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
May 1 46° 70° 29° (1950) 88° (1952) 0.14" 0"
May 2 46° 71° 32° (1961) 88° (1968) 0.14" 0"
May 3 46° 71° 24° (2005) 88° (1949) 0.15" 0"
May 4 47° 71° 27° (2005) 89° (1949) 0.14" 0"
May 5 47° 72° 33° (1954) 91° (1949) 0.14" 0"
May 6 48° 72° 31° (2006) 88° (2004) 0.14" 0"
May 7 48° 72° 31° (1967) 87° (2004) 0.14" 0"
May 8 48° 73° 33° (1954) 89° (1963) 0.14" 0"
May 9 49° 73° 31° (1966) 90° (1963) 0.15" 0"
May 10 49° 73° 27° (1966) 89° (1987) 0.14" 0"
May 11 49° 73° 27° (1966) 90° (1987) 0.14" 0"
May 12 50° 74° 36° (1967) 92° (1956) 0.16" 0"
May 13 50° 74° 33° (1953) 91° (1956) 0.15" 0"
May 14 50° 74° 36° (1966) 89° (1998) 0.16" 0"
May 15 51° 75° 35° (2004) 89° (2007) 0.14" 0"
May 16 51° 75° 33° (2005) 90° (2001) 0.15" 0"
May 17 51° 75° 39° (1968) 90° (2001) 0.15" 0"
May 18 52° 75° 37° (2007) 91° (1964) 0.15" 0"
May 19 52° 76° 37° (1953) 91° (1962) 0.15" 0"
May 20 52° 76° 35° (1954) 90° (1975) 0.16" 0"
May 21 53° 76° 37° (2002) 89° (1964) 0.15" 0"
May 22 53° 77° 33° (1963) 91° (1956) 0.15" 0"
May 23 53° 77° 32° (1963) 89° (1955) 0.15" 0"
May 24 54° 77° 37° (1963) 90° (2006) 0.15" 0"
May 25 54° 77° 40° (1963) 94° (1967) 0.15" 0"
May 26 54° 78° 36° (1961) 95° (1985) 0.14" 0"
May 27 55° 78° 37° (1971) 93° (1967) 0.15" 0"
May 28 55° 78° 40° (1965) 95° (2006) 0.14" 0"
May 29 55° 79° 36° (1952) 95° (2006) 0.15" 0"
May 30 56° 79° 40° (1951) 96° (2006) 0.15" 0"
May 31 56° 79° 42° (1972) 92° (2006) 0.16" 0"
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