Waterloo July 30 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of July 30.
July 30 All-Time Records
1895–2024
Highest temperature 104 °F 1916
Lowest temperature 45 °F 1899
Lowest daily high 63 °F 1992
Highest daily low 78 °F 1917
Most precipitation 5.25 inches 1942
Most snow none -
July 30 Average Weather
1991–2020 1
Average high 83.3 °F
Average low 61.9 °F
Chance precipitation 28.1%
Chance snow 0%
Waterloo July 30 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 86 59 0.00 0.0
2022 84 54 0.00 0.0
2021 75 62 0.04 0.0
2020 85 67 0.00 0.0
2019 79 57 0.00 0.0
2018 81 54 0.00 0.0
2017 82 56 0.00 0.0
2016 82 63 0.00 0.0
2015 86 60 0.00 0.0
2014 81 54 0.00 0.0
2013 70 62 0.00 0.0
2012 94 64 0.00 0.0
2011 88 64 0.00 0.0
2010 79 64 0.79 0.0
2009 75 59 0.19 0.0
2008 88 69 0.00 0.0
2007 85 63 0.00 0.0
2006 95 76 0.00 0.0
2005 86 64 0.00 0.0
2004 81 57 0.00 0.0
2003 85 65 0.00 0.0
2002 91 66 0.00 0.0
2001 90 66 0.00 0.0
2000 82 62 0.00 0.0
1999 93 75 0.00 0.0
1998 82 56 0.00 0.0
1997 77 52 0.00 0.0
1996 77 55 0.00 0.0
1995 94 73 0.00 0.0
1994 81 56 0.00 0.0
1993 85 58 0.00 0.0
1992 63 57 0.58 0.0
1991 83 50 0.00 0.0
1990 79 60 0.00 0.0
1989 80 66 0.00 0.0
1988 99 67 0.00 0.0
1987 96 73 0.00 0.0
1986 88 69 0.00 0.0
1985 68 62 0.29 0.0
1984 79 51 0.00 0.0
1983 88 65 0.00 0.0
1982 79 58 0.00 0.0
1981 81 64 0.00 0.0
1980 95 67 0.00 0.0
1979 85 68 2.34 0.0
1978 73 60 0.00 0.0
1977 92 65 0.00 0.0
1976 89 65 0.11 0.0
1975 94 69 0.00 0.0
1974 79 54 0.00 0.0
1973 81 61 0.00 0.0
1972 82 58 0.00 0.0
1971 67 46 0.00 0.0
1970 86 66 0.57 0.0
1969 87 64 0.02 0.0
1968 82 64 0.03 0.0
1967 83 57 1.32 0.0
1966 79 55 0.00 0.0
1965 83 62 0.38 0.0
1964 72 60 0.07 0.0
1963 88 65 0.00 0.0
1962 70 54 0.00 0.0
1961 90 67 0.24 0.0
1960 78 55 0.00 0.0
1959 83 66 0.00 0.0
1958 80 61 0.13 0.0
1957 92 68 0.00 0.0
1956 78 56 0.01 0.0
1955 103 76 0.00 0.0
1954 97 72 0.00 0.0
1953 86 65 0.16 0.0
1952 80 59 0.00 0.0
1951 86 63 0.00 0.0
1950 88 63 0.00 0.0
1949 78 53 0.00 0.0
1948 81 58 0.03 0.0
1947 94 72 0.00 0.0
1946 82 61 n/a 0.0
1945 82 66 n/a 0.0
1944 81 55 0.00 0.0
1943 89 64 0.00 0.0
1942 86 64 5.25 0.0
1941 86 68 0.00 0.0
1940 88 69 1.95 0.0
1939 86 54 0.00 0.0
1938 85 67 n/a 0.0
1937 93 62 n/a 0.0
1936 85 48 0.00 0.0
1935 95 74 0.00 0.0
1934 84 52 0.00 0.0
1933 98 74 0.00 0.0
1932 88 52 0.00 0.0
1931 101 70 0.00 0.0
1930 83 57 0.00 0.0
1929 92 62 0.00 0.0
1928 80 54 0.00 0.0
1927 78 52 0.00 0.0
1926 79 69 0.15 0.0
1925 78 52 0.00 0.0
1924 91 62 0.35 0.0
1923 93 57 0.00 0.0
1922 87 64 0.77 0.0
1921 92 65 0.00 0.0
1920 90 64 0.00 0.0
1919 99 71 0.00 0.0
1918 75 48 0.00 0.0
1917 101 78 0.00 0.0
1916 104 72 0.00 0.0
1915 84 67 0.15 0.0
1914 86 55 n/a 0.0
1913 98 71 n/a 0.0
1912 84 61 0.00 0.0
1911 87 64 0.00 0.0
1910 95 57 0.00 0.0
1909 98 62 n/a 0.0
1908 95 74 0.00 0.0
1907 85 58 n/a 0.0
1906 86 56 n/a 0.0
1905 81 57 0.00 0.0
1904 80 64 0.26 0.0
1903 85 51 0.00 0.0
1902 94 68 0.00 0.0
1901 85 62 0.00 0.0
1900 86 55 0.00 0.0
1899 79 45 0.00 0.0
1898 84 50 n/a 0.0
1897 94 62 n/a 0.0
1896 90 68 n/a 0.0
1895 75 55 0.00 0.0
What's the all-time high for Waterloo on 7/30?
For the date of Jul 30, the highest temperature ever reached in Waterloo history is 104 °F which happened in 1916.
Highest Temperatures in Waterloo on July 30
Rank Temperature Year
1 104 °F 1916
2 103 °F 1955
3 101 °F 1917
3 101 °F 1931
5 99 °F 1988
5 99 °F 1919
7 98 °F 1909
7 98 °F 1913
7 98 °F 1933
10 97 °F 1954
What's the all-time low for Waterloo on 7/30?
For the date of Jul 30, the lowest temperature ever reached in Waterloo history is 45 °F which happened in 1899.
Lowest Temperatures in Waterloo on July 30
Rank Temperature Year
1 45 °F 1899
2 46 °F 1971
3 48 °F 1918
3 48 °F 1936
5 50 °F 1991
5 50 °F 1898
7 51 °F 1903
7 51 °F 1984
9 52 °F 1925
9 52 °F 1934
9 52 °F 1932
9 52 °F 1927
9 52 °F 1997
Lowest High Temperatures in Waterloo on July 30
Rank Temperature Year
1 63 °F 1992
2 67 °F 1971
3 68 °F 1985
4 70 °F 2013
4 70 °F 1962
6 72 °F 1964
7 73 °F 1978
8 75 °F 1895
8 75 °F 1918
8 75 °F 2021
8 75 °F 2009
What's the most it has ever rained in Waterloo on 7/30?
For the date of Jul 30, the most precipitation ever recorded in Waterloo history is 5.25 inches which happened in 1942.
All-Time Most Precipitation in Waterloo on July 30
Rank Precipitation Year
1 5.25 inches 1942
2 2.34 inches 1979
3 1.95 inches 1940
4 1.32 inches 1967
5 0.79 inches 2010
6 0.77 inches 1922
7 0.58 inches 1992
8 0.57 inches 1970
9 0.38 inches 1965
10 0.35 inches 1924
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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