Waterloo May 9 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of May 9.
May 9 All-Time Records
1895–2024
Highest temperature 95 °F 1934
Lowest temperature 25 °F 2020
Lowest daily high 47 °F 1945
Highest daily low 73 °F 1934
Most precipitation 1.42 inches 1996
Most snow none -
May 9 Average Weather
1991–2020 1
Average high 68.8 °F
Average low 45.8 °F
Chance precipitation 39.5%
Chance snow 0.5%
Waterloo May 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 66 52 0.78 0.0
2023 75 53 0.00 0.0
2022 90 62 0.27 0.0
2021 64 40 0.03 0.0
2020 70 25 0.00 0.0
2019 49 40 0.00 0.0
2018 71 54 0.07 0.0
2017 74 47 0.00 0.0
2016 61 54 0.45 0.0
2015 70 53 0.00 0.0
2014 64 41 0.00 0.0
2013 66 54 0.45 0.0
2012 66 45 0.00 0.0
2011 74 57 0.01 0.0
2010 59 30 0.00 0.0
2009 60 45 0.00 0.0
2008 64 48 0.00 0.0
2007 79 51 0.00 0.0
2006 73 52 0.27 0.0
2005 74 58 0.00 0.0
2004 84 57 0.00 0.0
2003 71 52 0.22 0.0
2002 58 44 0.00 0.0
2001 85 52 0.14 0.0
2000 63 43 0.02 0.0
1999 69 35 0.00 0.0
1998 77 53 0.00 0.0
1997 65 42 0.00 0.0
1996 65 54 1.42 0.0
1995 66 53 0.61 0.0
1994 74 43 0.00 0.0
1993 78 60 0.54 0.0
1992 85 43 0.00 0.0
1991 77 47 0.00 0.0
1990 61 42 1.10 0.0
1989 64 43 0.05 0.0
1988 63 52 0.07 0.0
1987 87 59 0.00 0.0
1986 73 54 0.32 0.0
1985 85 60 0.00 0.0
1984 68 43 0.00 0.0
1983 63 37 0.00 0.0
1982 78 59 0.00 0.0
1981 63 42 0.00 0.0
1980 71 29 0.00 0.0
1979 86 53 0.00 0.0
1978 61 39 0.02 0.0
1977 67 33 0.00 0.0
1976 77 48 0.00 0.0
1975 74 50 0.00 0.0
1974 48 42 0.03 0.0
1973 74 56 0.06 0.0
1972 63 39 0.00 0.0
1971 70 32 0.00 0.0
1970 76 56 0.07 0.0
1969 57 40 0.00 0.0
1968 51 37 0.00 0.0
1967 66 35 0.04 0.0
1966 48 32 0.00 0.0
1965 77 49 0.00 0.0
1964 64 48 0.00 0.0
1963 86 64 0.00 0.0
1962 55 44 0.00 0.0
1961 57 38 0.00 0.0
1960 51 36 0.00 0.0
1959 63 50 0.34 0.0
1958 75 38 0.00 0.0
1957 72 50 0.61 0.0
1956 80 54 0.00 0.0
1955 57 45 0.60 0.0
1954 55 33 0.00 0.0
1953 80 52 0.00 0.0
1952 56 47 0.00 0.0
1951 73 50 0.00 0.0
1950 60 48 0.67 0.0
1949 70 52 0.00 0.0
1948 54 43 n/a 0.0
1947 60 28 0.00 0.0
1946 66 39 n/a 0.0
1945 47 27 n/a n/a
1944 63 38 0.03 0.0
1943 59 40 n/a 0.0
1942 77 52 n/a 0.0
1941 61 44 0.00 0.0
1940 69 43 0.00 0.0
1939 83 42 0.28 0.0
1938 61 36 0.08 0.0
1937 64 42 n/a 0.0
1936 80 60 n/a 0.0
1935 67 44 0.06 0.0
1934 95 73 0.03 0.0
1933 52 39 0.00 0.0
1932 57 48 0.00 0.0
1931 49 40 n/a 0.0
1930 84 61 0.02 0.0
1929 65 31 0.00 0.0
1928 91 55 0.00 0.0
1927 77 62 1.05 0.0
1926 85 56 0.00 0.0
1925 60 35 0.00 0.0
1924 48 39 0.10 0.0
1923 58 30 0.01 0.0
1922 84 62 n/a 0.0
1921 74 55 n/a 0.0
1920 79 41 0.00 0.0
1919 65 38 0.00 0.0
1918 74 55 1.40 0.0
1917 65 41 n/a 0.0
1916 73 40 0.00 0.0
1915 48 32 0.00 0.0
1914 62 37 0.00 0.0
1913 64 34 0.00 0.0
1912 70 40 0.00 0.0
1911 82 57 0.00 0.0
1910 75 51 n/a 0.0
1909 64 38 0.00 0.0
1908 58 34 0.00 0.0
1907 64 41 0.00 0.0
1906 49 32 0.06 0.0
1905 61 41 0.48 0.0
1904 56 44 0.00 0.0
1903 69 51 n/a 0.0
1902 62 41 n/a 0.0
1901 75 45 n/a 0.0
1900 67 38 0.00 0.0
1899 76 47 n/a 0.0
1898 71 55 0.00 0.0
1897 73 54 n/a 0.0
1896 89 60 n/a 0.0
1895 91 61 n/a 0.0
What's the all-time high for Waterloo on 5/9?
For the date of May 9, the highest temperature ever reached in Waterloo history is 95 °F which happened in 1934.
Highest Temperatures in Waterloo on May 9
Rank Temperature Year
1 95 °F 1934
2 91 °F 1928
2 91 °F 1895
4 90 °F 2022
5 89 °F 1896
6 87 °F 1987
7 86 °F 1963
7 86 °F 1979
9 85 °F 1985
9 85 °F 1926
9 85 °F 2001
9 85 °F 1992
What's the all-time low for Waterloo on 5/9?
For the date of May 9, the lowest temperature ever reached in Waterloo history is 25 °F which happened in 2020.
Lowest Temperatures in Waterloo on May 9
Rank Temperature Year
1 25 °F 2020
2 27 °F 1945
3 28 °F 1947
4 29 °F 1980
5 30 °F 2010
5 30 °F 1923
7 31 °F 1929
8 32 °F 1971
8 32 °F 1906
8 32 °F 1966
8 32 °F 1915
Lowest High Temperatures in Waterloo on May 9
Rank Temperature Year
1 47 °F 1945
2 48 °F 1924
2 48 °F 1974
2 48 °F 1966
2 48 °F 1915
6 49 °F 1931
6 49 °F 2019
6 49 °F 1906
9 51 °F 1968
9 51 °F 1960
What's the most it has ever rained in Waterloo on 5/9?
For the date of May 9, the most precipitation ever recorded in Waterloo history is 1.42 inches which happened in 1996.
All-Time Most Precipitation in Waterloo on May 9
Rank Precipitation Year
1 1.42 inches 1996
2 1.40 inches 1918
3 1.10 inches 1990
4 1.05 inches 1927
5 0.78 inches 2024
6 0.67 inches 1950
7 0.61 inches 1995
7 0.61 inches 1957
9 0.60 inches 1955
10 0.54 inches 1993
Weather Station Details
Years Station Coordinates
1950–2024 Waterloo Municipal Airport location
1895–1950 Waterloo location