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
Feb 1 28° -25° (1918) 55° (1911) 0.03" NA
Feb 2 29° -31° (1996) 60° (1924) 0.03" NA
Feb 3 29° -35° (1996) 60° (1987) 0.03" NA
Feb 4 29° -27° (1996) 58° (1925) 0.03" NA
Feb 5 10° 29° -32° (1936) 62° (1946) 0.03" NA
Feb 6 10° 30° -24° (1979) 59° (1925) 0.03" NA
Feb 7 10° 30° -23° (1905) 52° (1987) 0.03" NA
Feb 8 10° 30° -23° (1899) 61° (1987) 0.03" NA
Feb 9 11° 31° -29° (1979) 58° (1999) 0.03" NA
Feb 10 11° 31° -28° (1899) 61° (1976) 0.03" NA
Feb 11 11° 31° -24° (1899) 62° (1999) 0.03" NA
Feb 12 12° 31° -22° (1988) 65° (1990) 0.03" NA
Feb 13 12° 32° -30° (1905) 62° (1976) 0.03" NA
Feb 14 12° 32° -29° (1905) 64° (1954) 0.04" NA
Feb 15 13° 33° -22° (1905) 72° (1921) 0.04" NA
Feb 16 13° 33° -22° (1905) 63° (1921) 0.04" NA
Feb 17 13° 33° -21° (1958) 65° (1913) 0.04" NA
Feb 18 14° 34° -18° (1936) 64° (1981) 0.04" NA
Feb 19 14° 34° -28° (1936) 65° (1981) 0.04" NA
Feb 20 15° 34° -15° (1929) 61° (1930) 0.04" NA
Feb 21 15° 35° -11° (1936) 66° (1930) 0.04" NA
Feb 22 15° 35° -10° (1963) 61° (1930) 0.04" NA
Feb 23 16° 36° -14° (1989) 65° (1984) 0.05" NA
Feb 24 16° 36° -18° (1993) 71° (1930) 0.05" NA
Feb 25 17° 36° -15° (1940) 67° (1930) 0.05" NA
Feb 26 17° 37° -18° (1963) 63° (2000) 0.05" NA
Feb 27 18° 37° -11° (1935) 58° (1931) 0.05" NA
Feb 28 18° 38° -16° (1962) 64° (1946) 0.05" NA
Feb 29 18° 38° -7° (1960) 64° (2000) 0.05" NA
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