Waterloo July 31 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of July 31.
July 31 All-Time Records
1895–2024
Highest temperature 105 °F 1988
Lowest temperature 43 °F 1971
Lowest daily high 68 °F 1985
Highest daily low 80 °F 1917
Most precipitation 2.45 inches 1956
Most snow none -
July 31 Average Weather
1991–2020 1
Average high 83.1 °F
Average low 61.7 °F
Chance precipitation 27.9%
Chance snow 0%
Waterloo July 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 87 61 0.00 0.0
2022 86 63 0.00 0.0
2021 85 65 0.00 0.0
2020 85 61 0.00 0.0
2019 81 53 0.00 0.0
2018 84 54 0.00 0.0
2017 83 58 0.00 0.0
2016 83 62 0.00 0.0
2015 83 62 0.00 0.0
2014 82 54 0.00 0.0
2013 81 59 0.00 0.0
2012 90 65 0.02 0.0
2011 90 66 0.00 0.0
2010 85 65 0.00 0.0
2009 79 53 0.00 0.0
2008 87 71 0.00 0.0
2007 84 59 0.00 0.0
2006 96 76 0.00 0.0
2005 79 65 0.00 0.0
2004 84 53 0.00 0.0
2003 89 64 0.04 0.0
2002 89 72 0.00 0.0
2001 94 75 0.00 0.0
2000 87 61 0.00 0.0
1999 82 63 0.64 0.0
1998 83 50 0.00 0.0
1997 80 49 0.00 0.0
1996 76 54 0.00 0.0
1995 92 60 0.42 0.0
1994 86 64 0.02 0.0
1993 77 64 1.42 0.0
1992 77 50 0.00 0.0
1991 90 61 0.00 0.0
1990 77 53 0.00 0.0
1989 85 62 0.00 0.0
1988 105 67 0.00 0.0
1987 97 73 0.00 0.0
1986 84 59 0.00 0.0
1985 68 61 0.00 0.0
1984 83 57 0.00 0.0
1983 84 63 0.00 0.0
1982 84 59 0.00 0.0
1981 85 66 0.00 0.0
1980 89 65 0.00 0.0
1979 78 65 0.00 0.0
1978 82 59 0.00 0.0
1977 76 56 0.00 0.0
1976 77 59 0.00 0.0
1975 93 71 0.00 0.0
1974 82 52 0.00 0.0
1973 76 57 0.00 0.0
1972 73 65 0.02 0.0
1971 76 43 0.00 0.0
1970 91 65 0.00 0.0
1969 82 61 0.00 0.0
1968 72 54 0.33 0.0
1967 84 60 0.00 0.0
1966 82 59 0.00 0.0
1965 73 62 0.22 0.0
1964 85 58 1.89 0.0
1963 90 64 0.01 0.0
1962 78 46 0.00 0.0
1961 86 69 0.35 0.0
1960 81 48 0.00 0.0
1959 87 62 0.00 0.0
1958 82 61 0.00 0.0
1957 93 66 0.18 0.0
1956 78 64 2.45 0.0
1955 101 76 0.00 0.0
1954 73 62 0.00 0.0
1953 94 65 0.00 0.0
1952 83 51 0.00 0.0
1951 84 64 0.97 0.0
1950 91 66 1.12 0.0
1949 81 51 0.00 0.0
1948 83 52 0.00 0.0
1947 82 58 0.00 0.0
1946 84 62 0.00 0.0
1945 95 74 0.10 0.0
1944 83 59 0.00 0.0
1943 83 66 n/a 0.0
1942 84 66 0.02 0.0
1941 89 70 0.00 0.0
1940 84 71 n/a 0.0
1939 95 65 0.00 0.0
1938 83 64 0.17 0.0
1937 87 62 n/a 0.0
1936 90 50 0.00 0.0
1935 91 75 0.00 0.0
1934 86 59 0.00 0.0
1933 88 73 n/a 0.0
1932 76 58 n/a 0.0
1931 100 72 n/a 0.0
1930 88 54 0.00 0.0
1929 93 59 0.00 0.0
1928 80 65 0.00 0.0
1927 89 54 0.00 0.0
1926 74 67 0.05 0.0
1925 78 51 0.17 0.0
1924 80 61 0.00 0.0
1923 91 60 n/a 0.0
1922 86 60 0.50 0.0
1921 84 54 n/a 0.0
1920 85 60 0.00 0.0
1919 94 71 n/a 0.0
1918 75 48 0.00 0.0
1917 102 80 n/a 0.0
1916 103 73 n/a 0.0
1915 81 63 n/a 0.0
1914 78 59 n/a 0.0
1913 99 71 n/a 0.0
1912 84 56 0.00 0.0
1911 90 70 n/a 0.0
1910 87 56 0.00 0.0
1909 86 62 0.00 0.0
1908 90 56 0.00 0.0
1907 88 61 n/a 0.0
1906 82 52 n/a 0.0
1905 85 59 0.00 0.0
1904 78 60 0.00 0.0
1903 70 46 0.00 0.0
1902 88 65 0.00 0.0
1901 86 56 0.00 0.0
1900 92 62 0.00 0.0
1899 80 55 n/a 0.0
1898 79 53 n/a 0.0
1897 91 66 0.35 0.0
1896 79 65 n/a 0.0
1895 76 45 0.00 0.0
What's the all-time high for Waterloo on 7/31?
For the date of Jul 31, the highest temperature ever reached in Waterloo history is 105 °F which happened in 1988.
Highest Temperatures in Waterloo on July 31
Rank Temperature Year
1 105 °F 1988
2 103 °F 1916
3 102 °F 1917
4 101 °F 1955
5 100 °F 1931
6 99 °F 1913
7 97 °F 1987
8 96 °F 2006
9 95 °F 1945
9 95 °F 1939
What's the all-time low for Waterloo on 7/31?
For the date of Jul 31, the lowest temperature ever reached in Waterloo history is 43 °F which happened in 1971.
Lowest Temperatures in Waterloo on July 31
Rank Temperature Year
1 43 °F 1971
2 45 °F 1895
3 46 °F 1903
3 46 °F 1962
5 48 °F 1960
5 48 °F 1918
7 49 °F 1997
8 50 °F 1936
8 50 °F 1998
8 50 °F 1992
Lowest High Temperatures in Waterloo on July 31
Rank Temperature Year
1 68 °F 1985
2 70 °F 1903
3 72 °F 1968
4 73 °F 1965
4 73 °F 1972
4 73 °F 1954
7 74 °F 1926
8 75 °F 1918
9 76 °F 1971
9 76 °F 1977
9 76 °F 1932
9 76 °F 1996
9 76 °F 1895
9 76 °F 1973
What's the most it has ever rained in Waterloo on 7/31?
For the date of Jul 31, the most precipitation ever recorded in Waterloo history is 2.45 inches which happened in 1956.
All-Time Most Precipitation in Waterloo on July 31
Rank Precipitation Year
1 2.45 inches 1956
2 1.89 inches 1964
3 1.42 inches 1993
4 1.12 inches 1950
5 0.97 inches 1951
6 0.64 inches 1999
7 0.50 inches 1922
8 0.42 inches 1995
9 0.35 inches 1961
9 0.35 inches 1897
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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