Plano, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 30° -28° (1974) 67° (2003) 0.9" NA
February 16° 36° -26° (1996) 72° (1995) 1.08" NA
March 28° 49° -11° (1978) 87° (1986) 2.19" NA
April 40° 61° 14° (1982) 89° (1989) 3.46" NA
May 50° 72° 28° (1989) 94° (1985) 4.65" NA
June 60° 81° 41° (1989) 103° (1988) 4.6" NA
July 65° 86° 43° (1971) 105° (1983) 5.13" NA
August 62° 84° 43° (1971) 104° (1984) 3.95" NA
September 53° 76° 30° (1984) 98° (2000) 4.08" NA
October 41° 65° 16° (1972) 92° (1997) 2.93" NA
November 28° 48° -8° (1991) 79° (1999) 2.35" NA
December 16° 34° -26° (1989) 70° (1998) 1.33" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 22° 40° 3° (1976) 65° (1970) 0.06" NA
Dec 2 21° 40° -1° (1985) 64° (1995) 0.06" NA
Dec 3 21° 39° -4° (1985) 67° (1973) 0.06" NA
Dec 4 21° 39° 1° (1991) 65° (1998) 0.06" NA
Dec 5 20° 38° 2° (1991) 70° (1998) 0.06" NA
Dec 6 20° 38° -3° (1972) 68° (2001) 0.05" NA
Dec 7 19° 37° -8° (1976) 57° (2001) 0.05" NA
Dec 8 19° 37° -5° (1976) 59° (1991) 0.05" NA
Dec 9 19° 37° -4° (1976) 61° (1991) 0.05" NA
Dec 10 18° 36° -6° (1972) 59° (1990) 0.05" NA
Dec 11 18° 36° -17° (1972) 60° (1979) 0.05" NA
Dec 12 17° 36° -16° (1989) 58° (1990) 0.05" NA
Dec 13 17° 35° -14° (1989) 61° (1991) 0.04" NA
Dec 14 17° 35° -13° (1985) 62° (1975) 0.04" NA
Dec 15 16° 34° -14° (1989) 59° (2006) 0.04" NA
Dec 16 16° 34° -13° (1989) 61° (2002) 0.04" NA
Dec 17 16° 34° -4° (1989) 53° (1977) 0.04" NA
Dec 18 15° 33° -18° (1985) 61° (2006) 0.04" NA
Dec 19 15° 33° -18° (1983) 64° (1976) 0.04" NA
Dec 20 15° 33° -18° (1983) 56° (1988) 0.04" NA
Dec 21 14° 33° -19° (1989) 51° (1979) 0.04" NA
Dec 22 14° 32° -22° (1989) 58° (1979) 0.04" NA
Dec 23 14° 32° -26° (1989) 54° (1974) 0.04" NA
Dec 24 14° 32° -24° (1989) 50° (1982) 0.03" NA
Dec 25 13° 32° -19° (1983) 56° (1982) 0.03" NA
Dec 26 13° 31° -11° (2000) 51° (2006) 0.03" NA
Dec 27 13° 31° -8° (2000) 51° (1994) 0.03" NA
Dec 28 12° 31° -7° (2000) 63° (1984) 0.03" NA
Dec 29 12° 31° -8° (1983) 66° (1984) 0.03" NA
Dec 30 12° 30° -8° (1990) 58° (1999) 0.03" NA
Dec 31 12° 30° -13° (1976) 56° (2002) 0.03" NA
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