Ann Arbor April 21 Weather Records

Daily averages and all-time records for weather in Ann Arbor, Michigan for the date of April 21.
April 21 All-Time Records
1891–2024
Highest temperature 84 °F 1987
Lowest temperature 18 °F 1904
Lowest daily high 39 °F 1928
Highest daily low 60 °F 1992
Most precipitation 1.35 inches 1937
Most snow 1.3 inches 2021
April 21 Average Weather
1991–2020 1
Average high 62.1 °F
Average low 39.9 °F
Chance precipitation 47.4%
Chance snow 6.6%
Ann Arbor April 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 54 36 0.00 0.0
2023 65 45 0.18 0.0
2022 65 43 0.11 0.0
2021 42 26 0.17 1.3
2020 56 32 0.09 0.0
2019 69 39 0.14 0.0
2018 57 26 0.00 0.0
2017 62 46 0.01 0.0
2016 63 47 0.20 0.0
2015 50 40 0.01 0.0
2014 77 43 0.00 0.0
2013 47 24 0.00 0.0
2012 53 36 0.26 0.0
2011 53 34 0.00 0.0
2010 71 39 0.00 0.0
2009 48 39 0.08 0.0
2008 71 45 0.00 0.0
2007 74 43 0.00 0.0
2006 76 51 0.00 0.0
2005 58 36 0.00 0.0
2004 71 44 0.14 0.0
2003 60 47 0.05 0.0
2002 57 35 0.09 0.2
2001 73 51 0.42 0.0
2000 53 41 0.22 0.0
1999 57 45 0.01 0.0
1998 65 44 0.00 0.0
1997 58 35 0.00 0.0
1996 63 46 0.00 0.0
1995 67 40 0.40 0.0
1994 57 30 0.00 0.0
1993 57 32 0.04 0.2
1992 74 60 0.71 0.0
1991 40 35 0.03 0.0
1990 66 46 0.98 0.0
1989 65 41 0.16 0.0
1988 49 29 0.06 0.0
1987 84 57 0.00 0.0
1986 47 38 0.30 0.0
1985 83 58 0.00 0.0
1984 57 38 0.00 0.0
1983 58 31 0.00 0.0
1982 55 30 0.00 0.0
1981 46 23 0.00 0.0
1980 69 36 0.00 0.0
1979 63 42 0.03 0.0
1978 49 32 0.06 0.2
1977 76 57 0.00 0.0
1976 69 46 0.11 0.0
1975 51 28 0.00 0.0
1974 73 46 0.00 0.0
1973 78 60 0.00 0.0
1972 55 34 0.00 0.0
1971 71 43 0.00 0.0
1970 59 39 0.34 0.0
1969 58 44 0.20 0.0
1968 60 54 0.00 0.0
1967 65 46 0.25 n/a
1966 74 43 0.10 0.0
1965 n/a n/a n/a n/a
1964 68 41 0.59 0.0
1963 61 47 0.00 0.0
1962 65 n/a 0.00 0.0
1961 68 44 n/a 0.0
1960 70 48 0.13 0.0
1959 53 31 0.00 0.0
1958 67 47 0.00 0.0
1957 75 55 0.00 0.0
1956 60 32 0.00 0.0
1955 72 44 0.00 0.0
1954 80 47 0.00 0.0
1953 60 27 0.03 0.3
1952 83 56 0.00 0.0
1951 52 36 0.00 0.0
1950 48 30 0.00 0.0
1949 69 46 0.00 0.0
1948 59 38 0.25 0.0
1947 46 31 0.32 0.0
1946 68 31 0.00 0.0
1945 54 40 0.01 0.0
1944 51 40 0.20 0.0
1943 51 33 0.00 0.0
1942 64 35 0.00 0.0
1941 50 36 0.11 0.0
1940 56 33 0.00 0.0
1939 51 40 0.39 0.0
1938 63 32 0.00 0.0
1937 50 39 1.35 0.0
1936 59 31 0.07 0.0
1935 61 37 0.00 0.0
1934 48 27 0.00 0.0
1933 68 40 0.00 0.0
1932 73 46 0.00 0.0
1931 67 46 0.30 0.0
1930 57 42 0.10 n/a
