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
Jan 1 26° -18° (1974) 61° (1897) 0.03" NA
Jan 2 26° -17° (1979) 50° (1998) 0.03" NA
Jan 3 26° -21° (1904) 51° (2007) 0.02" NA
Jan 4 26° -28° (1919) 49° (2007) 0.02" NA
Jan 5 26° -26° (1942) 55° (1956) 0.02" NA
Jan 6 26° -26° (1970) 52° (1933) 0.02" NA
Jan 7 26° -27° (1912) 59° (2003) 0.02" NA
Jan 8 25° -25° (1942) 60° (2003) 0.02" NA
Jan 9 25° -27° (1977) 58° (1939) 0.02" NA
Jan 10 25° -27° (1982) 55° (1928) 0.02" NA
Jan 11 25° -26° (1977) 51° (2002) 0.02" NA
Jan 12 25° -32° (1912) 50° (1961) 0.03" NA
Jan 13 25° -32° (1912) 56° (1996) 0.03" NA
Jan 14 25° -26° (1963) 54° (1914) 0.03" NA
Jan 15 25° -28° (1963) 56° (1914) 0.03" NA
Jan 16 25° -26° (1977) 51° (1990) 0.03" NA
Jan 17 25° -28° (1977) 54° (1996) 0.03" NA
Jan 18 25° -28° (1930) 53° (1944) 0.03" NA
Jan 19 26° -28° (1970) 50° (1908) 0.03" NA
Jan 20 26° -33° (1994) 50° (1921) 0.03" NA
Jan 21 26° -31° (1970) 54° (1921) 0.03" NA
Jan 22 26° -33° (1930) 60° (2002) 0.03" NA
Jan 23 26° -27° (1936) 53° (1909) 0.03" NA
Jan 24 26° -23° (1904) 58° (1981) 0.03" NA
Jan 25 26° -29° (1936) 61° (2002) 0.03" NA
Jan 26 26° -25° (1930) 65° (2002) 0.03" NA
Jan 27 27° -23° (1904) 60° (2002) 0.03" NA
Jan 28 27° -29° (1915) 53° (1914) 0.03" NA
Jan 29 27° -26° (1966) 54° (1919) 0.03" NA
Jan 30 27° -24° (1951) 55° (1924) 0.03" NA
Jan 31 27° -27° (1918) 57° (1989) 0.03" NA
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