Ann Arbor August 21 Weather Records

Daily averages and all-time records for weather in Ann Arbor, Michigan for the date of August 21.
August 21 All-Time Records
1891–2024
Highest temperature 96 °F 1916
Lowest temperature 45 °F 1950
Lowest daily high 68 °F 1997
Highest daily low 74 °F 1968
Most precipitation 1.64 inches 2022
Most snow none -
August 21 Average Weather
1991–2020 1
Average high 81.2 °F
Average low 60.4 °F
Chance precipitation 35.7%
Chance snow 0%
Ann Arbor August 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 83 63 0.00 0.0
2022 80 62 1.64 0.0
2021 87 61 0.00 0.0
2020 87 54 0.00 0.0
2019 86 66 0.02 0.0
2018 81 69 0.61 0.0
2017 87 61 0.00 0.0
2016 77 61 0.17 0.0
2015 78 55 0.00 0.0
2014 81 64 0.00 n/a
2013 85 65 0.00 n/a
2012 79 55 0.00 n/a
2011 78 64 0.07 n/a
2010 81 67 0.33 0.0
2009 78 63 0.00 0.0
2008 86 56 0.00 0.0
2007 75 58 0.07 0.0
2006 82 56 0.00 0.0
2005 83 64 0.00 0.0
2004 71 52 0.01 0.0
2003 92 64 0.00 0.0
2002 83 55 0.00 0.0
2001 80 54 0.00 0.0
2000 72 50 0.00 0.0
1999 81 54 0.00 0.0
1998 88 69 0.00 0.0
1997 68 57 0.02 0.0
1996 85 66 0.01 0.0
1995 86 65 0.00 0.0
1994 74 62 0.02 0.0
1993 76 58 0.00 0.0
1992 77 50 0.00 0.0
1991 78 53 0.00 0.0
1990 68 62 0.35 0.0
1989 81 65 0.00 0.0
1988 77 56 0.00 0.0
1987 81 61 0.20 0.0
1986 84 63 0.00 0.0
1985 70 57 0.00 0.0
1984 80 53 0.00 0.0
1983 86 60 0.00 0.0
1982 82 57 0.00 0.0
1981 80 57 0.00 0.0
1980 82 69 0.58 0.0
1979 78 57 0.05 0.0
1978 80 51 0.00 0.0
1977 68 57 0.12 0.0
1976 87 60 0.00 0.0
1975 77 60 0.66 0.0
1974 87 67 0.00 0.0
1973 78 52 0.00 0.0
1972 86 63 0.00 0.0
1971 87 71 0.00 0.0
1970 79 57 0.00 0.0
1969 78 54 0.00 0.0
1968 91 74 0.00 0.0
1967 75 54 0.00 0.0
1966 78 61 0.20 0.0
1965 73 60 0.00 0.0
1964 76 56 0.83 0.0
1963 87 60 0.00 0.0
1962 85 64 0.30 0.0
1961 78 55 0.00 0.0
1960 75 63 0.05 0.0
1959 92 73 0.00 0.0
1958 76 63 0.40 0.0
1957 81 60 0.00 0.0
1956 71 50 0.00 0.0
1955 n/a n/a n/a n/a
1954 80 55 0.00 0.0
1953 84 58 0.00 0.0
1952 85 68 0.10 0.0
1951 72 64 0.50 0.0
1950 71 45 0.00 0.0
1949 76 50 0.00 0.0
1948 83 59 0.00 0.0
1947 88 69 0.00 0.0
1946 76 52 0.55 0.0
1945 88 68 0.16 0.0
1944 78 66 0.00 0.0
1943 85 60 0.00 0.0
1942 87 66 0.00 0.0
1941 82 60 0.02 0.0
1940 75 47 0.00 0.0
1939 75 62 0.00 0.0
1938 79 65 0.50 0.0
1937 82 65 1.22 0.0
1936 94 66 0.02 0.0
1935 79 67 0.13 0.0
1934 79 46 0.00 0.0
1933 82 60 0.00 0.0
1932 85 55 0.00 0.0
1931 82 56 0.00 0.0
1930 70 58 0.08 n/a
1929 83 53 0.00 n/a
1928 n/a 67 0.02 n/a
1927 71 54 0.00 n/a
1926 82 62 0.46 n/a
1925 69 54 0.81 n/a
1924 80 57 0.00 n/a
1923 72 57 0.30 0.0
1922 72 49 0.00 0.0
1921 69 49 0.00 0.0
1920 79 61 0.11 n/a
1919 80 64 0.01 n/a
1918 91 66 0.08 n/a
1917 79 58 0.00 n/a
1916 96 74 0.00 n/a
1915 71 54 0.65 n/a
1914 78 67 0.15 n/a
1913 85 66 0.54 n/a
1912 79 72 0.00 n/a
1911 80 54 0.00 n/a
1910 86 61 0.01 n/a
1909 73 48 0.00 n/a
1908 75 48 0.00 n/a
1907 71 49 0.00 n/a
1906 93 70 0.00 0.0
1905 86 63 0.00 n/a
1904 84 58 0.00 n/a
1903 81 54 0.00 n/a
1902 77 59 0.00 n/a
1901 88 68 0.02 n/a
1900 82 66 0.00 n/a
1899 86 68 0.00 n/a
1898 92 59 0.00 n/a
1897 80 48 0.00 n/a
1896 75 59 n/a n/a
1895 75 49 n/a n/a
1894 75 48 0.00 n/a
1893 75 57 n/a n/a
1892 72 56 0.00 n/a
What's the all-time high for Ann Arbor on 8/21?
For the date of Aug 21, the highest temperature ever reached in Ann Arbor history is 96 °F which happened in 1916.
Highest Temperatures in Ann Arbor on August 21
Rank Temperature Year
1 96 °F 1916
2 94 °F 1936
3 93 °F 1906
4 92 °F 2003
4 92 °F 1898
4 92 °F 1959
7 91 °F 1968
7 91 °F 1918
9 88 °F 1998
9 88 °F 1901
9 88 °F 1947
9 88 °F 1945
What's the all-time low for Ann Arbor on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Ann Arbor history is 45 °F which happened in 1950.
Lowest Temperatures in Ann Arbor on August 21
Rank Temperature Year
1 45 °F 1950
2 46 °F 1934
3 47 °F 1940
4 48 °F 1894
4 48 °F 1908
4 48 °F 1897
4 48 °F 1909
8 49 °F 1922
8 49 °F 1895
8 49 °F 1907
8 49 °F 1921
Lowest High Temperatures in Ann Arbor on August 21
Rank Temperature Year
1 68 °F 1990
1 68 °F 1997
1 68 °F 1977
4 69 °F 1921
4 69 °F 1925
6 70 °F 1985
6 70 °F 1930
8 71 °F 1950
8 71 °F 1927
8 71 °F 2004
8 71 °F 1956
8 71 °F 1907
8 71 °F 1915
What's the most it has ever rained in Ann Arbor on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Ann Arbor history is 1.64 inches which happened in 2022.
All-Time Most Precipitation in Ann Arbor on August 21
Rank Precipitation Year
1 1.64 inches 2022
2 1.22 inches 1937
3 0.83 inches 1964
4 0.81 inches 1925
5 0.66 inches 1975
6 0.65 inches 1915
7 0.61 inches 2018
8 0.58 inches 1980
9 0.55 inches 1946
10 0.54 inches 1913
Weather Station Details
Years Station Coordinates
1891–2024 University of Michigan location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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