Walnut, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 30° -29° (1974) 66° (1981) 0.86" 6.8"
February 15° 35° -25° (1996) 71° (1999) 0.91" 6.6"
March 25° 48° -23° (1960) 89° (1986) 2.16" 5"
April 37° 61° 2° (1975) 93° (1989) 3.3" 1.4"
May 50° 72° 25° (1961) 100° (1967) 4.6" 0"
June 60° 81° 31° (1969) 102° (1988) 4.63" 0"
July 64° 84° 40° (1972) 106° (1955) 4.17" 0"
August 62° 82° 35° (1967) 105° (1955) 3.75" 0"
September 52° 75° 27° (1984) 106° (2000) 3.81" 0"
October 39° 63° 12° (1993) 94° (1953) 2.59" 0.8"
November 26° 47° -9° (1991) 80° (2006) 1.62" 2.8"
December 14° 32° -26° (1989) 67° (1975) 1.16" 6.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 31° 55° 16° (1975) 88° (1956) 0.09" 0.1"
Apr 2 31° 56° 16° (1970) 89° (2003) 0.09" 0.1"
Apr 3 31° 56° 2° (1975) 84° (2003) 0.08" 0.1"
Apr 4 32° 57° 14° (2002) 78° (1988) 0.09" 0"
Apr 5 32° 57° 15° (1968) 86° (1991) 0.09" 0.1"
Apr 6 33° 58° 11° (1982) 88° (1972) 0.09" 0.1"
Apr 7 33° 58° 15° (1982) 83° (1988) 0.1" 0.1"
Apr 8 33° 59° 14° (2007) 85° (1988) 0.1" 0"
Apr 9 34° 59° 14° (2007) 87° (1977) 0.1" 0.1"
Apr 10 34° 59° 17° (1952) 85° (1977) 0.1" 0.1"
Apr 11 34° 60° 21° (1973) 91° (1996) 0.1" 0"
Apr 12 35° 60° 17° (1957) 84° (2006) 0.1" 0.1"
Apr 13 35° 61° 15° (1950) 79° (1976) 0.11" 0"
Apr 14 36° 61° 16° (1950) 90° (2006) 0.11" 0.1"
Apr 15 36° 61° 19° (1962) 89° (2003) 0.1" 0"
Apr 16 37° 62° 24° (1949) 86° (1964) 0.11" 0.1"
Apr 17 37° 62° 21° (1997) 90° (2004) 0.12" 0"
Apr 18 37° 62° 19° (1953) 92° (1994) 0.11" 0"
Apr 19 38° 63° 20° (1988) 90° (1987) 0.11" 0.1"
Apr 20 38° 63° 25° (1953) 87° (1961) 0.12" 0"
Apr 21 39° 64° 21° (1966) 90° (1980) 0.12" 0"
Apr 22 39° 64° 25° (1986) 92° (1980) 0.12" 0.1"
Apr 23 40° 64° 24° (1956) 87° (1950) 0.13" 0"
Apr 24 40° 65° 20° (1956) 91° (1989) 0.12" 0"
Apr 25 41° 65° 26° (1968) 90° (1981) 0.13" 0"
Apr 26 41° 65° 27° (1950) 93° (1989) 0.13" 0.1"
Apr 27 42° 66° 26° (1950) 91° (1989) 0.13" 0"
Apr 28 42° 66° 25° (1965) 90° (1970) 0.13" 0"
Apr 29 42° 66° 27° (1958) 89° (1987) 0.14" 0"
Apr 30 43° 67° 28° (2005) 90° (1965) 0.13" 0"
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