Marshalltown, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -31° (1912) 65° (2002) 0.86" 5.3"
February 13° 33° -35° (1996) 72° (1921) 1.06" 5.2"
March 25° 46° -32° (1962) 90° (1986) 2.28" 4.5"
April 36° 60° 4° (1982) 94° (1980) 3.63" 0.7"
May 48° 71° 20° (1907) 104° (1934) 4.73" 0"
June 59° 80° 30° (1943) 105° (1934) 5.57" 0"
July 63° 84° 42° (1947) 112° (1936) 4.99" 0"
August 60° 82° 35° (1915) 109° (1934) 4.53" 0"
September 50° 75° 20° (1942) 103° (1939) 3.7" 0"
October 38° 62° -3° (1925) 94° (1953) 2.65" 0.2"
November 26° 46° -11° (1977) 81° (1938) 2.16" 1.2"
December 14° 32° -28° (1985) 71° (1998) 1.24" 8.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 10° 28° -19° (1946) 62° (1897) 0.03" 0.2"
Jan 2 10° 28° -18° (1945) 54° (1897) 0.04" 0.2"
Jan 3 10° 28° -22° (1911) 54° (1998) 0.03" 0.2"
Jan 4 10° 28° -27° (1947) 51° (2007) 0.03" 0.2"
Jan 5 10° 28° -26° (1999) 60° (1956) 0.03" 0.2"
Jan 6 10° 28° -20° (1910) 51° (1933) 0.03" 0.1"
Jan 7 28° -30° (1912) 51° (1990) 0.03" 0.2"
Jan 8 28° -30° (1912) 59° (2003) 0.03" 0.2"
Jan 9 28° -22° (1910) 61° (2002) 0.03" 0.2"
Jan 10 28° -29° (1942) 59° (1928) 0.03" 0.2"
Jan 11 28° -24° (1982) 52° (1992) 0.02" 0.1"
Jan 12 28° -31° (1912) 55° (1961) 0.03" 0.2"
Jan 13 28° -31° (1912) 58° (1914) 0.03" 0.2"
Jan 14 28° -27° (1982) 58° (1914) 0.02" 0.2"
Jan 15 28° -27° (1982) 53° (1933) 0.03" 0.1"
Jan 16 28° -34° (2009) 55° (1990) 0.03" 0.2"
Jan 17 28° -30° (2009) 54° (1996) 0.03" 0.1"
Jan 18 28° -26° (1994) 56° (1944) 0.02" 0.2"
Jan 19 28° -25° (1994) 52° (1947) 0.03" 0.1"
Jan 20 28° -30° (1936) 53° (1921) 0.02" 0.2"
Jan 21 28° -26° (1970) 54° (1921) 0.03" 0.1"
Jan 22 28° -26° (1936) 55° (1964) 0.02" 0.2"
Jan 23 28° -25° (1936) 58° (2002) 0.03" 0.2"
Jan 24 28° -22° (1904) 58° (1919) 0.03" 0.1"
Jan 25 28° -29° (1936) 60° (1944) 0.02" 0.2"
Jan 26 28° -22° (1904) 60° (2002) 0.03" 0.2"
Jan 27 29° -20° (1902) 65° (2002) 0.02" 0.1"
Jan 28 29° -23° (1902) 57° (2006) 0.03" 0.2"
Jan 29 29° -23° (1966) 58° (1919) 0.02" 0.2"
Jan 30 29° -21° (1951) 54° (1931) 0.03" 0.1"
Jan 31 29° -28° (1996) 62° (1989) 0.03" 0.2"
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