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
Aug 1 64° 83° 50° (1968) 100° (1953) 0.12" 0"
Aug 2 64° 83° 51° (2002) 99° (1964) 0.12" 0"
Aug 3 63° 83° 49° (1966) 97° (1955) 0.12" 0"
Aug 4 63° 83° 45° (1978) 101° (1954) 0.12" 0"
Aug 5 63° 83° 48° (1948) 95° (1956) 0.12" 0"
Aug 6 63° 83° 50° (1990) 98° (1968) 0.11" 0"
Aug 7 63° 83° 45° (1989) 98° (1988) 0.12" 0"
Aug 8 63° 83° 49° (1989) 95° (1988) 0.12" 0"
Aug 9 63° 83° 48° (1972) 94° (1980) 0.12" 0"
Aug 10 63° 83° 46° (1967) 96° (1983) 0.12" 0"
Aug 11 63° 83° 47° (1968) 95° (1988) 0.12" 0"
Aug 12 63° 82° 45° (1964) 98° (1957) 0.12" 0"
Aug 13 62° 82° 42° (1964) 95° (1970) 0.12" 0"
Aug 14 62° 82° 46° (2004) 98° (1988) 0.12" 0"
Aug 15 62° 82° 46° (1992) 100° (1988) 0.13" 0"
Aug 16 62° 82° 48° (2004) 99° (1983) 0.13" 0"
Aug 17 62° 82° 49° (1962) 100° (1988) 0.12" 0"
Aug 18 62° 82° 49° (1950) 98° (1983) 0.13" 0"
Aug 19 62° 82° 43° (1967) 100° (2003) 0.12" 0"
Aug 20 61° 82° 38° (1950) 98° (1955) 0.11" 0"
Aug 21 61° 82° 45° (1950) 100° (1955) 0.12" 0"
Aug 22 61° 82° 49° (2004) 97° (1968) 0.12" 0"
Aug 23 61° 82° 46° (1966) 97° (1948) 0.11" 0"
Aug 24 60° 81° 47° (1966) 96° (1955) 0.11" 0"
Aug 25 60° 81° 43° (1964) 100° (1955) 0.13" 0"
Aug 26 60° 81° 45° (1964) 102° (2003) 0.12" 0"
Aug 27 60° 81° 41° (1967) 105° (1955) 0.13" 0"
Aug 28 59° 81° 40° (1986) 98° (1955) 0.12" 0"
Aug 29 59° 81° 44° (1988) 97° (1948) 0.13" 0"
Aug 30 59° 81° 45° (2004) 97° (1953) 0.13" 0"
Aug 31 58° 80° 35° (1967) 99° (2000) 0.12" 0"
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