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
Mar 1 19° 40° -14° (1962) 74° (1992) 0.05" 0.2"
Mar 2 20° 41° 1° (1962) 72° (2006) 0.05" 0.2"
Mar 3 20° 41° -5° (2002) 77° (1983) 0.05" 0.2"
Mar 4 21° 42° -12° (1960) 74° (1983) 0.05" 0.2"
Mar 5 21° 42° -23° (1960) 69° (1987) 0.06" 0.2"
Mar 6 21° 43° -9° (1960) 73° (1987) 0.05" 0.2"
Mar 7 22° 43° -7° (1996) 72° (1987) 0.06" 0.2"
Mar 8 22° 44° -7° (1995) 75° (2000) 0.05" 0.1"
Mar 9 23° 44° -4° (1984) 74° (1986) 0.06" 0.2"
Mar 10 23° 45° -3° (1984) 73° (1967) 0.06" 0.2"
Mar 11 23° 45° -5° (1998) 73° (1972) 0.06" 0.2"
Mar 12 24° 46° -13° (1998) 73° (1990) 0.06" 0.1"
Mar 13 24° 46° -10° (1975) 71° (1957) 0.06" 0.2"
Mar 14 24° 47° -10° (1975) 78° (2007) 0.07" 0.2"
Mar 15 25° 47° 4° (1949) 73° (1966) 0.07" 0.1"
Mar 16 25° 48° 9° (1951) 78° (1966) 0.07" 0.2"
Mar 17 26° 48° 5° (1962) 75° (2003) 0.07" 0.2"
Mar 18 26° 49° 3° (1965) 75° (2003) 0.07" 0.1"
Mar 19 26° 49° 2° (1965) 77° (1976) 0.08" 0.2"
Mar 20 27° 50° 7° (1951) 69° (1972) 0.08" 0.1"
Mar 21 27° 50° -1° (1951) 72° (1953) 0.07" 0.1"
Mar 22 27° 51° 6° (2002) 80° (1988) 0.08" 0.2"
Mar 23 28° 51° 7° (1965) 75° (1994) 0.08" 0.1"
Mar 24 28° 52° 1° (1952) 84° (1967) 0.08" 0.1"
Mar 25 28° 52° 6° (1955) 79° (1956) 0.09" 0.2"
Mar 26 29° 53° 1° (1955) 81° (1989) 0.08" 0.1"
Mar 27 29° 53° 9° (1955) 80° (1989) 0.09" 0.2"
Mar 28 29° 54° 9° (1970) 84° (1986) 0.08" 0.1"
Mar 29 30° 54° 4° (1969) 89° (1986) 0.09" 0.1"
Mar 30 30° 55° 9° (1964) 87° (1968) 0.1" 0.2"
Mar 31 30° 55° 12° (1987) 83° (1986) 0.09" 0.1"
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