Walnut City, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 30° -28° (1974) 67° (2003) 0.9" NA
February 16° 36° -26° (1996) 72° (1995) 1.08" NA
March 28° 49° -11° (1978) 87° (1986) 2.19" NA
April 40° 61° 14° (1982) 89° (1989) 3.46" NA
May 50° 72° 28° (1989) 94° (1985) 4.65" NA
June 60° 81° 41° (1989) 103° (1988) 4.6" NA
July 65° 86° 43° (1971) 105° (1983) 5.13" NA
August 62° 84° 43° (1971) 104° (1984) 3.95" NA
September 53° 76° 30° (1984) 98° (2000) 4.08" NA
October 41° 65° 16° (1972) 92° (1997) 2.93" NA
November 28° 48° -8° (1991) 79° (1999) 2.35" NA
December 16° 34° -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
May 1 45° 67° 34° (1978) 87° (1992) 0.14" NA
May 2 45° 67° 32° (1970) 87° (1992) 0.14" NA
May 3 46° 67° 31° (1976) 84° (1987) 0.14" NA
May 4 46° 68° 30° (2005) 81° (1980) 0.14" NA
May 5 47° 68° 37° (1984) 84° (1982) 0.14" NA
May 6 47° 68° 32° (1989) 86° (1980) 0.15" NA
May 7 47° 69° 28° (1989) 87° (2004) 0.15" NA
May 8 48° 69° 33° (1976) 82° (1988) 0.15" NA
May 9 48° 69° 29° (1980) 85° (2004) 0.15" NA
May 10 48° 70° 38° (1977) 83° (1979) 0.15" NA
May 11 49° 70° 36° (1981) 86° (2005) 0.15" NA
May 12 49° 71° 38° (1971) 89° (2000) 0.15" NA
May 13 49° 71° 34° (1971) 84° (1988) 0.15" NA
May 14 50° 71° 34° (1980) 87° (1991) 0.15" NA
May 15 50° 72° 35° (1973) 92° (1988) 0.15" NA
May 16 51° 72° 37° (1997) 86° (2001) 0.15" NA
May 17 51° 72° 37° (1973) 86° (1992) 0.15" NA
May 18 51° 73° 38° (2002) 90° (1996) 0.15" NA
May 19 52° 73° 39° (2002) 90° (1996) 0.15" NA
May 20 52° 73° 39° (1981) 90° (1996) 0.15" NA
May 21 52° 74° 37° (2002) 88° (1987) 0.16" NA
May 22 53° 74° 41° (2002) 86° (2004) 0.16" NA
May 23 53° 74° 44° (1987) 90° (1975) 0.16" NA
May 24 53° 75° 41° (2001) 85° (1973) 0.16" NA
May 25 54° 75° 39° (1971) 87° (1970) 0.16" NA
May 26 54° 75° 36° (1971) 87° (1978) 0.15" NA
May 27 54° 76° 40° (1971) 94° (1985) 0.15" NA
May 28 55° 76° 40° (1971) 90° (1980) 0.15" NA
May 29 55° 76° 42° (1971) 90° (2006) 0.15" NA
May 30 55° 77° 42° (1984) 90° (2006) 0.15" NA
May 31 56° 77° 41° (1972) 88° (2003) 0.15" NA
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