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