Walnut City, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 32° -28° (1974) 67° (2003) 0.87" NA
February 17° 37° -26° (1996) 72° (1995) 1.35" NA
March 29° 49° -11° (1978) 87° (1986) 2.15" NA
April 40° 62° 14° (1982) 89° (1989) 3.7" NA
May 51° 71° 28° (1989) 94° (1985) 5.05" NA
June 61° 81° 41° (1989) 103° (1988) 4.97" NA
July 66° 85° 43° (1971) 105° (1983) 5.56" NA
August 64° 84° 43° (1971) 104° (1984) 4.65" NA
September 54° 76° 30° (1984) 98° (2000) 4" NA
October 42° 64° 16° (1972) 92° (1997) 3.06" NA
November 30° 50° -8° (1991) 79° (1999) 2.25" NA
December 18° 36° -26° (1989) 70° (1998) 1.33" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 23° 41° 3° (1976) 65° (1970) 0.06" NA
Dec 2 22° 41° -1° (1985) 64° (1995) 0.06" NA
Dec 3 22° 40° -4° (1985) 67° (1973) 0.05" NA
Dec 4 21° 40° 1° (1991) 65° (1998) 0.06" NA
Dec 5 21° 39° 1° (2005) 70° (1998) 0.06" NA
Dec 6 21° 39° -3° (1972) 68° (2001) 0.05" NA
Dec 7 20° 38° -8° (1976) 57° (2001) 0.05" NA
Dec 8 20° 38° -7° (2005) 59° (1991) 0.05" NA
Dec 9 19° 37° -4° (1976) 61° (1991) 0.05" NA
Dec 10 19° 37° -7° (2009) 59° (1990) 0.05" NA
Dec 11 19° 37° -17° (1972) 60° (1979) 0.05" NA
Dec 12 18° 36° -16° (1989) 58° (1990) 0.04" NA
Dec 13 18° 36° -14° (1989) 61° (1991) 0.05" NA
Dec 14 18° 36° -13° (1985) 62° (1975) 0.04" NA
Dec 15 17° 35° -14° (1989) 59° (2006) 0.04" NA
Dec 16 17° 35° -13° (1989) 61° (2002) 0.04" NA
Dec 17 17° 35° -4° (1989) 53° (1977) 0.04" NA
Dec 18 17° 35° -18° (1985) 61° (2006) 0.04" NA
Dec 19 16° 34° -18° (1983) 64° (1976) 0.04" NA
Dec 20 16° 34° -18° (1983) 56° (1988) 0.04" NA
Dec 21 16° 34° -19° (1989) 51° (1979) 0.04" NA
Dec 22 16° 34° -22° (1989) 58° (1979) 0.04" NA
Dec 23 16° 33° -26° (1989) 54° (1974) 0.03" NA
Dec 24 16° 33° -24° (1989) 50° (1982) 0.04" NA
Dec 25 15° 33° -19° (1983) 56° (1982) 0.03" NA
Dec 26 15° 33° -11° (2000) 51° (2006) 0.04" NA
Dec 27 15° 33° -8° (2000) 51° (1994) 0.03" NA
Dec 28 15° 33° -7° (2000) 63° (1984) 0.03" NA
Dec 29 15° 32° -8° (1983) 66° (1984) 0.03" NA
Dec 30 15° 32° -8° (1990) 58° (1999) 0.03" NA
Dec 31 15° 32° -13° (1976) 56° (2002) 0.03" NA
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