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
Feb 1 30° -25° (1979) 54° (1987) 0.02" NA
Feb 2 10° 30° -26° (1996) 52° (1987) 0.02" NA
Feb 3 10° 30° -22° (1989) 59° (2005) 0.02" NA
Feb 4 10° 31° -18° (1979) 66° (2005) 0.02" NA
Feb 5 11° 31° -23° (1979) 67° (2005) 0.02" NA
Feb 6 11° 31° -20° (1982) 55° (1987) 0.02" NA
Feb 7 11° 32° -15° (1979) 65° (1987) 0.02" NA
Feb 8 12° 32° -16° (1971) 57° (1987) 0.02" NA
Feb 9 12° 32° -27° (1994) 60° (1977) 0.02" NA
Feb 10 12° 33° -16° (1994) 60° (1999) 0.02" NA
Feb 11 13° 33° -25° (1988) 63° (1977) 0.02" NA
Feb 12 13° 33° -22° (1988) 59° (1977) 0.02" NA
Feb 13 13° 34° -9° (1958) 60° (1954) 0.02" NA
Feb 14 14° 34° -15° (2007) 64° (1954) 0.02" NA
Feb 15 14° 34° -17° (1958) 54° (1998) 0.02" NA
Feb 16 14° 35° -23° (1979) 64° (1981) 0.02" NA
Feb 17 15° 35° -21° (1979) 68° (1981) 0.02" NA
Feb 18 15° 36° -15° (2006) 67° (1981) 0.03" NA
Feb 19 16° 36° -24° (1959) 66° (1996) 0.03" NA
Feb 20 16° 36° -12° (1959) 63° (1981) 0.03" NA
Feb 21 16° 37° -13° (1963) 62° (1977) 0.03" NA
Feb 22 17° 37° -17° (1962) 63° (2000) 0.03" NA
Feb 23 17° 37° -14° (1989) 67° (2002) 0.03" NA
Feb 24 17° 38° -19° (1993) 63° (1981) 0.03" NA
Feb 25 18° 38° -12° (1965) 61° (1981) 0.03" NA
Feb 26 18° 39° -12° (1993) 61° (1976) 0.04" NA
Feb 27 19° 39° -18° (1962) 60° (1976) 0.04" NA
Feb 28 19° 40° -27° (1962) 63° (2000) 0.04" NA
Feb 29 19° 40° -13° (1960) 65° (2000) 0.04" NA
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