Walnut, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -29° (1974) 66° (1981) 0.78" 7.1"
February 14° 34° -25° (1996) 71° (1999) 0.78" 6.9"
March 25° 47° -23° (1960) 89° (1986) 2.17" 6.4"
April 35° 61° 2° (1975) 93° (1989) 3.28" 1.2"
May 48° 72° 25° (1961) 100° (1967) 4.18" 0"
June 58° 81° 31° (1969) 102° (1988) 4.35" 0"
July 63° 84° 40° (1972) 106° (1955) 4.1" 0"
August 61° 82° 35° (1967) 105° (1955) 3.79" 0"
September 51° 75° 27° (1984) 106° (2000) 4.46" 0"
October 38° 62° 12° (1993) 94° (1953) 2.68" 0.5"
November 25° 45° -9° (1991) 80° (2006) 1.8" 2.4"
December 13° 32° -26° (1989) 67° (1975) 1.01" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 44° 69° 28° (1974) 89° (1956) 0.12" NA
Oct 2 44° 69° 25° (2004) 94° (1953) 0.12" NA
Oct 3 44° 69° 29° (1987) 92° (1997) 0.12" NA
Oct 4 43° 68° 25° (1968) 90° (2006) 0.11" NA
Oct 5 43° 68° 26° (1999) 91° (1963) 0.11" NA
Oct 6 43° 67° 25° (1952) 90° (1963) 0.11" NA
Oct 7 42° 67° 23° (1952) 87° (2007) 0.1" NA
Oct 8 42° 67° 21° (2000) 86° (2007) 0.1" NA
Oct 9 41° 66° 21° (2000) 83° (1962) 0.1" NA
Oct 10 41° 66° 22° (2000) 85° (1962) 0.09" NA
Oct 11 40° 65° 20° (1987) 87° (1960) 0.09" NA
Oct 12 40° 65° 25° (1980) 90° (1975) 0.09" NA
Oct 13 40° 64° 25° (2006) 88° (1975) 0.09" NA
Oct 14 39° 64° 24° (1969) 87° (1953) 0.09" NA
Oct 15 39° 63° 25° (2006) 86° (1953) 0.08" NA
Oct 16 38° 63° 24° (1966) 81° (1961) 0.08" NA
Oct 17 38° 62° 16° (1976) 83° (1961) 0.08" NA
Oct 18 38° 62° 24° (1948) 84° (1950) 0.08" NA
Oct 19 37° 61° 13° (1972) 86° (2003) 0.08" NA
Oct 20 37° 61° 15° (1960) 87° (2003) 0.07" NA
Oct 21 36° 60° 23° (1999) 85° (2003) 0.07" NA
Oct 22 36° 60° 18° (1976) 84° (2003) 0.07" NA
Oct 23 35° 59° 19° (1981) 80° (1963) 0.07" NA
Oct 24 35° 59° 19° (1999) 79° (1952) 0.07" NA
Oct 25 34° 58° 21° (1976) 80° (1952) 0.07" NA
Oct 26 34° 57° 19° (2001) 84° (1955) 0.07" NA
Oct 27 34° 57° 13° (1997) 82° (1966) 0.07" NA
Oct 28 33° 56° 15° (1967) 83° (1999) 0.07" NA
Oct 29 33° 56° 17° (1952) 79° (1990) 0.07" NA
Oct 30 32° 55° 18° (1988) 83° (1950) 0.07" NA
Oct 31 32° 54° 12° (1993) 81° (1950) 0.07" NA
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