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
Sep 1 56° 81° 39° (1949) 100° (2000) 0.11" NA
Sep 2 56° 80° 46° (1952) 95° (1985) 0.11" NA
Sep 3 55° 80° 35° (1974) 101° (2000) 0.11" NA
Sep 4 55° 80° 39° (1974) 97° (2000) 0.11" NA
Sep 5 54° 80° 38° (1962) 94° (1960) 0.11" NA
Sep 6 54° 79° 39° (1962) 96° (1978) 0.11" NA
Sep 7 54° 79° 38° (1986) 99° (1978) 0.11" NA
Sep 8 53° 79° 39° (1986) 97° (1983) 0.1" NA
Sep 9 53° 79° 40° (1995) 99° (1955) 0.1" NA
Sep 10 53° 78° 40° (1959) 94° (1955) 0.1" NA
Sep 11 52° 78° 37° (1959) 95° (2000) 0.1" NA
Sep 12 52° 78° 34° (1955) 98° (2000) 0.1" NA
Sep 13 51° 78° 35° (1953) 93° (1998) 0.1" NA
Sep 14 51° 77° 36° (1996) 93° (2000) 0.1" NA
Sep 15 51° 77° 33° (2007) 97° (1955) 0.1" NA
Sep 16 50° 77° 32° (2007) 96° (1955) 0.1" NA
Sep 17 50° 76° 33° (1980) 94° (1953) 0.1" NA
Sep 18 50° 76° 37° (1981) 95° (2000) 0.1" NA
Sep 19 49° 76° 30° (1991) 95° (1948) 0.09" NA
Sep 20 49° 76° 32° (1962) 91° (1998) 0.09" NA
Sep 21 48° 75° 34° (1982) 89° (1986) 0.09" NA
Sep 22 48° 75° 29° (1995) 88° (1976) 0.09" NA
Sep 23 48° 75° 29° (1983) 84° (2004) 0.09" NA
Sep 24 47° 74° 32° (1965) 88° (2007) 0.09" NA
Sep 25 47° 74° 30° (1975) 89° (1956) 0.09" NA
Sep 26 47° 74° 29° (1984) 91° (1956) 0.09" NA
Sep 27 46° 73° 35° (1953) 91° (1954) 0.09" NA
Sep 28 46° 73° 29° (1961) 98° (1953) 0.09" NA
Sep 29 45° 72° 29° (1949) 92° (1981) 0.09" NA
Sep 30 45° 72° 31° (1956) 90° (1981) 0.09" NA
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