Alton, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -30° (1972) 68° (2002) 0.75" 7"
February 14° 35° -27° (1994) 68° (1981) 0.7" 5.9"
March 25° 47° -19° (1960) 87° (1968) 2.04" 7.9"
April 36° 63° -1° (1975) 95° (2007) 2.83" 2.1"
May 48° 75° 17° (1967) 104° (1967) 3.49" 0"
June 58° 84° 33° (1989) 105° (1988) 4.59" 0"
July 61° 87° 38° (1972) 103° (1988) 3.79" 0"
August 59° 84° 37° (1986) 101° (1988) 3.42" 0"
September 49° 78° 21° (1984) 102° (1976) 2.59" 0"
October 37° 65° 9° (1972) 92° (2006) 2.16" 1.2"
November 24° 44° -20° (1959) 79° (1999) 1.62" 4.5"
December 11° 31° -29° (1989) 66° (1998) 0.81" 7.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 44° 73° 24° (1984) 90° (1953) 0.08" NA
Oct 2 43° 73° 19° (1974) 92° (1953) 0.08" NA
Oct 3 43° 72° 23° (1987) 92° (2006) 0.07" NA
Oct 4 42° 72° 22° (1968) 91° (2006) 0.07" NA
Oct 5 42° 71° 23° (1988) 92° (1963) 0.07" NA
Oct 6 42° 71° 24° (1976) 89° (1963) 0.07" NA
Oct 7 41° 70° 19° (1974) 88° (1980) 0.07" NA
Oct 8 41° 70° 15° (2000) 87° (1980) 0.07" NA
Oct 9 41° 70° 20° (2000) 84° (1980) 0.07" NA
Oct 10 40° 69° 19° (1970) 85° (1962) 0.07" NA
Oct 11 40° 69° 17° (1987) 87° (1956) 0.07" NA
Oct 12 39° 68° 23° (1980) 88° (1975) 0.07" NA
Oct 13 39° 67° 22° (1979) 90° (1975) 0.07" NA
Oct 14 38° 67° 21° (2006) 88° (1975) 0.07" NA
Oct 15 38° 66° 23° (1991) 91° (1958) 0.07" NA
Oct 16 38° 66° 21° (1966) 83° (1961) 0.07" NA
Oct 17 37° 65° 13° (1976) 84° (1961) 0.07" NA
Oct 18 37° 65° 20° (1992) 84° (2003) 0.07" NA
Oct 19 36° 64° 9° (1972) 87° (2003) 0.07" NA
Oct 20 36° 63° 16° (1960) 86° (2003) 0.07" NA
Oct 21 35° 63° 16° (1982) 83° (1978) 0.07" NA
Oct 22 35° 62° 15° (1976) 81° (1991) 0.07" NA
Oct 23 35° 61° 18° (1964) 81° (1989) 0.07" NA
Oct 24 34° 61° 17° (1999) 81° (1989) 0.07" NA
Oct 25 34° 60° 19° (1957) 82° (1992) 0.07" NA
Oct 26 33° 59° 20° (1988) 80° (1955) 0.07" NA
Oct 27 33° 58° 13° (1997) 81° (1983) 0.07" NA
Oct 28 32° 58° 10° (1967) 77° (1983) 0.07" NA
Oct 29 32° 57° 19° (1975) 75° (1990) 0.06" NA
Oct 30 31° 56° 14° (1991) 75° (1965) 0.06" NA
Oct 31 31° 55° 10° (1993) 75° (1968) 0.06" NA
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