Alton, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° -30° (1972) 68° (2002) 0.75" 6.6"
February 14° 35° -27° (1994) 68° (1981) 0.75" 5.4"
March 25° 47° -19° (1960) 87° (1968) 1.97" 6.8"
April 36° 63° -1° (1975) 95° (2007) 3.14" 2.9"
May 48° 75° 17° (1967) 104° (1967) 3.43" 0.3"
June 58° 83° 33° (1989) 105° (1988) 4.45" 0"
July 62° 86° 38° (1972) 103° (1988) 3.77" 0"
August 60° 83° 37° (1986) 101° (1988) 3.48" 0"
September 51° 77° 21° (1984) 102° (1976) 3.27" 0"
October 38° 64° 9° (1972) 92° (2006) 2.37" 1"
November 25° 45° -20° (1959) 79° (1999) 1.54" 4.6"
December 12° 31° -29° (1989) 66° (1998) 0.94" 7.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 61° 84° 47° (1995) 100° (1955) 0.12" 0"
Aug 2 61° 84° 48° (2002) 97° (1955) 0.12" 0"
Aug 3 61° 84° 47° (1966) 98° (1955) 0.12" 0"
Aug 4 61° 84° 42° (1978) 96° (1955) 0.11" 0"
Aug 5 61° 84° 41° (1994) 95° (1955) 0.12" 0"
Aug 6 61° 84° 44° (1990) 95° (1968) 0.11" 0"
Aug 7 61° 84° 46° (1976) 96° (1988) 0.1" 0"
Aug 8 61° 84° 47° (1989) 96° (1958) 0.12" 0"
Aug 9 61° 84° 42° (1966) 94° (1995) 0.11" 0"
Aug 10 61° 84° 45° (1967) 97° (1976) 0.11" 0"
Aug 11 61° 84° 43° (1986) 97° (1976) 0.12" 0"
Aug 12 60° 84° 43° (1964) 94° (1988) 0.12" 0"
Aug 13 60° 84° 39° (1964) 97° (1965) 0.11" 0"
Aug 14 60° 84° 41° (2004) 98° (1988) 0.11" 0"
Aug 15 60° 84° 42° (1992) 101° (1988) 0.12" 0"
Aug 16 60° 83° 47° (1970) 101° (1988) 0.12" 0"
Aug 17 60° 83° 49° (1981) 98° (1983) 0.12" 0"
Aug 18 60° 83° 42° (2002) 99° (1983) 0.11" 0"
Aug 19 60° 83° 39° (2004) 98° (1983) 0.11" 0"
Aug 20 59° 83° 43° (1970) 98° (1955) 0.11" 0"
Aug 21 59° 83° 40° (2004) 95° (1976) 0.11" 0"
Aug 22 59° 83° 48° (1965) 95° (1968) 0.1" 0"
Aug 23 59° 83° 43° (1984) 95° (1968) 0.11" 0"
Aug 24 59° 83° 47° (1977) 96° (1955) 0.11" 0"
Aug 25 58° 83° 43° (1964) 99° (1955) 0.11" 0"
Aug 26 58° 83° 45° (1985) 101° (1955) 0.11" 0"
Aug 27 58° 82° 40° (1967) 100° (1955) 0.1" 0"
Aug 28 58° 82° 37° (1986) 98° (1955) 0.11" 0"
Aug 29 57° 82° 42° (1988) 97° (1970) 0.11" 0"
Aug 30 57° 82° 46° (1988) 96° (1970) 0.11" 0"
Aug 31 57° 82° 38° (2009) 95° (2000) 0.11" 0"
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