Ann Arbor October 21 Weather Records

Daily averages and all-time records for weather in Ann Arbor, Michigan for the date of October 21.
October 21 All-Time Records
1891–2024
Highest temperature 81 °F 1953
Lowest temperature 19 °F 1895
Lowest daily high 39 °F 1925
Highest daily low 63 °F 1979
Most precipitation 1.02 inches 1984
Most snow 0.4 inches 1987
October 21 Average Weather
1991–2020 1
Average high 60.0 °F
Average low 41.0 °F
Chance precipitation 41.6%
Chance snow 2.1%
Ann Arbor October 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 52 40 0.04 0.0
2022 69 26 0.00 0.0
2021 67 52 0.55 0.0
2020 58 47 0.24 0.0
2019 65 42 0.14 0.0
2018 44 34 0.10 0.1
2017 74 42 0.00 0.0
2016 54 42 0.17 0.0
2015 74 53 0.02 0.0
2014 54 43 0.04 n/a
2013 55 48 0.04 0.0
2012 63 38 0.00 n/a
2011 47 41 0.06 n/a
2010 63 38 0.19 0.0
2009 69 52 0.29 0.0
2008 52 36 0.12 0.0
2007 79 48 0.00 0.0
2006 56 42 0.02 0.0
2005 57 40 0.00 0.0
2004 54 48 0.00 0.0
2003 74 51 0.00 0.0
2002 52 28 0.00 0.0
2001 65 51 0.00 0.0
2000 70 47 0.00 0.0
1999 60 31 0.00 0.0
1998 50 37 0.05 0.0
1997 51 32 0.05 0.0
1996 57 47 0.00 0.0
1995 47 39 0.01 0.0
1994 63 45 0.00 0.0
1993 58 43 0.17 0.0
1992 50 35 0.00 0.0
1991 60 35 0.00 0.0
1990 64 39 0.00 0.0
1989 43 32 0.13 0.3
1988 n/a 42 0.11 0.0
1987 42 33 0.10 0.4
1986 71 49 0.00 0.0
1985 59 44 0.00 0.0
1984 61 45 1.02 0.0
1983 58 41 0.00 0.0
1982 45 36 0.01 0.0
1981 64 39 0.35 0.0
1980 55 40 0.02 0.0
1979 78 63 0.00 0.0
1978 74 46 0.00 0.0
1977 65 38 0.00 0.0
1976 46 34 0.06 0.0
1975 69 46 0.00 0.0
1974 51 27 0.00 0.0
1973 65 41 0.00 0.0
1972 49 40 0.10 0.0
1971 74 57 0.00 0.0
1970 59 51 0.29 0.0
1969 60 41 0.00 0.0
1968 62 39 0.00 0.0
1967 56 38 0.00 0.0
1966 62 37 0.00 0.0
1965 58 54 0.67 0.0
1964 58 38 0.00 0.0
1963 69 54 0.00 0.0
1962 56 42 0.02 0.0
1961 53 46 0.00 0.0
1960 49 36 0.00 0.0
1959 52 31 0.00 0.0
1958 65 45 0.00 0.0
1957 62 41 0.00 0.0
1956 69 55 0.10 0.0
1955 61 42 0.00 0.0
1954 61 38 0.00 0.0
1953 81 55 0.00 0.0
1952 55 27 0.00 0.0
1951 72 42 0.00 0.0
1950 n/a n/a 0.00 n/a
1949 79 59 0.00 0.0
1948 52 34 0.00 0.0
1947 79 53 0.00 0.0
1946 62 40 0.00 0.0
1945 65 41 0.01 0.0
1944 51 38 0.00 0.0
1943 63 38 0.00 0.0
1942 63 47 0.02 0.0
1941 66 54 0.00 0.0
1940 48 38 0.00 0.0
1939 64 50 0.05 0.0
1938 60 40 0.00 0.0
1937 49 38 0.00 0.0
1936 69 48 0.09 0.0
1935 64 48 0.09 0.0
1934 60 49 0.88 0.0
1933 72 43 0.00 0.0
1932 59 42 0.00 0.0
1931 64 43 0.00 0.0
1930 41 27 0.00 n/a
1929 n/a 48 0.61 n/a
1928 63 38 0.00 n/a
