Waterloo May 31 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of May 31.
May 31 All-Time Records
1895–2024
Highest temperature 108 °F 1934
Lowest temperature 32 °F 1897
Lowest daily high 54 °F 2012
Highest daily low 69 °F 1937
Most precipitation 2.48 inches 2000
Most snow none -
May 31 Average Weather
1991–2020 1
Average high 76.9 °F
Average low 54.6 °F
Chance precipitation 41.1%
Chance snow 0%
Waterloo May 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 93 60 0.18 0.0
2022 81 60 0.06 0.0
2021 76 47 0.00 0.0
2020 78 47 0.00 0.0
2019 89 54 0.00 0.0
2018 89 61 0.00 0.0
2017 75 42 0.00 0.0
2016 81 61 0.65 0.0
2015 68 44 0.00 0.0
2014 88 67 0.43 0.0
2013 77 61 0.00 0.0
2012 54 48 0.56 0.0
2011 83 62 0.00 0.0
2010 82 59 0.02 0.0
2009 79 43 0.00 0.0
2008 80 58 0.00 0.0
2007 77 58 0.15 0.0
2006 83 58 0.00 0.0
2005 76 49 0.00 0.0
2004 75 57 0.02 0.0
2003 74 51 0.00 0.0
2002 84 59 0.00 0.0
2001 55 47 0.55 0.0
2000 72 62 2.48 0.0
1999 72 58 0.01 0.0
1998 75 52 0.00 0.0
1997 81 48 0.00 0.0
1996 72 49 0.01 0.0
1995 79 54 0.07 0.0
1994 82 58 0.00 0.0
1993 71 45 0.00 0.0
1992 82 46 0.00 0.0
1991 71 64 1.80 0.0
1990 76 46 0.00 0.0
1989 69 58 0.03 0.0
1988 92 61 0.00 0.0
1987 83 60 0.00 0.0
1986 87 59 0.00 0.0
1985 73 53 0.00 0.0
1984 79 50 0.00 0.0
1983 67 48 0.00 0.0
1982 67 51 0.00 0.0
1981 79 47 0.00 0.0
1980 75 56 0.00 0.0
1979 63 49 0.03 0.0
1978 83 60 0.34 0.0
1977 71 59 0.00 0.0
1976 74 54 0.00 0.0
1975 74 43 0.00 0.0
1974 71 51 0.00 0.0
1973 80 54 0.00 0.0
1972 68 35 0.00 0.0
1971 77 54 1.54 0.0
1970 76 63 0.03 0.0
1969 79 58 1.81 0.0
1968 68 52 0.07 0.0
1967 71 51 0.00 0.0
1966 72 39 0.00 0.0
1965 83 42 0.34 0.0
1964 68 42 0.00 0.0
1963 83 58 0.00 0.0
1962 72 52 0.00 0.0
1961 86 57 0.42 0.0
1960 81 51 0.00 0.0
1959 72 57 0.57 0.0
1958 71 59 1.23 0.0
1957 80 62 0.20 0.0
1956 61 51 0.00 0.0
1955 74 46 0.00 0.0
1954 76 65 0.00 0.0
1953 90 59 0.00 0.0
1952 71 47 0.09 0.0
1951 76 57 0.45 0.0
1950 73 50 0.00 0.0
1949 83 62 0.00 0.0
1948 78 47 0.00 0.0
1947 75 46 n/a 0.0
1946 78 54 n/a 0.0
1945 70 51 0.38 0.0
1944 85 65 0.00 0.0
1943 80 64 0.55 0.0
1942 83 66 0.02 0.0
1941 81 65 1.05 0.0
1940 80 49 0.00 0.0
1939 91 68 0.00 0.0
1938 83 59 n/a 0.0
1937 84 69 0.00 0.0
1936 95 53 n/a 0.0
1935 70 51 0.00 0.0
1934 108 68 0.00 0.0
1933 81 52 0.00 0.0
1932 74 57 0.40 0.0
1931 78 39 0.00 0.0
1930 76 39 0.00 0.0
1929 90 59 0.00 0.0
1928 81 50 0.00 0.0
1927 74 49 0.00 0.0
1926 84 65 n/a 0.0
1925 93 64 0.10 0.0
1924 74 43 0.00 0.0
1923 86 53 0.00 0.0
1922 67 50 n/a 0.0
1921 77 64 n/a 0.0
1920 87 55 n/a 0.0
1919 87 68 n/a 0.0
1918 85 62 n/a 0.0
1917 65 58 0.22 0.0
1916 81 56 n/a 0.0
1915 70 43 0.00 0.0
1914 79 54 n/a 0.0
1913 83 57 0.00 0.0
1912 76 57 n/a 0.0
1911 80 57 0.17 0.0
1910 70 44 n/a 0.0
1909 79 55 n/a 0.0
1908 66 44 0.00 0.0
1907 64 52 0.00 0.0
1906 82 53 0.00 0.0
1905 73 47 n/a 0.0
1904 73 48 0.00 0.0
1903 55 44 0.32 0.0
1902 76 61 n/a 0.0
1901 79 47 n/a 0.0
1900 88 60 0.00 0.0
1899 80 58 0.13 0.0
1898 74 53 n/a 0.0
1897 64 32 n/a 0.0
1896 75 49 0.00 0.0
1895 85 66 0.00 0.0
What's the all-time high for Waterloo on 5/31?
For the date of May 31, the highest temperature ever reached in Waterloo history is 108 °F which happened in 1934.
Highest Temperatures in Waterloo on May 31
Rank Temperature Year
1 108 °F 1934
2 95 °F 1936
3 93 °F 1925
3 93 °F 2023
5 92 °F 1988
6 91 °F 1939
7 90 °F 1929
7 90 °F 1953
9 89 °F 2018
9 89 °F 2019
What's the all-time low for Waterloo on 5/31?
For the date of May 31, the lowest temperature ever reached in Waterloo history is 32 °F which happened in 1897.
Lowest Temperatures in Waterloo on May 31
Rank Temperature Year
1 32 °F 1897
2 35 °F 1972
3 39 °F 1966
3 39 °F 1930
3 39 °F 1931
6 42 °F 1965
6 42 °F 1964
6 42 °F 2017
9 43 °F 1915
9 43 °F 1975
9 43 °F 2009
9 43 °F 1924
Lowest High Temperatures in Waterloo on May 31
Rank Temperature Year
1 54 °F 2012
2 55 °F 1903
2 55 °F 2001
4 61 °F 1956
5 63 °F 1979
6 64 °F 1897
6 64 °F 1907
8 65 °F 1917
9 66 °F 1908
10 67 °F 1982
10 67 °F 1922
10 67 °F 1983
What's the most it has ever rained in Waterloo on 5/31?
For the date of May 31, the most precipitation ever recorded in Waterloo history is 2.48 inches which happened in 2000.
All-Time Most Precipitation in Waterloo on May 31
Rank Precipitation Year
1 2.48 inches 2000
2 1.81 inches 1969
3 1.80 inches 1991
4 1.54 inches 1971
5 1.23 inches 1958
6 1.05 inches 1941
7 0.65 inches 2016
8 0.57 inches 1959
9 0.56 inches 2012
10 0.55 inches 1943
10 0.55 inches 2001
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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