Cooper, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -25° (1970) 69° (2002) 0.96" 5.8"
February 14° 34° -27° (1996) 68° (2000) 0.96" 7.1"
March 25° 46° -26° (1962) 91° (1986) 2.16" 6.1"
April 36° 61° 8° (1982) 96° (1980) 3.19" 1.7"
May 48° 72° 19° (1961) 98° (1967) 4.14" 0"
June 58° 82° 39° (1969) 104° (1988) 4.67" 0"
July 63° 86° 44° (1972) 107° (1974) 4.1" 0"
August 60° 83° 39° (1950) 106° (1988) 3.84" 0"
September 51° 77° 29° (1995) 101° (2000) 2.95" 0"
October 39° 65° 12° (1976) 96° (1976) 2.41" 0.1"
November 26° 46° -9° (1991) 81° (2006) 1.92" 2.4"
December 14° 31° -24° (1989) 68° (1998) 1.18" 6.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 42° 67° 26° (1966) 92° (1987) 0.12" NA
May 2 42° 68° 19° (1961) 90° (1968) 0.12" NA
May 3 43° 68° 28° (1967) 89° (1968) 0.12" NA
May 4 43° 68° 28° (2005) 89° (1952) 0.12" NA
May 5 44° 69° 29° (1954) 89° (1962) 0.12" NA
May 6 44° 69° 30° (1992) 86° (1955) 0.12" NA
May 7 45° 69° 28° (1976) 88° (1962) 0.12" NA
May 8 45° 70° 29° (1980) 90° (1963) 0.13" NA
May 9 46° 70° 32° (1980) 90° (1963) 0.13" NA
May 10 46° 70° 30° (1981) 90° (1987) 0.13" NA
May 11 46° 71° 30° (1981) 88° (1958) 0.13" NA
May 12 47° 71° 29° (1979) 95° (2000) 0.13" NA
May 13 47° 71° 29° (1997) 89° (1987) 0.13" NA
May 14 48° 72° 37° (2004) 94° (1988) 0.13" NA
May 15 48° 72° 31° (1983) 90° (2001) 0.13" NA
May 16 49° 72° 35° (1956) 91° (2001) 0.13" NA
May 17 49° 73° 36° (1976) 91° (1987) 0.13" NA
May 18 49° 73° 37° (1976) 92° (1977) 0.13" NA
May 19 50° 73° 34° (1981) 93° (1967) 0.14" NA
May 20 50° 74° 33° (1954) 93° (1988) 0.14" NA
May 21 50° 74° 36° (1979) 89° (1964) 0.14" NA
May 22 51° 75° 29° (1963) 91° (1975) 0.14" NA
May 23 51° 75° 31° (1963) 89° (1977) 0.14" NA
May 24 52° 75° 39° (1949) 89° (1989) 0.14" NA
May 25 52° 76° 37° (1979) 94° (1967) 0.14" NA
May 26 52° 76° 36° (1961) 98° (1967) 0.14" NA
May 27 53° 76° 35° (1992) 92° (1967) 0.15" NA
May 28 53° 76° 36° (1965) 91° (1991) 0.15" NA
May 29 53° 77° 37° (1952) 92° (1998) 0.15" NA
May 30 54° 77° 41° (1966) 90° (1988) 0.15" NA
May 31 54° 77° 40° (1972) 91° (1988) 0.15" NA
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