1927 61 42 0.00 n/a
1926 50 35 0.00 n/a
1925 39 31 0.04 0.0
1924 49 32 0.00 n/a
1923 48 38 0.00 0.0
1922 67 34 0.00 0.0
1921 57 33 0.00 0.0
1920 80 58 0.00 n/a
1919 53 46 0.06 n/a
1918 59 39 0.00 n/a
1917 45 36 0.08 0.0
1916 42 32 0.04 n/a
1915 65 40 0.00 n/a
1914 76 51 0.00 n/a
1913 44 34 0.03 0.3
1912 72 41 0.00 n/a
1911 52 45 0.01 n/a
1910 58 48 0.54 n/a
1909 62 43 0.00 n/a
1908 64 44 0.00 n/a
1907 50 26 0.00 n/a
1906 61 47 0.00 0.0
1905 48 30 0.00 n/a
1904 52 39 0.09 n/a
1903 63 38 0.00 n/a
1902 56 31 0.00 n/a
1901 70 39 0.00 n/a
1900 71 45 0.00 n/a
1899 56 32 0.00 n/a
1898 52 45 0.03 n/a
1897 56 45 0.17 n/a
1896 41 26 0.00 0.0
1895 44 19 0.00 0.0
1894 74 51 0.00 n/a
1893 56 38 n/a n/a
1892 63 44 0.00 n/a
1891 50 38 n/a n/a
What's the all-time high for Ann Arbor on 10/21?
For the date of Oct 21, the highest temperature ever reached in Ann Arbor history is 81 °F which happened in 1953.
Highest Temperatures in Ann Arbor on October 21
Rank Temperature Year
1 81 °F 1953
2 80 °F 1920
3 79 °F 1947
3 79 °F 2007
3 79 °F 1949
6 78 °F 1979
7 76 °F 1914
8 74 °F 1894
8 74 °F 1978
8 74 °F 2015
8 74 °F 2003
8 74 °F 2017
8 74 °F 1971
What's the all-time low for Ann Arbor on 10/21?
For the date of Oct 21, the lowest temperature ever reached in Ann Arbor history is 19 °F which happened in 1895.
Lowest Temperatures in Ann Arbor on October 21
Rank Temperature Year
1 19 °F 1895
2 26 °F 2022
2 26 °F 1896
2 26 °F 1907
5 27 °F 1974
5 27 °F 1930
5 27 °F 1952
8 28 °F 2002
9 30 °F 1905
10 31 °F 1925
10 31 °F 1999
10 31 °F 1959
10 31 °F 1902
Lowest High Temperatures in Ann Arbor on October 21
Rank Temperature Year
1 39 °F 1925
2 41 °F 1896
2 41 °F 1930
4 42 °F 1916
4 42 °F 1987
6 43 °F 1989
7 44 °F 1895
7 44 °F 1913
7 44 °F 2018
10 45 °F 1982
10 45 °F 1917
What's the most it has ever rained in Ann Arbor on 10/21?
For the date of Oct 21, the most precipitation ever recorded in Ann Arbor history is 1.02 inches which happened in 1984.
All-Time Most Precipitation in Ann Arbor on October 21
Rank Precipitation Year
1 1.02 inches 1984
2 0.88 inches 1934
3 0.67 inches 1965
4 0.61 inches 1929
5 0.55 inches 2021
6 0.54 inches 1910
7 0.35 inches 1981
8 0.29 inches 2009
8 0.29 inches 1970
10 0.24 inches 2020
All-Time Most Snow in Ann Arbor on October 21
Rank Precipitation Year
1 0.4 inches 1987
2 0.3 inches 1989
2 0.3 inches 1913
4 0.1 inches 2018
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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