happened in 1967.
Highest Temperatures in San Jacinto on May 21
Rank Temperature Year
1 109 °F 1967
2 105 °F 2000
3 102 °F 2003
4 101 °F 1988
4 101 °F 2012
6 100 °F 2005
7 98 °F 1942
8 97 °F 1964
8 97 °F 2017
10 96 °F 1935
10 96 °F 2001
What's the all-time low for San Jacinto on 5/21?
For the date of May 21, the lowest temperature ever reached in San Jacinto history is 35 °F which happened in 1948.
Lowest Temperatures in San Jacinto on May 21
Rank Temperature Year
1 35 °F 1948
2 40 °F 1894
2 40 °F 1972
2 40 °F 1893
5 41 °F 1945
5 41 °F 1924
5 41 °F 1975
5 41 °F 1939
9 42 °F 1949
9 42 °F 1915
9 42 °F 1960
Lowest High Temperatures in San Jacinto on May 21
Rank Temperature Year
1 55 °F 1921
2 60 °F 1905
2 60 °F 1903
4 61 °F 2019
5 62 °F 1933
6 63 °F 1906
7 65 °F 1909
8 67 °F 2021
9 68 °F 1975
9 68 °F 2015
9 68 °F 1957
9 68 °F 2016
9 68 °F 2002
What's the most it has ever rained in San Jacinto on 5/21?
For the date of May 21, the most precipitation ever recorded in San Jacinto history is 0.86 inches which happened in 1920.
All-Time Most Precipitation in San Jacinto on May 21
Rank Precipitation Year
1 0.86 inches 1920
2 0.29 inches 1921
3 0.18 inches 1933
4 0.11 inches 1919
5 0.07 inches 1980
5 0.07 inches 1957
7 0.05 inches 2018
8 0.03 inches 1906
9 0.02 inches 1975
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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