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
Sep 1 60° 81° 47° (1987) 96° (2000) 0.13" NA
Sep 2 60° 81° 46° (1974) 98° (1984) 0.14" NA
Sep 3 59° 81° 40° (1974) 98° (2000) 0.14" NA
Sep 4 59° 80° 33° (1974) 93° (1983) 0.13" NA
Sep 5 58° 80° 37° (1974) 95° (1990) 0.14" NA
Sep 6 58° 80° 37° (1988) 96° (1990) 0.14" NA
Sep 7 58° 79° 42° (1988) 97° (1990) 0.14" NA
Sep 8 57° 79° 38° (1986) 96° (1971) 0.13" NA
Sep 9 57° 79° 44° (1986) 98° (1971) 0.14" NA
Sep 10 56° 78° 37° (1976) 93° (1983) 0.13" NA
Sep 11 56° 78° 41° (1970) 92° (2005) 0.13" NA
Sep 12 56° 78° 41° (1975) 95° (2000) 0.13" NA
Sep 13 55° 77° 40° (1974) 93° (1991) 0.13" NA
Sep 14 55° 77° 35° (1974) 89° (1991) 0.13" NA
Sep 15 54° 76° 37° (1979) 91° (1994) 0.13" NA
Sep 16 54° 76° 37° (1984) 87° (1994) 0.13" NA
Sep 17 53° 76° 41° (1980) 90° (1997) 0.13" NA
Sep 18 53° 75° 39° (1981) 90° (1988) 0.13" NA
Sep 19 52° 75° 35° (1991) 91° (1972) 0.13" NA
Sep 20 52° 74° 33° (1991) 91° (1972) 0.14" NA
Sep 21 51° 74° 33° (1991) 87° (1970) 0.14" NA
Sep 22 51° 74° 32° (1974) 88° (1986) 0.14" NA
Sep 23 50° 73° 32° (1983) 88° (1988) 0.13" NA
Sep 24 50° 73° 31° (1989) 86° (1999) 0.14" NA
Sep 25 50° 72° 34° (1989) 90° (1984) 0.13" NA
Sep 26 49° 72° 32° (1975) 86° (1986) 0.13" NA
Sep 27 49° 72° 33° (1980) 87° (1998) 0.14" NA
Sep 28 48° 71° 36° (1985) 89° (1971) 0.13" NA
Sep 29 48° 71° 30° (1984) 87° (1971) 0.13" NA
Sep 30 47° 70° 32° (1972) 89° (1981) 0.12" NA
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