Gilroy May 18 Weather Records

Daily averages and all-time records for weather in Gilroy, California for the date of May 18.
May 18 All-Time Records
1906–2023
Highest temperature 106 °F 1997
Lowest temperature 37 °F 1974
Lowest daily high 58 °F 2011
Highest daily low 58 °F 1996
Most precipitation 0.35 inches 1957
Most snow none -
May 18 Average Weather
1991–2020 1
Average high 78.3 °F
Average low 50.3 °F
Chance precipitation 7.2%
Chance snow 0%
Gilroy May 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 87 54 0.00 n/a
2022 91 48 0.00 n/a
2021 81 49 0.00 n/a
2020 n/a n/a n/a n/a
2019 n/a n/a n/a n/a
2018 n/a n/a n/a n/a
2017 n/a n/a n/a n/a
2016 89 55 0.00 n/a
2015 66 45 0.00 n/a
2014 82 44 0.00 n/a
2013 78 46 0.00 n/a
2012 78 47 0.00 n/a
2011 58 50 0.26 n/a
2010 64 54 0.02 0.0
2009 102 54 0.00 0.0
2008 96 57 0.00 0.0
2007 76 47 0.00 0.0
2006 90 54 0.00 0.0
2005 72 48 0.00 0.0
2004 n/a n/a 0.00 0.0
2003 80 40 0.00 0.0
2002 80 50 0.00 0.0
2001 88 51 0.00 0.0
2000 n/a n/a n/a n/a
1999 82 48 0.00 0.0
1998 n/a n/a 0.00 0.0
1997 106 55 0.00 0.0
1996 70 58 0.20 0.0
1995 77 52 0.00 0.0
1994 65 52 0.23 0.0
1993 78 48 0.00 0.0
1992 87 55 0.00 0.0
1991 66 43 0.00 0.0
1990 80 46 0.00 0.0
1989 71 54 0.00 0.0
1988 66 43 0.00 0.0
1987 65 52 0.00 0.0
1986 94 49 0.00 0.0
1985 71 45 0.00 0.0
1984 76 47 0.00 0.0
1983 86 50 0.00 0.0
1982 76 41 0.00 0.0
1981 81 55 0.00 0.0
1980 89 40 0.00 0.0
1979 84 50 0.00 0.0
1978 88 49 0.00 0.0
1977 74 39 0.00 0.0
1976 75 40 0.00 0.0
1975 90 49 0.00 0.0
1974 65 37 0.00 0.0
1973 98 51 0.00 0.0
1972 74 46 0.00 0.0
1971 77 41 0.00 0.0
1970 89 50 0.00 0.0
1969 87 51 0.00 0.0
1968 84 51 0.00 0.0
1967 95 50 0.00 0.0
1966 89 42 0.00 0.0
1965 85 44 0.00 0.0
1964 75 49 0.00 0.0
1963 89 53 0.00 0.0
1962 70 51 0.00 0.0
1961 77 45 0.00 0.0
1960 75 41 0.00 0.0
1959 75 41 0.00 0.0
1958 87 48 0.00 0.0
1957 76 56 0.35 0.0
1956 n/a n/a n/a n/a
1955 n/a n/a n/a n/a
1954 n/a n/a n/a n/a
1953 n/a n/a n/a n/a
1952 n/a n/a n/a n/a
1951 n/a n/a n/a n/a
1950 n/a n/a n/a n/a
1949 n/a n/a n/a n/a
1948 n/a n/a n/a n/a
1947 n/a n/a n/a n/a
1946 n/a n/a n/a n/a
1945 n/a n/a n/a n/a
1944 n/a n/a n/a n/a
1943 n/a n/a n/a n/a
1942 n/a n/a n/a n/a
1941 n/a n/a n/a n/a
1940 n/a n/a n/a n/a
1939 n/a n/a n/a n/a
1938 n/a n/a n/a n/a
1937 n/a n/a n/a n/a
1936 n/a n/a n/a n/a
1935 n/a n/a n/a n/a
1934 n/a n/a n/a n/a
1933 n/a n/a n/a n/a
1932 n/a n/a n/a n/a
1931 n/a n/a n/a n/a
1930 n/a n/a n/a n/a
1929 n/a n/a n/a n/a
1928 n/a n/a n/a 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 0.10 n/a
1916 n/a n/a n/a n/a
1915 n/a n/a 0.00 n/a
1914 n/a n/a 0.00 n/a
1913 n/a n/a 0.08 n/a
1912 n/a n/a n/a n/a
1911 n/a n/a 0.04 n/a
1910 n/a n/a 0.00 n/a
1909 n/a n/a n/a n/a
1908 n/a n/a 0.00 n/a
1907 n/a 55 0.00 n/a
1906 n/a n/a 0.00 n/a
What's the all-time high for Gilroy on 5/18?
For the date of May 18, the highest temperature ever reached in Gilroy history is 106 °F which happened in 1997.
Highest Temperatures in Gilroy on May 18
Rank Temperature Year
1 106 °F 1997
2 102 °F 2009
3 98 °F 1973
4 96 °F 2008
5 95 °F 1967
6 94 °F 1986
7 91 °F 2022
8 90 °F 2006
8 90 °F 1975
10 89 °F 2016
10 89 °F 1963
10 89 °F 1970
10 89 °F 1966
10 89 °F 1980
What's the all-time low for Gilroy on 5/18?
For the date of May 18, the lowest temperature ever reached in Gilroy history is 37 °F which happened in 1974.
Lowest Temperatures in Gilroy on May 18
Rank Temperature Year
1 37 °F 1974
2 39 °F 1977
3 40 °F 1980
3 40 °F 1976
3 40 °F 2003
6 41 °F 1971
6 41 °F 1982
6 41 °F 1959
6 41 °F 1960
10 42 °F 1966
Lowest High Temperatures in Gilroy on May 18
Rank Temperature Year
1 58 °F 2011
2 64 °F 2010
3 65 °F 1974
3 65 °F 1994
3 65 °F 1987
6 66 °F 2015
6 66 °F 1988
6 66 °F 1991
9 70 °F 1996
9 70 °F 1962
What's the most it has ever rained in Gilroy on 5/18?
For the date of May 18, the most precipitation ever recorded in Gilroy history is 0.35 inches which happened in 1957.
All-Time Most Precipitation in Gilroy on May 18
Rank Precipitation Year
1 0.35 inches 1957
2 0.26 inches 2011
3 0.23 inches 1994
4 0.20 inches 1996
5 0.10 inches 1917
6 0.08 inches 1913
7 0.04 inches 1911
8 0.02 inches 2010
Weather Station Details
Years Station Coordinates
1906–2023 Gilroy location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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