Cooper, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 29° -25° (1970) 69° (2002) 0.93" 6.6"
February 15° 34° -27° (1996) 68° (2000) 1.1" 7.4"
March 25° 47° -26° (1962) 91° (1986) 2.05" 4.9"
April 36° 62° 8° (1982) 96° (1980) 3.37" 1.4"
May 49° 72° 19° (1961) 98° (1967) 4.54" 0"
June 59° 81° 39° (1969) 104° (1988) 4.99" 0"
July 63° 85° 44° (1972) 107° (1974) 4.61" 0"
August 61° 83° 39° (1950) 106° (1988) 3.95" 0"
September 51° 76° 29° (1995) 101° (2000) 2.98" 0"
October 39° 63° 12° (1976) 96° (1976) 2.44" 0.4"
November 27° 46° -9° (1991) 81° (2006) 1.88" 2.2"
December 14° 32° -24° (1989) 68° (1998) 1.31" 7.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 19° 37° 1° (1960) 63° (1970) 0.05" 0.2"
Dec 2 18° 36° -3° (1985) 68° (1998) 0.06" 0.3"
Dec 3 18° 36° -7° (1985) 63° (1962) 0.05" 0.2"
Dec 4 18° 35° -2° (1991) 62° (1998) 0.04" 0.2"
Dec 5 17° 35° -2° (1964) 67° (1998) 0.05" 0.3"
Dec 6 17° 34° -10° (1972) 65° (1963) 0.05" 0.2"
Dec 7 16° 34° -15° (1976) 64° (1984) 0.05" 0.3"
Dec 8 16° 33° -16° (1976) 57° (1984) 0.05" 0.2"
Dec 9 16° 33° -14° (1958) 54° (1979) 0.04" 0.3"
Dec 10 15° 33° -12° (1958) 63° (1979) 0.05" 0.2"
Dec 11 15° 32° -10° (1994) 63° (1965) 0.05" 0.3"
Dec 12 15° 32° -14° (1962) 65° (1968) 0.05" 0.3"
Dec 13 15° 32° -15° (1985) 55° (1998) 0.04" 0.2"
Dec 14 14° 31° -13° (1972) 57° (1975) 0.05" 0.3"
Dec 15 14° 31° -15° (1989) 59° (2006) 0.04" 0.2"
Dec 16 14° 31° -13° (1951) 60° (2002) 0.04" 0.3"
Dec 17 14° 31° -11° (1964) 57° (1980) 0.04" 0.2"
Dec 18 13° 30° -16° (1983) 66° (1976) 0.04" 0.3"
Dec 19 13° 30° -20° (1983) 58° (1979) 0.04" 0.2"
Dec 20 13° 30° -18° (1983) 58° (1967) 0.04" 0.3"
Dec 21 13° 30° -22° (1989) 57° (1979) 0.04" 0.3"
Dec 22 13° 30° -24° (1989) 55° (1965) 0.04" 0.2"
Dec 23 12° 29° -24° (1989) 60° (1964) 0.04" 0.3"
Dec 24 12° 29° -21° (1983) 52° (1967) 0.04" 0.2"
Dec 25 12° 29° -16° (1983) 53° (1954) 0.04" 0.2"
Dec 26 12° 29° -14° (1962) 59° (1959) 0.03" 0.2"
Dec 27 12° 29° -11° (1951) 55° (1976) 0.03" 0.2"
Dec 28 12° 29° -9° (1961) 66° (1984) 0.04" 0.3"
Dec 29 12° 29° -7° (1990) 62° (2002) 0.03" 0.2"
Dec 30 11° 29° -12° (1976) 60° (1965) 0.03" 0.2"
Dec 31 11° 29° -17° (1976) 62° (2004) 0.03" 0.2"
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