Calmar, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -43° (1951) 60° (2002) 0.89" 9.4"
February 13° 33° -41° (1996) 62° (1981) 0.93" 8.1"
March 25° 46° -33° (1962) 84° (1986) 1.91" 5.4"
April 36° 61° 5° (1982) 93° (1980) 3.61" 1.1"
May 47° 72° 20° (2005) 93° (2006) 4.19" 0"
June 57° 81° 33° (1993) 101° (1988) 5.16" 0"
July 61° 84° 41° (1967) 102° (1995) 4.27" 0"
August 60° 82° 35° (1958) 104° (1955) 4.74" 0"
September 50° 75° 21° (1949) 100° (1955) 3.33" 0"
October 39° 63° 10° (1952) 94° (1963) 2.36" 0.1"
November 27° 46° -16° (1977) 78° (1999) 2.11" 3.3"
December 13° 30° -36° (1950) 64° (2001) 1.22" 11.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 42° 68° 26° (1963) 90° (1992) 0.13" 0"
May 2 42° 68° 28° (1961) 89° (1992) 0.13" 0"
May 3 43° 68° 20° (2005) 92° (1949) 0.13" 0"
May 4 43° 69° 24° (2005) 90° (1949) 0.13" 0"
May 5 43° 69° 27° (1958) 92° (1949) 0.13" 0"
May 6 44° 69° 25° (1989) 88° (1949) 0.13" 0"
May 7 44° 69° 28° (1954) 86° (2000) 0.12" 0"
May 8 44° 70° 32° (1959) 85° (1963) 0.13" 0"
May 9 45° 70° 27° (1966) 88° (1987) 0.13" 0"
May 10 45° 70° 22° (1966) 88° (1987) 0.13" 0"
May 11 45° 71° 30° (1951) 83° (1992) 0.13" 0"
May 12 46° 71° 28° (1969) 86° (1956) 0.13" 0"
May 13 46° 71° 28° (1996) 89° (1949) 0.13" 0"
May 14 46° 71° 31° (2000) 90° (1998) 0.13" 0"
May 15 47° 72° 31° (2004) 91° (2001) 0.12" 0"
May 16 47° 72° 28° (1997) 90° (2001) 0.13" 0"
May 17 47° 72° 35° (1968) 90° (1987) 0.14" 0"
May 18 47° 72° 31° (2002) 91° (1967) 0.13" 0"
May 19 48° 73° 30° (2002) 91° (1998) 0.14" 0"
May 20 48° 73° 30° (1954) 93° (1948) 0.14" 0"
May 21 48° 73° 30° (1997) 93° (1948) 0.14" 0"
May 22 49° 74° 31° (1967) 90° (1956) 0.14" 0"
May 23 49° 74° 27° (1963) 88° (1955) 0.14" 0"
May 24 49° 74° 36° (1949) 92° (2010) 0.14" 0"
May 25 50° 74° 32° (1974) 88° (1978) 0.15" 0"
May 26 50° 75° 32° (1961) 93° (1967) 0.14" 0"
May 27 50° 75° 31° (1971) 92° (1967) 0.15" 0"
May 28 51° 75° 35° (1971) 91° (1988) 0.14" 0"
May 29 51° 76° 30° (1965) 93° (2006) 0.14" 0"
May 30 51° 76° 37° (1965) 93° (2006) 0.15" 0"
May 31 52° 76° 34° (1966) 91° (1988) 0.15" 0"
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