Delaware, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -30° (1994) 61° (2002) 0.88" 8.5"
February 13° 31° -32° (1996) 68° (2000) 1.21" 7.3"
March 24° 44° -12° (1980) 87° (1986) 1.82" 3.4"
April 35° 58° -9° (1982) 97° (1980) 3.53" 1.1"
May 47° 70° 19° (2005) 92° (2006) 4.32" 0"
June 57° 79° 35° (1993) 101° (1988) 5.17" 0"
July 61° 83° 42° (1984) 100° (1989) 4.91" 0"
August 58° 81° 38° (2004) 102° (1988) 4.84" 0"
September 48° 74° 23° (1984) 96° (2000) 3.3" 0"
October 37° 61° 11° (1988) 93° (1997) 2.85" 0.2"
November 26° 45° -16° (1977) 79° (1999) 2.38" 2"
December 13° 31° -26° (2000) 69° (1998) 1.44" 9.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 52° 75° 35° (1993) 91° (1988) 0.17" 0"
Jun 2 53° 75° 42° (1993) 92° (1988) 0.16" 0"
Jun 3 53° 75° 41° (1994) 88° (1979) 0.17" 0"
Jun 4 53° 76° 38° (1990) 91° (1977) 0.16" 0"
Jun 5 54° 76° 38° (1993) 93° (1977) 0.17" 0"
Jun 6 54° 76° 41° (1983) 92° (1977) 0.17" 0"
Jun 7 54° 77° 42° (1998) 89° (1988) 0.17" 0"
Jun 8 55° 77° 46° (1978) 92° (1988) 0.18" 0"
Jun 9 55° 77° 39° (1994) 96° (1985) 0.18" 0"
Jun 10 55° 78° 40° (1988) 88° (1999) 0.18" 0"
Jun 11 56° 78° 41° (1980) 92° (1976) 0.18" 0"
Jun 12 56° 78° 42° (2006) 92° (2001) 0.18" 0"
Jun 13 56° 79° 41° (1982) 90° (1976) 0.19" 0"
Jun 14 57° 79° 49° (1977) 96° (1987) 0.17" 0"
Jun 15 57° 79° 42° (1999) 97° (1987) 0.18" 0"
Jun 16 57° 79° 42° (1989) 90° (1994) 0.17" 0"
Jun 17 58° 80° 43° (2000) 90° (1987) 0.17" 0"
Jun 18 58° 80° 45° (1980) 93° (1987) 0.17" 0"
Jun 19 58° 80° 42° (1976) 93° (1994) 0.17" 0"
Jun 20 58° 81° 43° (2003) 91° (1986) 0.17" 0"
Jun 21 59° 81° 38° (1992) 99° (1988) 0.16" 0"
Jun 22 59° 81° 43° (1982) 101° (1988) 0.18" 0"
Jun 23 59° 81° 44° (1982) 97° (2009) 0.17" 0"
Jun 24 59° 81° 49° (1979) 96° (2009) 0.16" 0"
Jun 25 60° 82° 40° (2004) 95° (2005) 0.17" 0"
Jun 26 60° 82° 46° (2004) 94° (1980) 0.17" 0"
Jun 27 60° 82° 40° (1992) 96° (1977) 0.18" 0"
Jun 28 60° 82° 48° (1992) 95° (1977) 0.18" 0"
Jun 29 60° 82° 51° (1999) 93° (1988) 0.17" 0"
Jun 30 60° 82° 45° (2007) 94° (1991) 0.17" 0"
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