Marshalltown, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -31° (1912) 65° (2002) 0.95" 7.8"
February 13° 33° -35° (1996) 72° (1921) 1.05" 6.6"
March 25° 45° -32° (1962) 90° (1986) 2.39" 4.4"
April 37° 59° 4° (1982) 94° (1980) 3.31" 1.2"
May 49° 71° 20° (1907) 104° (1934) 4.25" 0"
June 59° 81° 30° (1943) 105° (1934) 5.57" 0"
July 63° 84° 42° (1947) 112° (1936) 4.58" 0"
August 60° 82° 35° (1915) 109° (1934) 4.74" 0"
September 50° 75° 20° (1942) 103° (1939) 3.53" 0"
October 38° 62° -3° (1925) 94° (1953) 2.63" 0.2"
November 26° 45° -11° (1977) 81° (1938) 2.16" 2.3"
December 14° 31° -28° (1985) 71° (1998) 1.24" 7.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 31° 53° 10° (1896) 83° (1946) 0.1" NA
Apr 2 31° 53° 11° (1896) 86° (2003) 0.1" NA
Apr 3 32° 54° 7° (1936) 83° (1981) 0.1" NA
Apr 4 32° 54° 11° (1975) 86° (1929) 0.1" NA
Apr 5 33° 55° 12° (1920) 82° (1991) 0.1" NA
Apr 6 33° 55° 4° (1982) 87° (1991) 0.1" NA
Apr 7 33° 56° 8° (1982) 78° (1893) 0.1" NA
Apr 8 34° 56° 16° (1972) 89° (1931) 0.11" NA
Apr 9 34° 56° 15° (1997) 80° (1910) 0.11" NA
Apr 10 34° 57° 19° (1918) 91° (1930) 0.11" NA
Apr 11 35° 57° 17° (2004) 87° (1916) 0.11" NA
Apr 12 35° 58° 17° (1940) 85° (1925) 0.11" NA
Apr 13 35° 58° 19° (1950) 84° (1931) 0.11" NA
Apr 14 36° 59° 16° (1907) 87° (2006) 0.11" NA
Apr 15 36° 59° 18° (1943) 87° (2003) 0.11" NA
Apr 16 37° 60° 21° (1904) 90° (1898) 0.11" NA
Apr 17 37° 60° 17° (1907) 87° (1977) 0.11" NA
Apr 18 37° 60° 20° (1907) 89° (1948) 0.11" NA
Apr 19 38° 61° 22° (1928) 89° (1985) 0.11" NA
Apr 20 38° 61° 25° (1904) 84° (1985) 0.11" NA
Apr 21 39° 62° 23° (1907) 90° (1902) 0.11" NA
Apr 22 39° 62° 22° (1936) 92° (1925) 0.11" NA
Apr 23 40° 62° 24° (1909) 94° (1980) 0.12" NA
Apr 24 40° 63° 21° (1988) 87° (1906) 0.12" NA
Apr 25 40° 63° 26° (1934) 86° (1914) 0.12" NA
Apr 26 41° 64° 20° (1907) 86° (1970) 0.12" NA
Apr 27 41° 64° 24° (2004) 89° (1970) 0.12" NA
Apr 28 42° 64° 27° (1950) 93° (1970) 0.12" NA
Apr 29 42° 65° 26° (1958) 94° (1910) 0.12" NA
Apr 30 43° 65° 24° (1908) 92° (1926) 0.12" NA
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