Altoona, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 31° -25° (1996) 66° (2003) 0.91" 6.6"
February 15° 36° -34° (1996) 69° (1990) 1.01" 7.5"
March 26° 48° -23° (1962) 90° (1986) 2.17" 4.8"
April 38° 62° 8° (1982) 93° (1980) 3.71" 0.9"
May 50° 73° 26° (2005) 98° (1967) 4.92" 0"
June 60° 82° 40° (1982) 102° (1988) 5.1" 0"
July 64° 87° 43° (1972) 103° (1999) 5.07" 0"
August 61° 85° 35° (1999) 106° (1983) 4.39" 0"
September 52° 77° 22° (1999) 99° (1955) 3.1" 0"
October 39° 64° 12° (1999) 94° (1963) 2.51" 0.1"
November 28° 48° -9° (1999) 83° (1968) 2.02" 1.4"
December 15° 34° -25° (1989) 70° (1984) 1.23" 6.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 32° 56° 21° (1975) 81° (1978) 0.09" 0.1"
Apr 2 33° 56° 11° (1970) 87° (2003) 0.1" 0"
Apr 3 33° 57° 9° (1975) 82° (2003) 0.09" 0.1"
Apr 4 33° 57° 14° (2002) 82° (1988) 0.1" 0.1"
Apr 5 34° 58° 16° (1995) 81° (2005) 0.09" 0"
Apr 6 34° 58° 8° (1982) 85° (2000) 0.11" 0.1"
Apr 7 34° 59° 16° (2007) 88° (1991) 0.1" 0"
Apr 8 35° 59° 16° (2007) 80° (1991) 0.11" 0.1"
Apr 9 35° 60° 16° (1982) 79° (2001) 0.11" 0"
Apr 10 36° 60° 17° (1997) 86° (1977) 0.1" 0.1"
Apr 11 36° 61° 21° (1957) 81° (2005) 0.11" 0"
Apr 12 36° 61° 18° (1957) 86° (1968) 0.11" 0.1"
Apr 13 37° 61° 21° (1957) 82° (1977) 0.12" 0"
Apr 14 37° 62° 22° (1957) 89° (2006) 0.12" 0"
Apr 15 37° 62° 21° (1962) 87° (2003) 0.12" 0.1"
Apr 16 38° 63° 22° (1961) 89° (1964) 0.13" 0"
Apr 17 38° 63° 24° (1951) 89° (1964) 0.14" 0"
Apr 18 39° 64° 19° (1983) 90° (1985) 0.13" 0"
Apr 19 39° 64° 24° (1999) 90° (1994) 0.13" 0.1"
Apr 20 39° 64° 24° (1953) 86° (1980) 0.14" 0"
Apr 21 40° 65° 21° (1966) 92° (1980) 0.14" 0"
Apr 22 40° 65° 28° (1982) 93° (1980) 0.14" 0"
Apr 23 41° 66° 23° (1956) 84° (1960) 0.15" 0"
Apr 24 41° 66° 21° (1956) 88° (1989) 0.14" 0"
Apr 25 42° 66° 29° (1997) 86° (2009) 0.15" 0"
Apr 26 42° 67° 31° (1995) 87° (1981) 0.14" 0"
Apr 27 42° 67° 31° (1953) 88° (1981) 0.15" 0"
Apr 28 43° 67° 29° (1996) 86° (1977) 0.14" 0"
Apr 29 43° 68° 26° (1958) 91° (1970) 0.16" 0"
Apr 30 44° 68° 29° (1956) 89° (2007) 0.15" 0"
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