Waterloo, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -33° (1994) 65° (2002) 0.84" 8.2"
February 13° 32° -31° (1996) 71° (1921) 1.05" 7.3"
March 25° 45° -34° (1962) 87° (1986) 2.13" 4.8"
April 36° 60° -4° (1982) 100° (1980) 3.23" 2.2"
May 48° 72° 22° (2005) 108° (1934) 4.15" 0"
June 58° 82° 33° (1897) 107° (1934) 4.82" 0"
July 62° 85° 42° (1984) 112° (1936) 4.2" 0"
August 60° 83° 33° (1950) 110° (1936) 4.08" 0"
September 50° 75° 19° (1899) 102° (1939) 2.95" 0"
October 38° 63° 0° (1925) 95° (1997) 2.49" 0.1"
November 25° 45° -17° (1977) 83° (1933) 2.1" 4.8"
December 13° 31° -29° (2000) 67° (2001) 1.11" 7.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 62° 85° 46° (1920) 101° (1988) 0.13" NA
Aug 2 62° 85° 44° (1927) 101° (1988) 0.13" NA
Aug 3 62° 85° 44° (1927) 105° (1930) 0.13" NA
Aug 4 62° 85° 45° (1978) 101° (1916) 0.13" NA
Aug 5 62° 84° 44° (1994) 104° (1918) 0.14" NA
Aug 6 62° 84° 47° (1990) 99° (1918) 0.14" NA
Aug 7 61° 84° 46° (1989) 99° (1988) 0.14" NA
Aug 8 61° 84° 43° (1904) 100° (1934) 0.14" NA
Aug 9 61° 84° 41° (1927) 102° (1936) 0.14" NA
Aug 10 61° 84° 44° (1917) 97° (1918) 0.14" NA
Aug 11 61° 84° 43° (1982) 99° (1905) 0.14" NA
Aug 12 61° 84° 45° (1967) 102° (1936) 0.14" NA
Aug 13 60° 83° 41° (1964) 95° (1995) 0.14" NA
Aug 14 60° 83° 39° (2004) 101° (1988) 0.14" NA
Aug 15 60° 83° 42° (2004) 104° (1988) 0.13" NA
Aug 16 60° 83° 43° (1992) 105° (1937) 0.13" NA
Aug 17 60° 83° 46° (1962) 105° (1988) 0.13" NA
Aug 18 59° 83° 43° (1977) 110° (1936) 0.13" NA
Aug 19 59° 83° 42° (1963) 100° (1983) 0.13" NA
Aug 20 59° 82° 33° (1950) 101° (1916) 0.13" NA
Aug 21 59° 82° 39° (2004) 100° (1916) 0.13" NA
Aug 22 58° 82° 40° (1923) 98° (1936) 0.13" NA
Aug 23 58° 82° 43° (1920) 99° (1948) 0.13" NA
Aug 24 58° 82° 41° (1942) 100° (1936) 0.13" NA
Aug 25 58° 81° 39° (1915) 98° (2003) 0.13" NA
Aug 26 57° 81° 40° (1934) 97° (2003) 0.13" NA
Aug 27 57° 81° 41° (1971) 96° (1955) 0.12" NA
Aug 28 57° 81° 39° (1935) 98° (1926) 0.12" NA
Aug 29 56° 80° 37° (1946) 98° (1984) 0.12" NA
Aug 30 56° 80° 34° (1915) 96° (1937) 0.12" NA
Aug 31 56° 80° 36° (1915) 99° (2000) 0.12" NA
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