Anamosa, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -30° (1999) 66° (1989) 1.29" 8.2"
February 14° 33° -37° (1996) 67° (2000) 1.42" 3.8"
March 25° 46° -22° (1962) 87° (1986) 2.18" 2.9"
April 35° 61° 0° (1982) 90° (1987) 3.65" 0.9"
May 46° 71° 22° (2005) 93° (1985) 4.3" 0"
June 56° 81° 33° (1993) 100° (1988) 4.87" 0"
July 60° 84° 39° (1972) 102° (1988) 4.91" 0"
August 58° 82° 37° (1986) 102° (1987) 4.73" 0"
September 49° 75° 23° (1984) 99° (1955) 3.41" 0"
October 37° 62° 10° (1952) 93° (1997) 2.93" 0.1"
November 27° 46° -14° (1977) 78° (2000) 2.49" 0.9"
December 14° 32° -27° (2000) 71° (1998) 1.72" 5.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 41° 67° 24° (1963) 88° (2007) 0.14" 0"
May 2 41° 67° 27° (1978) 87° (1968) 0.15" 0"
May 3 41° 67° 22° (2005) 88° (1949) 0.15" 0"
May 4 42° 68° 25° (2004) 88° (1952) 0.15" 0"
May 5 42° 68° 30° (1954) 91° (1949) 0.14" 0"
May 6 42° 68° 26° (1954) 83° (1964) 0.14" 0"
May 7 43° 69° 26° (1967) 85° (1965) 0.14" 0"
May 8 43° 69° 27° (1976) 86° (1963) 0.14" 0"
May 9 43° 69° 27° (1966) 88° (1963) 0.13" 0"
May 10 44° 70° 26° (1966) 88° (1987) 0.14" 0"
May 11 44° 70° 30° (1966) 89° (1987) 0.13" 0"
May 12 44° 70° 30° (1981) 87° (1991) 0.14" 0"
May 13 45° 71° 29° (1971) 88° (1991) 0.14" 0"
May 14 45° 71° 28° (1966) 90° (1998) 0.14" 0"
May 15 45° 71° 29° (1973) 89° (1977) 0.14" 0"
May 16 46° 71° 28° (1997) 86° (1962) 0.13" 0"
May 17 46° 72° 29° (1973) 89° (1971) 0.14" 0"
May 18 46° 72° 29° (2002) 91° (1987) 0.14" 0"
May 19 47° 72° 32° (2002) 92° (1975) 0.14" 0"
May 20 47° 73° 28° (1954) 92° (1975) 0.13" 0"
May 21 47° 73° 32° (1997) 90° (1972) 0.14" 0"
May 22 48° 73° 28° (1963) 91° (1972) 0.14" 0"
May 23 48° 74° 26° (1963) 89° (1972) 0.13" 0"
May 24 48° 74° 31° (1979) 88° (1977) 0.14" 0"
May 25 49° 74° 32° (1979) 92° (2010) 0.13" 0"
May 26 49° 75° 32° (1961) 93° (1985) 0.13" 0"
May 27 49° 75° 30° (1992) 91° (1978) 0.14" 0"
May 28 49° 75° 32° (1971) 91° (1991) 0.13" 0"
May 29 50° 76° 29° (1965) 92° (2006) 0.14" 0"
May 30 50° 76° 35° (1984) 91° (2006) 0.14" 0"
May 31 51° 76° 34° (1972) 91° (1988) 0.15" 0"
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