Anamosa, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -30° (1999) 66° (1989) 1.17" NA
February 12° 33° -37° (1996) 67° (2000) 1.19" NA
March 24° 45° -22° (1962) 87° (1986) 2.36" NA
April 36° 60° 0° (1982) 90° (1987) 3.51" NA
May 47° 71° 22° (2005) 93° (1985) 4.13" NA
June 57° 80° 33° (1993) 100° (1988) 4.36" NA
July 61° 84° 39° (1972) 102° (1988) 4.19" NA
August 59° 82° 37° (1986) 102° (1987) 4.5" NA
September 49° 74° 23° (1984) 99° (1955) 3.36" NA
October 38° 62° 10° (1952) 93° (1997) 2.54" NA
November 25° 45° -14° (1977) 78° (2000) 2.54" NA
December 14° 32° -27° (2000) 71° (1998) 1.48" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 41° 66° 24° (1963) 88° (2007) 0.13" NA
May 2 42° 66° 27° (1978) 87° (1968) 0.13" NA
May 3 42° 66° 22° (2005) 88° (1949) 0.13" NA
May 4 42° 67° 25° (2004) 88° (1952) 0.13" NA
May 5 43° 67° 30° (1954) 91° (1949) 0.13" NA
May 6 43° 67° 26° (1954) 83° (1964) 0.13" NA
May 7 43° 68° 26° (1967) 85° (1965) 0.13" NA
May 8 44° 68° 27° (1976) 86° (1963) 0.13" NA
May 9 44° 68° 27° (1966) 88° (1963) 0.13" NA
May 10 44° 69° 26° (1966) 88° (1987) 0.13" NA
May 11 45° 69° 30° (1966) 89° (1987) 0.13" NA
May 12 45° 70° 30° (1981) 87° (1991) 0.13" NA
May 13 46° 70° 29° (1971) 88° (1991) 0.13" NA
May 14 46° 70° 28° (1966) 90° (1998) 0.13" NA
May 15 46° 71° 29° (1973) 89° (1977) 0.13" NA
May 16 47° 71° 28° (1997) 86° (1962) 0.13" NA
May 17 47° 71° 29° (1973) 89° (1971) 0.13" NA
May 18 47° 72° 29° (2002) 91° (1987) 0.13" NA
May 19 48° 72° 32° (2002) 92° (1975) 0.13" NA
May 20 48° 72° 28° (1954) 92° (1975) 0.13" NA
May 21 48° 73° 32° (1997) 90° (1972) 0.13" NA
May 22 49° 73° 28° (1963) 91° (1972) 0.14" NA
May 23 49° 73° 26° (1963) 89° (1972) 0.14" NA
May 24 49° 74° 31° (1979) 88° (1977) 0.14" NA
May 25 50° 74° 32° (1979) 90° (1967) 0.14" NA
May 26 50° 74° 32° (1961) 93° (1985) 0.14" NA
May 27 51° 75° 30° (1992) 91° (1978) 0.14" NA
May 28 51° 75° 32° (1971) 91° (1991) 0.14" NA
May 29 51° 75° 29° (1965) 92° (2006) 0.14" NA
May 30 52° 76° 35° (1984) 91° (2006) 0.14" NA
May 31 52° 76° 34° (1972) 91° (1988) 0.14" NA
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