Defiance, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -29° (1974) 66° (1981) 0.78" 7.1"
February 14° 34° -25° (1996) 71° (1999) 0.78" 6.9"
March 25° 47° -23° (1960) 89° (1986) 2.17" 6.4"
April 35° 61° 2° (1975) 93° (1989) 3.28" 1.2"
May 48° 72° 25° (1961) 100° (1967) 4.18" 0"
June 58° 81° 31° (1969) 102° (1988) 4.35" 0"
July 63° 84° 40° (1972) 106° (1955) 4.1" 0"
August 61° 82° 35° (1967) 105° (1955) 3.79" 0"
September 51° 75° 27° (1984) 106° (2000) 4.46" 0"
October 38° 62° 12° (1993) 94° (1953) 2.68" 0.5"
November 25° 45° -9° (1991) 80° (2006) 1.8" 2.4"
December 13° 32° -26° (1989) 67° (1975) 1.01" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 62° 84° 47° (1995) 99° (1963) 0.14" NA
Jul 2 62° 84° 50° (1959) 99° (1974) 0.14" NA
Jul 3 62° 84° 45° (1968) 99° (1990) 0.14" NA
Jul 4 62° 84° 46° (1967) 98° (1977) 0.14" NA
Jul 5 62° 84° 40° (1972) 99° (1948) 0.14" NA
Jul 6 62° 84° 49° (1972) 102° (1954) 0.14" NA
Jul 7 63° 84° 51° (1967) 98° (1948) 0.14" NA
Jul 8 63° 84° 51° (1953) 98° (1974) 0.14" NA
Jul 9 63° 84° 48° (1953) 98° (1974) 0.14" NA
Jul 10 63° 84° 48° (1996) 99° (1966) 0.14" NA
Jul 11 63° 84° 53° (1959) 104° (1954) 0.14" NA
Jul 12 63° 85° 51° (1975) 102° (1954) 0.14" NA
Jul 13 63° 85° 48° (1975) 104° (1954) 0.14" NA
Jul 14 63° 85° 44° (1967) 98° (1980) 0.13" NA
Jul 15 63° 85° 43° (1967) 97° (1980) 0.13" NA
Jul 16 63° 85° 52° (1967) 98° (1957) 0.13" NA
Jul 17 63° 85° 52° (1976) 101° (1954) 0.13" NA
Jul 18 64° 85° 54° (1979) 100° (1974) 0.13" NA
Jul 19 64° 85° 55° (1979) 103° (1974) 0.13" NA
Jul 20 64° 85° 51° (1970) 100° (1974) 0.13" NA
Jul 21 64° 85° 46° (1970) 104° (1974) 0.13" NA
Jul 22 64° 85° 49° (1970) 99° (2002) 0.13" NA
Jul 23 64° 85° 52° (1948) 96° (2005) 0.13" NA
Jul 24 64° 84° 52° (2003) 100° (2005) 0.13" NA
Jul 25 64° 84° 49° (2004) 98° (2005) 0.13" NA
Jul 26 64° 84° 47° (1962) 105° (1956) 0.12" NA
Jul 27 64° 84° 51° (1971) 102° (1955) 0.12" NA
Jul 28 64° 84° 49° (1994) 100° (1955) 0.12" NA
Jul 29 64° 84° 50° (1952) 102° (1955) 0.12" NA
Jul 30 63° 84° 42° (1971) 105° (1955) 0.12" NA
Jul 31 63° 84° 44° (1971) 106° (1955) 0.12" NA
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