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
Jun 1 54° 78° 33° (1897) 101° (1934) 0.15" NA
Jun 2 54° 78° 40° (1969) 106° (1934) 0.16" NA
Jun 3 55° 79° 38° (1946) 93° (1934) 0.16" NA
Jun 4 55° 79° 36° (1945) 96° (1934) 0.16" NA
Jun 5 55° 79° 39° (1926) 99° (1934) 0.16" NA
Jun 6 56° 80° 39° (1983) 98° (1933) 0.16" NA
Jun 7 56° 80° 37° (1935) 98° (1963) 0.16" NA
Jun 8 56° 80° 38° (1901) 102° (1985) 0.16" NA
Jun 9 57° 80° 39° (1977) 96° (1911) 0.16" NA
Jun 10 57° 81° 39° (1928) 101° (1933) 0.16" NA
Jun 11 57° 81° 43° (1903) 96° (2001) 0.16" NA
Jun 12 57° 81° 37° (1903) 94° (1920) 0.16" NA
Jun 13 58° 81° 40° (1969) 100° (1987) 0.17" NA
Jun 14 58° 82° 40° (1933) 99° (1987) 0.17" NA
Jun 15 58° 82° 39° (1917) 95° (1933) 0.17" NA
Jun 16 59° 82° 43° (1989) 97° (1918) 0.17" NA
Jun 17 59° 82° 40° (1915) 97° (1933) 0.17" NA
Jun 18 59° 83° 44° (1965) 98° (1953) 0.16" NA
Jun 19 59° 83° 43° (1970) 98° (1953) 0.16" NA
Jun 20 59° 83° 44° (1961) 103° (1933) 0.16" NA
Jun 21 60° 83° 41° (1992) 103° (1988) 0.16" NA
Jun 22 60° 83° 40° (1902) 98° (1988) 0.16" NA
Jun 23 60° 83° 42° (1902) 103° (1931) 0.16" NA
Jun 24 60° 84° 43° (1972) 102° (1937) 0.16" NA
Jun 25 60° 84° 42° (2004) 104° (1931) 0.16" NA
Jun 26 61° 84° 40° (1926) 105° (1931) 0.16" NA
Jun 27 61° 84° 43° (1926) 107° (1934) 0.16" NA
Jun 28 61° 84° 42° (1925) 107° (1934) 0.16" NA
Jun 29 61° 84° 44° (1923) 105° (1931) 0.15" NA
Jun 30 61° 84° 45° (1943) 103° (1931) 0.15" NA
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