Waterloo May 4 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of May 4.
May 4 All-Time Records
1895–2024
Highest temperature 91 °F 1918
Lowest temperature 22 °F 1907
Lowest daily high 41 °F 1907
Highest daily low 68 °F 1949
Most precipitation 2.00 inches 1913
Most snow 0.5 inches 1935
May 4 Average Weather
1991–2020 1
Average high 66.8 °F
Average low 43.8 °F
Chance precipitation 40.1%
Chance snow 0.7%
Waterloo May 4 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 82 38 0.00 0.0
2022 62 31 0.00 0.0
2021 64 38 0.00 0.0
2020 61 41 0.00 0.0
2019 70 38 0.00 0.0
2018 75 50 0.02 0.0
2017 70 32 0.00 0.0
2016 66 40 0.00 0.0
2015 70 58 0.32 0.0
2014 57 42 0.07 0.0
2013 66 36 0.17 0.0
2012 82 59 0.00 0.0
2011 63 27 0.00 0.0
2010 82 47 0.13 0.0
2009 72 44 0.00 0.0
2008 69 34 0.00 0.0
2007 61 52 0.16 0.0
2006 62 39 0.00 0.0
2005 66 25 0.00 0.0
2004 73 40 0.00 0.0
2003 55 47 1.63 0.0
2002 72 45 0.00 0.0
2001 58 53 0.08 0.0
2000 87 55 0.00 0.0
1999 71 64 0.25 0.0
1998 77 42 0.00 0.0
1997 69 35 0.00 0.0
1996 64 40 0.00 0.0
1995 60 43 0.04 0.0
1994 65 44 0.02 0.0
1993 65 57 0.06 0.0
1992 69 42 0.00 0.0
1991 59 47 0.00 0.0
1990 58 39 0.05 0.0
1989 61 49 0.26 0.0
1988 75 38 0.00 0.0
1987 66 41 0.00 0.0
1986 80 58 0.00 0.0
1985 83 56 0.00 0.0
1984 61 35 0.00 0.0
1983 61 42 0.00 0.0
1982 86 59 0.72 0.0
1981 68 58 0.06 0.0
1980 84 47 0.00 0.0
1979 58 33 0.00 0.0
1978 57 45 0.00 0.0
1977 67 54 0.48 0.0
1976 69 30 0.00 0.0
1975 70 38 0.04 0.0
1974 64 37 0.00 0.0
1973 65 34 0.00 0.0
1972 59 40 0.00 0.0
1971 70 39 0.17 0.0
1970 67 45 0.03 0.0
1969 80 53 0.00 0.0
1968 55 37 0.01 0.0
1967 52 35 0.00 0.0
1966 78 34 0.00 0.0
1965 69 52 0.02 0.0
1964 82 61 0.03 0.0
1963 74 56 0.17 0.0
1962 85 48 0.00 0.0
1961 65 36 0.00 0.0
1960 77 56 0.00 0.0
1959 85 64 0.00 0.0
1958 60 40 0.00 0.0
1957 61 32 0.00 0.0
1956 56 34 0.00 0.0
1955 76 55 0.27 0.0
1954 50 31 0.00 0.0
1953 66 38 0.00 0.0
1952 89 57 0.00 0.0
1951 64 48 0.00 0.0
1950 72 59 0.00 0.0
1949 87 68 0.00 0.0
1948 72 45 n/a 0.0
1947 66 50 0.00 0.0
1946 58 39 0.35 0.0
1945 64 36 0.00 0.0
1944 51 33 0.23 n/a
1943 67 41 0.00 0.0
1942 57 38 0.00 0.0
1941 85 57 0.00 0.0
1940 63 38 n/a 0.0
1939 77 49 n/a 0.0
1938 77 61 0.00 0.0
1937 67 50 0.12 0.0
1936 67 47 n/a 0.0
1935 53 29 0.05 0.5
1934 87 60 0.00 0.0
1933 61 37 0.00 0.0
1932 73 54 n/a 0.0
1931 75 43 0.00 0.0
1930 78 55 n/a 0.0
1929 54 28 0.00 0.0
1928 70 49 n/a 0.0
1927 59 41 0.00 0.0
1926 80 45 0.00 0.0
1925 59 40 n/a 0.0
1924 70 34 0.00 0.0
1923 79 51 0.00 0.0
1922 75 50 0.00 0.0
1921 66 34 0.00 0.0
1920 56 41 n/a 0.0
1919 65 44 0.60 0.0
1918 91 54 0.00 0.0
1917 51 34 n/a 0.0
1916 62 45 0.00 0.0
1915 69 44 0.00 0.0
1914 71 50 0.90 0.0
1913 74 53 2.00 0.0
1912 83 60 0.00 0.0
1911 60 33 0.00 0.0
1910 57 31 0.00 0.0
1909 55 31 0.00 0.0
1908 59 35 0.00 0.0
1907 41 22 n/a 0.0
1906 77 47 n/a 0.0
1905 80 55 n/a 0.0
1904 78 49 0.00 0.0
1903 61 45 0.02 0.0
1902 66 54 1.18 0.0
1901 81 56 n/a 0.0
1900 62 40 0.21 0.0
1899 72 38 0.00 0.0
1898 57 41 n/a 0.0
1897 69 38 0.00 0.0
1896 77 49 0.00 0.0
1895 83 59 0.98 0.0
What's the all-time high for Waterloo on 5/4?
For the date of May 4, the highest temperature ever reached in Waterloo history is 91 °F which happened in 1918.
Highest Temperatures in Waterloo on May 4
Rank Temperature Year
1 91 °F 1918
2 89 °F 1952
3 87 °F 1934
3 87 °F 1949
3 87 °F 2000
6 86 °F 1982
7 85 °F 1941
7 85 °F 1962
7 85 °F 1959
10 84 °F 1980
What's the all-time low for Waterloo on 5/4?
For the date of May 4, the lowest temperature ever reached in Waterloo history is 22 °F which happened in 1907.
Lowest Temperatures in Waterloo on May 4
Rank Temperature Year
1 22 °F 1907
2 25 °F 2005
3 27 °F 2011
4 28 °F 1929
5 29 °F 1935
6 30 °F 1976
7 31 °F 1910
7 31 °F 2022
7 31 °F 1954
7 31 °F 1909
Lowest High Temperatures in Waterloo on May 4
Rank Temperature Year
1 41 °F 1907
2 50 °F 1954
3 51 °F 1917
3 51 °F 1944
5 52 °F 1967
6 53 °F 1935
7 54 °F 1929
8 55 °F 1968
8 55 °F 2003
8 55 °F 1909
What's the most it has ever rained in Waterloo on 5/4?
For the date of May 4, the most precipitation ever recorded in Waterloo history is 2.00 inches which happened in 1913.
All-Time Most Precipitation in Waterloo on May 4
Rank Precipitation Year
1 2.00 inches 1913
2 1.63 inches 2003
3 1.18 inches 1902
4 0.98 inches 1895
5 0.90 inches 1914
6 0.72 inches 1982
7 0.60 inches 1919
8 0.48 inches 1977
9 0.35 inches 1946
10 0.32 inches 2015
All-Time Most Snow in Waterloo on May 4
Rank Precipitation Year
1 0.5 inches 1935
Weather Station Details
Years Station Coordinates
1950–2024 Waterloo Municipal Airport location
1895–1950 Waterloo location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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