Chula Vista August 21 Weather Records

Daily averages and all-time records for weather in Chula Vista, California for the date of August 21.
August 21 All-Time Records
1918–2024
Highest temperature 85 °F 1982
Lowest temperature 57 °F 1959
Lowest daily high 68 °F 1940
Highest daily low 72 °F 2023
Most precipitation 0.69 inches 2023
Most snow none -
August 21 Average Weather
1991–2020 1
Average high 78.2 °F
Average low 65.9 °F
Chance precipitation 0.9%
Chance snow 0%
Chula Vista August 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 74 72 0.69 n/a
2022 76 67 0.00 n/a
2021 76 65 0.00 n/a
2020 82 69 0.00 n/a
2019 77 62 0.00 n/a
2018 78 71 0.00 n/a
2017 75 68 0.00 n/a
2016 79 68 0.00 n/a
2015 76 70 0.00 n/a
2014 80 69 0.00 n/a
2013 79 64 0.00 n/a
2012 73 68 0.00 n/a
2011 71 62 0.00 n/a
2010 74 63 0.00 0.0
2009 73 64 0.00 0.0
2008 n/a n/a n/a n/a
2007 n/a n/a 0.00 0.0
2006 n/a n/a 0.00 0.0
2005 n/a n/a 0.00 0.0
2004 75 65 0.00 0.0
2003 78 68 0.00 0.0
2002 74 65 0.00 0.0
2001 72 65 0.00 0.0
2000 76 66 0.00 0.0
1999 72 64 0.00 0.0
1998 81 62 0.00 0.0
1997 n/a n/a 0.00 0.0
1996 77 64 0.00 0.0
1995 79 67 0.00 0.0
1994 76 66 0.00 0.0
1993 77 62 0.00 0.0
1992 83 70 0.00 0.0
1991 75 64 0.00 0.0
1990 77 60 0.00 0.0
1989 74 65 0.00 0.0
1988 74 65 0.00 0.0
1987 76 62 0.00 0.0
1986 n/a 69 0.00 0.0
1985 77 61 0.00 0.0
1984 81 71 0.00 0.0
1983 80 70 0.00 0.0
1982 85 71 0.00 0.0
1981 76 66 0.00 0.0
1980 75 67 0.00 0.0
1979 72 66 0.00 0.0
1978 73 65 0.00 0.0
1977 75 65 0.00 0.0
1976 72 65 0.00 0.0
1975 69 64 0.00 0.0
1974 70 63 0.00 0.0
1973 82 65 0.00 0.0
1972 76 62 0.00 0.0
1971 74 67 0.00 0.0
1970 72 67 0.00 0.0
1969 75 62 0.00 0.0
1968 72 59 0.00 0.0
1967 75 67 0.00 0.0
1966 74 69 0.00 0.0
1965 n/a n/a 0.00 0.0
1964 72 64 0.00 0.0
1963 74 64 0.00 0.0
1962 71 65 0.00 0.0
1961 76 67 0.00 0.0
1960 n/a n/a 0.00 0.0
1959 72 57 0.00 0.0
1958 74 68 0.00 0.0
1957 78 71 0.00 0.0
1956 72 61 0.00 0.0
1955 n/a n/a 0.00 0.0
1954 70 65 0.00 0.0
1953 70 62 0.00 0.0
1952 73 60 0.00 0.0
1951 70 64 0.00 0.0
1950 69 63 0.00 0.0
1949 76 61 0.00 0.0
1948 69 62 0.00 0.0
1947 70 63 0.00 0.0
1946 73 67 0.00 0.0
1945 71 65 0.00 0.0
1944 75 60 0.00 0.0
1943 73 60 0.00 n/a
1942 72 65 0.00 n/a
1941 70 66 0.00 n/a
1940 68 63 0.00 n/a
1939 73 64 0.00 n/a
1938 73 64 0.00 0.0
1937 71 64 0.00 n/a
1936 71 58 0.00 0.0
1935 76 63 0.00 n/a
1934 72 67 0.00 n/a
1933 71 n/a 0.00 n/a
1932 70 60 0.00 n/a
1931 77 67 0.00 n/a
1930 78 67 0.00 n/a
1929 73 66 0.00 n/a
1928 69 63 0.00 n/a
1927 70 64 0.00 n/a
1926 73 60 0.00 n/a
1925 74 58 0.00 n/a
1924 68 63 0.00 n/a
1923 69 64 0.00 n/a
1922 72 60 0.00 n/a
1921 72 67 0.00 n/a
1920 73 65 0.00 n/a
1919 70 64 0.00 n/a
What's the all-time high for Chula Vista on 8/21?
For the date of Aug 21, the highest temperature ever reached in Chula Vista history is 85 °F which happened in 1982.
Highest Temperatures in Chula Vista on August 21
Rank Temperature Year
1 85 °F 1982
2 83 °F 1992
3 82 °F 2020
3 82 °F 1973
5 81 °F 1998
5 81 °F 1984
7 80 °F 2014
7 80 °F 1983
9 79 °F 2013
9 79 °F 2016
9 79 °F 1995
What's the all-time low for Chula Vista on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Chula Vista history is 57 °F which happened in 1959.
Lowest Temperatures in Chula Vista on August 21
Rank Temperature Year
1 57 °F 1959
2 58 °F 1936
2 58 °F 1925
4 59 °F 1968
5 60 °F 1922
5 60 °F 1932
5 60 °F 1943
5 60 °F 1926
5 60 °F 1952
5 60 °F 1990
5 60 °F 1944
Lowest High Temperatures in Chula Vista on August 21
Rank Temperature Year
1 68 °F 1940
1 68 °F 1924
3 69 °F 1923
3 69 °F 1928
3 69 °F 1975
3 69 °F 1948
3 69 °F 1950
8 70 °F 1951
8 70 °F 1974
8 70 °F 1941
8 70 °F 1947
8 70 °F 1953
8 70 °F 1927
8 70 °F 1919
8 70 °F 1932
8 70 °F 1954
What's the most it has ever rained in Chula Vista on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Chula Vista history is 0.69 inches which happened in 2023.
All-Time Most Precipitation in Chula Vista on August 21
Rank Precipitation Year
1 0.69 inches 2023
Weather Station Details
Years Station Coordinates
1918–2024 Chula Vista location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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