Ann Arbor August 18 Weather Records

Daily averages and all-time records for weather in Ann Arbor, Michigan for the date of August 18.
August 18 All-Time Records
1891–2024
Highest temperature 97 °F 1899
Lowest temperature 43 °F 1963
Lowest daily high 68 °F 1964
Highest daily low 74 °F 1922
Most precipitation 1.62 inches 1988
Most snow none -
August 18 Average Weather
1991–2020 1
Average high 81.4 °F
Average low 60.7 °F
Chance precipitation 36.4%
Chance snow 0%
Ann Arbor August 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 72 52 0.01 0.0
2022 84 53 0.00 0.0
2021 86 62 0.00 0.0
2020 78 54 0.00 0.0
2019 83 65 0.06 0.0
2018 84 66 0.00 0.0
2017 80 67 0.00 0.0
2016 85 63 0.00 0.0
2015 84 66 0.00 0.0
2014 79 61 0.00 n/a
2013 80 59 0.00 n/a
2012 77 49 0.00 n/a
2011 84 62 0.07 n/a
2010 80 59 0.02 0.0
2009 85 69 0.04 0.0
2008 89 63 0.00 0.0
2007 76 48 0.00 0.0
2006 82 66 0.03 0.0
2005 83 63 0.00 0.0
2004 78 59 0.11 0.0
2003 81 54 0.00 0.0
2002 83 62 0.00 0.0
2001 79 59 0.00 0.0
2000 75 59 0.02 0.0
1999 83 59 0.00 0.0
1998 85 66 0.34 0.0
1997 70 55 0.04 0.0
1996 85 57 0.00 0.0
1995 86 69 0.05 0.0
1994 81 58 0.00 0.0
1993 87 64 0.00 0.0
1992 74 54 0.00 0.0
1991 81 60 0.03 0.0
1990 82 69 0.00 0.0
1989 76 52 0.00 0.0
1988 94 67 1.62 0.0
1987 84 58 0.02 0.0
1986 83 61 0.00 0.0
1985 81 64 0.34 0.0
1984 83 63 0.13 0.0
1983 87 71 0.03 0.0
1982 80 53 0.00 0.0
1981 76 46 0.00 0.0
1980 82 62 0.02 0.0
1979 71 55 0.66 0.0
1978 85 64 0.02 0.0
1977 71 47 0.00 0.0
1976 85 54 0.00 0.0
1975 79 54 0.00 0.0
1974 83 60 0.00 0.0
1973 85 62 0.00 0.0
1972 86 70 0.00 0.0
1971 91 59 0.00 0.0
1970 82 65 0.00 0.0
1969 86 67 0.01 0.0
1968 81 60 0.00 0.0
1967 84 65 0.00 0.0
1966 88 65 0.00 0.0
1965 83 66 0.16 0.0
1964 68 54 0.00 0.0
1963 73 43 0.00 0.0
1962 78 52 0.00 0.0
1961 88 58 0.00 0.0
1960 85 64 0.00 0.0
1959 86 67 0.43 0.0
1958 81 48 0.00 0.0
1957 79 61 0.00 0.0
1956 80 69 0.17 0.0
1955 n/a n/a n/a n/a
1954 78 55 0.00 0.0
1953 74 51 0.00 0.0
1952 80 60 0.00 0.0
1951 74 57 0.40 0.0
1950 72 57 0.00 0.0
1949 79 63 1.12 0.0
1948 79 64 0.00 0.0
1947 94 70 0.00 0.0
1946 80 60 0.00 0.0
1945 83 62 0.00 0.0
1944 n/a 54 0.00 0.0
1943 75 49 0.00 0.0
1942 82 58 0.00 0.0
1941 74 58 0.02 0.0
1940 82 68 0.32 0.0
1939 89 63 0.00 0.0
1938 82 58 0.00 0.0
1937 82 62 0.00 0.0
1936 78 57 0.10 0.0
1935 85 71 0.17 0.0
1934 92 65 0.00 0.0
1933 77 60 0.03 0.0
1932 80 61 0.00 0.0
1931 85 65 0.05 0.0
1930 79 52 0.00 n/a
1929 83 64 0.00 n/a
1928 75 65 0.00 n/a
1927 68 55 0.05 n/a
1926 77 63 0.00 n/a
1925 83 66 0.22 n/a
1924 70 45 0.00 n/a
1923 82 55 0.00 0.0
1922 90 74 0.00 0.0
1921 76 62 0.37 0.0
1920 80 62 0.00 n/a
1919 77 60 0.17 n/a
1918 78 59 0.00 n/a
1917 80 51 0.00 n/a
1916 86 67 0.00 n/a
1915 72 47 0.00 n/a
1914 89 63 0.00 n/a
1913 91 63 0.11 n/a
1912 83 64 0.08 n/a
1911 77 60 0.00 n/a
1910 74 65 0.06 n/a
1909 78 58 0.00 n/a
1908 77 56 0.00 n/a
1907 73 54 0.00 n/a
1906 85 67 0.47 0.0
1905 88 56 0.00 n/a
1904 78 55 0.00 n/a
1903 86 58 0.00 n/a
1902 83 51 0.00 n/a
1901 86 70 0.04 n/a
1900 93 64 0.00 n/a
1899 97 58 0.00 n/a
1898 70 61 0.00 n/a
1897 71 56 0.00 n/a
1896 70 46 n/a n/a
1895 85 59 n/a n/a
1894 87 61 0.00 n/a
1893 77 57 0.04 n/a
1892 91 66 0.00 n/a
What's the all-time high for Ann Arbor on 8/18?
For the date of Aug 18, the highest temperature ever reached in Ann Arbor history is 97 °F which happened in 1899.
Highest Temperatures in Ann Arbor on August 18
Rank Temperature Year
1 97 °F 1899
2 94 °F 1988
2 94 °F 1947
4 93 °F 1900
5 92 °F 1934
6 91 °F 1971
6 91 °F 1892
6 91 °F 1913
9 90 °F 1922
10 89 °F 2008
10 89 °F 1939
10 89 °F 1914
What's the all-time low for Ann Arbor on 8/18?
For the date of Aug 18, the lowest temperature ever reached in Ann Arbor history is 43 °F which happened in 1963.
Lowest Temperatures in Ann Arbor on August 18
Rank Temperature Year
1 43 °F 1963
2 45 °F 1924
3 46 °F 1896
3 46 °F 1981
5 47 °F 1915
5 47 °F 1977
7 48 °F 2007
7 48 °F 1958
9 49 °F 1943
9 49 °F 2012
Lowest High Temperatures in Ann Arbor on August 18
Rank Temperature Year
1 68 °F 1927
1 68 °F 1964
3 70 °F 1896
3 70 °F 1898
3 70 °F 1997
3 70 °F 1924
7 71 °F 1897
7 71 °F 1977
7 71 °F 1979
10 72 °F 2023
10 72 °F 1915
10 72 °F 1950
What's the most it has ever rained in Ann Arbor on 8/18?
For the date of Aug 18, the most precipitation ever recorded in Ann Arbor history is 1.62 inches which happened in 1988.
All-Time Most Precipitation in Ann Arbor on August 18
Rank Precipitation Year
1 1.62 inches 1988
2 1.12 inches 1949
3 0.66 inches 1979
4 0.47 inches 1906
5 0.43 inches 1959
6 0.40 inches 1951
7 0.37 inches 1921
8 0.34 inches 1998
8 0.34 inches 1985
10 0.32 inches 1940
Weather Station Details
Years Station Coordinates
1891–2024 University of Michigan location