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
Jan 1 27° -25° (1974) 52° (1998) 0.02" NA
Jan 2 27° -16° (1961) 53° (1964) 0.02" NA
Jan 3 27° -23° (1968) 51° (2004) 0.02" NA
Jan 4 27° -23° (1969) 49° (1964) 0.02" NA
Jan 5 27° -23° (1960) 47° (1958) 0.02" NA
Jan 6 27° -24° (1988) 47° (1990) 0.02" NA
Jan 7 27° -24° (1968) 57° (2003) 0.02" NA
Jan 8 27° -18° (1967) 60° (2002) 0.03" NA
Jan 9 26° -27° (1974) 55° (1958) 0.03" NA
Jan 10 26° -23° (1982) 55° (1990) 0.03" NA
Jan 11 26° -17° (1977) 51° (1990) 0.03" NA
Jan 12 26° -26° (1974) 52° (1987) 0.03" NA
Jan 13 27° -16° (1964) 56° (1987) 0.03" NA
Jan 14 27° -25° (1972) 52° (1996) 0.03" NA
Jan 15 27° -30° (1972) 55° (2006) 0.03" NA
Jan 16 27° -24° (1965) 50° (2006) 0.03" NA
Jan 17 27° -18° (1978) 48° (1989) 0.03" NA
Jan 18 27° -27° (1967) 46° (1964) 0.03" NA
Jan 19 27° -30° (1970) 46° (1981) 0.03" NA
Jan 20 27° -24° (1962) 48° (1964) 0.03" NA
Jan 21 27° -27° (1970) 54° (1964) 0.02" NA
Jan 22 27° -15° (1963) 55° (1989) 0.02" NA
Jan 23 28° -22° (1963) 55° (1981) 0.02" NA
Jan 24 28° -21° (1961) 65° (1981) 0.02" NA
Jan 25 28° -15° (1961) 62° (1981) 0.02" NA
Jan 26 28° -19° (1988) 68° (2002) 0.02" NA
Jan 27 28° -21° (1963) 60° (2002) 0.02" NA
Jan 28 29° -19° (1972) 54° (2006) 0.02" NA
Jan 29 29° -29° (1966) 47° (1976) 0.02" NA
Jan 30 29° -23° (1966) 55° (1964) 0.02" NA
Jan 31 29° -23° (1994) 55° (1989) 0.02" NA
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