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
Jun 1 55° 77° 39° (1993) 99° (1934) 0.17" NA
Jun 2 56° 77° 40° (1956) 103° (1934) 0.18" NA
Jun 3 56° 77° 37° (1945) 96° (1914) 0.18" NA
Jun 4 56° 78° 35° (1945) 99° (1911) 0.18" NA
Jun 5 57° 78° 42° (1927) 101° (1934) 0.18" NA
Jun 6 57° 78° 43° (1944) 103° (1933) 0.18" NA
Jun 7 57° 79° 38° (1935) 99° (1933) 0.19" NA
Jun 8 57° 79° 40° (1910) 101° (1911) 0.19" NA
Jun 9 58° 79° 39° (1915) 99° (1985) 0.19" NA
Jun 10 58° 80° 39° (1913) 102° (1933) 0.19" NA
Jun 11 58° 80° 43° (1903) 94° (1926) 0.19" NA
Jun 12 59° 80° 36° (1903) 97° (1952) 0.19" NA
Jun 13 59° 80° 40° (1906) 96° (1920) 0.19" NA
Jun 14 59° 81° 40° (1942) 99° (1987) 0.19" NA
Jun 15 59° 81° 40° (1917) 100° (1918) 0.19" NA
Jun 16 60° 81° 42° (1989) 99° (1913) 0.19" NA
Jun 17 60° 81° 43° (1915) 98° (1913) 0.19" NA
Jun 18 60° 82° 47° (1916) 100° (1940) 0.19" NA
Jun 19 60° 82° 42° (1916) 98° (1934) 0.19" NA
Jun 20 60° 82° 45° (1961) 99° (1933) 0.19" NA
Jun 21 61° 82° 30° (1943) 99° (1988) 0.19" NA
Jun 22 61° 82° 41° (1902) 101° (1988) 0.19" NA
Jun 23 61° 83° 46° (1936) 100° (1931) 0.19" NA
Jun 24 61° 83° 46° (1936) 99° (1931) 0.19" NA
Jun 25 61° 83° 42° (2004) 101° (1931) 0.19" NA
Jun 26 62° 83° 43° (2004) 102° (1931) 0.18" NA
Jun 27 62° 83° 44° (1992) 104° (1934) 0.18" NA
Jun 28 62° 83° 46° (1925) 105° (1934) 0.18" NA
Jun 29 62° 83° 47° (1923) 101° (1931) 0.18" NA
Jun 30 62° 84° 41° (1943) 101° (1911) 0.17" NA
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