Defiance, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 30° -29° (1974) 66° (1981) 0.86" 6.8"
February 15° 35° -25° (1996) 71° (1999) 0.91" 6.6"
March 25° 48° -23° (1960) 89° (1986) 2.16" 5"
April 37° 61° 2° (1975) 93° (1989) 3.3" 1.4"
May 50° 72° 25° (1961) 100° (1967) 4.6" 0"
June 60° 81° 31° (1969) 102° (1988) 4.63" 0"
July 64° 84° 40° (1972) 106° (1955) 4.17" 0"
August 62° 82° 35° (1967) 105° (1955) 3.75" 0"
September 52° 75° 27° (1984) 106° (2000) 3.81" 0"
October 39° 63° 12° (1993) 94° (1953) 2.59" 0.8"
November 26° 47° -9° (1991) 80° (2006) 1.62" 2.8"
December 14° 32° -26° (1989) 67° (1975) 1.16" 6.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 44° 69° 28° (1974) 89° (1956) 0.11" 0"
Oct 2 44° 69° 25° (2004) 94° (1953) 0.11" 0"
Oct 3 44° 69° 29° (1987) 92° (1997) 0.1" 0"
Oct 4 43° 68° 25° (1968) 90° (2006) 0.1" 0"
Oct 5 43° 68° 26° (1999) 91° (1963) 0.1" 0"
Oct 6 42° 67° 25° (1952) 90° (1963) 0.1" 0"
Oct 7 42° 67° 23° (1952) 87° (2007) 0.08" 0"
Oct 8 42° 66° 21° (2000) 86° (2007) 0.09" 0"
Oct 9 41° 66° 21° (2000) 89° (2010) 0.1" 0"
Oct 10 41° 66° 22° (2000) 85° (1962) 0.09" 0.1"
Oct 11 41° 65° 20° (1987) 87° (1960) 0.09" 0"
Oct 12 40° 65° 25° (1980) 90° (1975) 0.09" 0"
Oct 13 40° 64° 25° (2006) 88° (1975) 0.08" 0"
Oct 14 40° 64° 24° (1969) 87° (1953) 0.09" 0"
Oct 15 39° 63° 25° (2006) 86° (1953) 0.08" 0"
Oct 16 39° 63° 24° (1966) 81° (1961) 0.08" 0.1"
Oct 17 39° 63° 16° (1976) 83° (1961) 0.09" 0"
Oct 18 38° 62° 24° (1948) 84° (1950) 0.08" 0"
Oct 19 38° 62° 13° (1972) 86° (2003) 0.08" 0.1"
Oct 20 38° 61° 15° (1960) 87° (2003) 0.08" 0"
Oct 21 37° 61° 23° (1999) 85° (2003) 0.08" 0"
Oct 22 37° 60° 18° (1976) 84° (2003) 0.07" 0"
Oct 23 37° 60° 19° (1981) 80° (1963) 0.08" 0.1"
Oct 24 36° 59° 19° (1999) 79° (1952) 0.07" 0"
Oct 25 36° 59° 21° (1976) 80° (1952) 0.07" 0.1"
Oct 26 35° 58° 19° (2001) 84° (1955) 0.07" 0"
Oct 27 35° 58° 13° (1997) 82° (1966) 0.07" 0.1"
Oct 28 35° 57° 15° (1967) 83° (1999) 0.07" 0"
Oct 29 34° 57° 17° (1952) 79° (1990) 0.07" 0.1"
Oct 30 34° 56° 18° (1988) 83° (1950) 0.06" 0"
Oct 31 34° 56° 12° (1993) 81° (1950) 0.06" 0.1"
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