El Cajon July 17 Weather Records

Daily averages and all-time records for weather in El Cajon, California for the date of July 17.
July 17 All-Time Records
1899–2024
Highest temperature 100 °F 2003
Lowest temperature 47 °F 1923
Lowest daily high 70 °F 1987
Highest daily low 70 °F 1984
Most precipitation none -
July 17 Average Weather
1991–2020 1
Average high 86.9 °F
Average low 63.6 °F
Chance precipitation 1.8%
El Cajon July 17 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 95 67 0.00 n/a
2022 87 65 0.00 n/a
2021 86 65 0.00 n/a
2020 86 61 0.00 n/a
2019 80 63 0.00 n/a
2018 87 68 0.00 n/a
2017 85 66 0.00 n/a
2016 84 66 0.00 n/a
2015 84 64 0.00 n/a
2014 81 67 0.00 n/a
2013 89 60 0.00 n/a
2012 80 61 0.00 n/a
2011 86 60 0.00 n/a
2010 99 69 0.00 0.0
2009 n/a n/a n/a n/a
2008 95 60 0.00 0.0
2007 n/a n/a n/a n/a
2006 86 69 0.00 0.0
2005 89 62 0.00 0.0
2004 93 66 0.00 0.0
2003 100 66 0.00 0.0
2002 85 63 0.00 0.0
2001 81 55 0.00 0.0
2000 n/a n/a 0.00 0.0
1999 89 65 0.00 0.0
1998 n/a n/a n/a n/a
1997 86 64 0.00 0.0
1996 84 66 0.00 0.0
1995 92 63 0.00 0.0
1994 n/a 65 0.00 0.0
1993 82 62 0.00 0.0
1992 94 64 0.00 0.0
1991 79 58 0.00 0.0
1990 90 66 0.00 0.0
1989 84 67 0.00 0.0
1988 n/a 64 0.00 0.0
1987 70 61 0.00 0.0
1986 84 61 0.00 0.0
1985 85 66 0.00 0.0
1984 89 70 0.00 0.0
1983 87 59 0.00 0.0
1982 83 61 0.00 0.0
1981 91 66 0.00 0.0
1980 95 60 0.00 0.0
1959 89 64 0.00 0.0
1958 85 59 0.00 0.0
1957 80 59 0.00 0.0
1956 87 57 0.00 0.0
1955 87 55 0.00 0.0
1954 95 65 0.00 0.0
1953 88 62 0.00 0.0
1952 88 58 0.00 0.0
1951 90 60 0.00 0.0
1950 81 62 0.00 0.0
1949 88 58 0.00 0.0
1948 88 58 0.00 0.0
1947 90 50 0.00 0.0
1946 88 n/a 0.00 0.0
1945 84 54 0.00 0.0
1944 93 54 0.00 n/a
1943 82 57 0.00 0.0
1942 85 61 0.00 n/a
1941 97 61 0.00 0.0
1940 76 55 0.00 n/a
1939 79 52 0.00 n/a
1938 88 57 0.00 n/a
1937 83 59 0.00 n/a
1936 98 66 0.00 n/a
1935 95 64 0.00 n/a
1934 85 58 0.00 n/a
1933 77 60 0.00 n/a
1932 82 54 0.00 0.0
1931 87 64 0.00 n/a
1930 94 64 0.00 n/a
1929 92 64 0.00 n/a
1928 95 58 0.00 n/a
1927 96 56 0.00 n/a
1926 90 58 0.00 n/a
1925 92 68 0.00 n/a
1924 80 55 0.00 n/a
1923 90 47 0.00 n/a
1922 91 58 0.00 n/a
1921 91 60 0.00 n/a
1920 98 56 0.00 n/a
1919 87 65 0.00 n/a
1918 98 54 0.00 n/a
1917 90 66 0.00 n/a
1916 76 57 0.00 n/a
1915 82 58 n/a n/a
1914 84 61 0.00 n/a
1913 84 63 0.00 n/a
1912 88 64 0.00 n/a
1911 n/a 63 0.00 0.0
1910 94 n/a 0.00 0.0
1909 84 55 0.00 n/a
1908 92 60 0.00 n/a
1907 92 48 0.00 n/a
1906 87 60 0.00 n/a
1905 81 56 0.00 n/a
1904 80 54 0.00 n/a
1903 84 56 0.00 n/a
1902 82 54 0.00 n/a
1901 n/a n/a n/a n/a
1900 83 62 n/a n/a
1899 88 50 0.00 0.0
What's the all-time high for El Cajon on 7/17?
For the date of Jul 17, the highest temperature ever reached in El Cajon history is 100 °F which happened in 2003.
Highest Temperatures in El Cajon on July 17
Rank Temperature Year
1 100 °F 2003
2 99 °F 2010
3 98 °F 1936
3 98 °F 1918
3 98 °F 1920
6 97 °F 1941
7 96 °F 1927
8 95 °F 2008
8 95 °F 2023
8 95 °F 1928
8 95 °F 1935
8 95 °F 1954
8 95 °F 1980
What's the all-time low for El Cajon on 7/17?
For the date of Jul 17, the lowest temperature ever reached in El Cajon history is 47 °F which happened in 1923.
Lowest Temperatures in El Cajon on July 17
Rank Temperature Year
1 47 °F 1923
2 48 °F 1907
3 50 °F 1899
3 50 °F 1947
5 52 °F 1939
6 54 °F 1945
6 54 °F 1902
6 54 °F 1932
6 54 °F 1944
6 54 °F 1918
6 54 °F 1904
Lowest High Temperatures in El Cajon on July 17
Rank Temperature Year
1 70 °F 1987
2 76 °F 1940
2 76 °F 1916
4 77 °F 1933
5 79 °F 1939
5 79 °F 1991
7 80 °F 1957
7 80 °F 2012
7 80 °F 2019
7 80 °F 1904
7 80 °F 1924
Weather Station Details
Years Station Coordinates
1979–2024 El Cajon location
1899–1979 El Cajon 2 E location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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