Iowa City, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 32° -24° (1963) 68° (1989) 1.1" 7.5"
February 18° 37° -26° (1996) 68° (2002) 1.35" 6.3"
March 29° 50° -17° (1962) 88° (1986) 2.32" 3.4"
April 40° 65° 10° (1982) 93° (1980) 3.54" 0.7"
May 51° 75° 24° (2005) 96° (2006) 4.57" 0"
June 61° 83° 38° (1951) 102° (1988) 5.06" 0"
July 65° 87° 45° (1951) 104° (1988) 4.58" 0"
August 63° 85° 39° (1950) 103° (2006) 4.66" 0"
September 54° 78° 29° (1984) 99° (1984) 3.17" 0"
October 42° 66° 12° (1952) 94° (2006) 3.03" 0.1"
November 31° 50° -6° (1977) 79° (2000) 2.58" 0.6"
December 18° 35° -20° (1985) 71° (1998) 1.69" 8.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 60° 83° 40° (1949) 99° (1984) 0.12" 0"
Sep 2 60° 83° 43° (1955) 98° (1984) 0.12" 0"
Sep 3 59° 83° 42° (1952) 97° (2000) 0.12" 0"
Sep 4 59° 82° 42° (1952) 96° (1960) 0.12" 0"
Sep 5 58° 82° 40° (1962) 95° (1960) 0.11" 0"
Sep 6 58° 82° 38° (1962) 98° (1985) 0.12" 0"
Sep 7 58° 81° 40° (1956) 98° (1985) 0.11" 0"
Sep 8 57° 81° 40° (1986) 96° (1985) 0.11" 0"
Sep 9 57° 81° 44° (1949) 99° (1955) 0.11" 0"
Sep 10 56° 81° 41° (1976) 94° (1983) 0.11" 0"
Sep 11 56° 80° 36° (1955) 96° (2000) 0.1" 0"
Sep 12 56° 80° 33° (1955) 95° (2000) 0.11" 0"
Sep 13 55° 80° 34° (1953) 92° (1991) 0.1" 0"
Sep 14 55° 79° 39° (1949) 91° (1991) 0.1" 0"
Sep 15 54° 79° 33° (2007) 94° (1955) 0.1" 0"
Sep 16 54° 78° 38° (1966) 91° (1955) 0.1" 0"
Sep 17 53° 78° 40° (1951) 93° (1988) 0.11" 0"
Sep 18 53° 78° 38° (1959) 93° (1955) 0.1" 0"
Sep 19 52° 77° 36° (1991) 96° (1948) 0.11" 0"
Sep 20 52° 77° 32° (1956) 90° (1984) 0.1" 0"
Sep 21 52° 76° 34° (1962) 92° (2005) 0.11" 0"
Sep 22 51° 76° 31° (1953) 89° (1988) 0.11" 0"
Sep 23 51° 76° 32° (1983) 90° (2007) 0.1" 0"
Sep 24 50° 75° 34° (1989) 89° (1984) 0.09" 0"
Sep 25 50° 75° 37° (1965) 88° (1986) 0.1" 0"
Sep 26 49° 74° 33° (1984) 89° (1998) 0.1" 0"
Sep 27 49° 74° 34° (1985) 89° (1954) 0.1" 0"
Sep 28 48° 74° 31° (1961) 96° (1953) 0.1" 0"
Sep 29 48° 73° 29° (1984) 95° (1953) 0.09" 0"
Sep 30 48° 73° 30° (2003) 91° (1952) 0.09" 0"
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