1929 55 37 0.22 n/a
1928 39 30 0.52 n/a
1927 51 35 0.17 n/a
1926 80 43 0.00 0.0
1925 56 34 0.00 n/a
1924 40 33 0.42 0.0
1923 74 47 0.13 0.0
1922 47 29 0.00 0.0
1921 70 51 0.00 0.0
1920 66 41 0.25 0.0
1919 63 35 0.00 n/a
1918 47 39 0.42 n/a
1917 68 46 0.00 0.0
1916 62 38 0.06 0.0
1915 60 38 0.00 n/a
1914 64 32 0.00 0.0
1913 58 29 0.00 n/a
1912 64 36 0.00 n/a
1911 57 39 0.00 0.0
1910 57 34 0.01 n/a
1909 65 36 0.21 n/a
1908 56 27 0.00 n/a
1907 45 27 0.00 0.0
1906 56 47 0.04 0.0
1905 51 35 0.98 0.0
1904 53 18 0.00 0.0
1903 51 30 0.00 n/a
1902 77 34 0.07 n/a
1901 39 32 0.17 0.0
1900 57 49 0.18 0.0
1899 76 46 0.00 n/a
1898 61 36 0.02 n/a
1897 55 34 0.00 n/a
1896 64 44 0.04 0.0
1895 73 46 0.07 0.0
1894 45 38 0.21 n/a
1893 41 30 n/a 0.5
1892 58 39 0.20 n/a
What's the all-time high for Ann Arbor on 4/21?
For the date of Apr 21, the highest temperature ever reached in Ann Arbor history is 84 °F which happened in 1987.
Highest Temperatures in Ann Arbor on April 21
Rank Temperature Year
1 84 °F 1987
2 83 °F 1952
2 83 °F 1985
4 80 °F 1954
4 80 °F 1926
6 78 °F 1973
7 77 °F 2014
7 77 °F 1902
9 76 °F 1899
9 76 °F 1977
9 76 °F 2006
What's the all-time low for Ann Arbor on 4/21?
For the date of Apr 21, the lowest temperature ever reached in Ann Arbor history is 18 °F which happened in 1904.
Lowest Temperatures in Ann Arbor on April 21
Rank Temperature Year
1 18 °F 1904
2 23 °F 1981
3 24 °F 2013
4 26 °F 2018
4 26 °F 2021
6 27 °F 1953
6 27 °F 1907
6 27 °F 1934
6 27 °F 1908
10 28 °F 1975
Lowest High Temperatures in Ann Arbor on April 21
Rank Temperature Year
1 39 °F 1901
1 39 °F 1928
3 40 °F 1924
3 40 °F 1991
5 41 °F 1893
6 42 °F 2021
7 45 °F 1894
7 45 °F 1907
9 46 °F 1981
9 46 °F 1947
What's the most it has ever rained in Ann Arbor on 4/21?
For the date of Apr 21, the most precipitation ever recorded in Ann Arbor history is 1.35 inches which happened in 1937.
All-Time Most Precipitation in Ann Arbor on April 21
Rank Precipitation Year
1 1.35 inches 1937
2 0.98 inches 1990
2 0.98 inches 1905
4 0.71 inches 1992
5 0.59 inches 1964
6 0.52 inches 1928
7 0.42 inches 1918
7 0.42 inches 1924
7 0.42 inches 2001
10 0.40 inches 1995
All-Time Most Snow in Ann Arbor on April 21
Rank Precipitation Year
1 1.3 inches 2021
2 0.5 inches 1893
3 0.3 inches 1953
4 0.2 inches 1978
4 0.2 inches 1993
4 0.2 inches 2002
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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