Winthrop, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -26° (1985) 61° (2002) 1.03" NA
February 16° 32° -30° (1996) 66° (2000) 1.15" NA
March 27° 45° -11° (2002) 86° (1986) 1.96" NA
April 38° 60° -1° (1982) 90° (2007) 3.26" NA
May 50° 72° 20° (2005) 93° (1991) 3.84" NA
June 60° 82° 36° (1993) 100° (1988) 5.09" NA
July 63° 85° 41° (1984) 102° (1988) 4.09" NA
August 61° 82° 36° (2004) 101° (1988) 4.89" NA
September 52° 75° 26° (1984) 96° (1999) 3.24" NA
October 41° 63° 15° (1997) 94° (1997) 2.47" NA
November 28° 45° -6° (1986) 79° (1999) 2.41" NA
December 15° 31° -29° (2000) 67° (1998) 1.33" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 21° 38° 3° (1995) 64° (1992) 0.05" NA
Mar 2 21° 38° 0° (1995) 62° (1983) 0.05" NA
Mar 3 22° 39° -3° (1996) 67° (1983) 0.05" NA
Mar 4 22° 39° -11° (2002) 69° (1983) 0.05" NA
Mar 5 22° 40° -7° (2002) 69° (2000) 0.05" NA
Mar 6 23° 40° 0° (1984) 71° (2000) 0.05" NA
Mar 7 23° 41° -8° (1996) 79° (2000) 0.05" NA
Mar 8 24° 41° -7° (1996) 75° (2000) 0.05" NA
Mar 9 24° 42° -8° (1984) 68° (2000) 0.05" NA
Mar 10 24° 42° -7° (1984) 59° (1985) 0.05" NA
Mar 11 25° 43° -4° (2003) 66° (1990) 0.05" NA
Mar 12 25° 43° -2° (1992) 73° (1990) 0.06" NA
Mar 13 25° 43° 0° (1993) 69° (1990) 0.06" NA
Mar 14 26° 44° -5° (1993) 73° (2007) 0.06" NA
Mar 15 26° 44° 4° (1997) 71° (1995) 0.06" NA
Mar 16 27° 45° 11° (1997) 72° (1995) 0.06" NA
Mar 17 27° 45° 5° (1993) 71° (2003) 0.06" NA
Mar 18 27° 46° 9° (1989) 75° (2003) 0.06" NA
Mar 19 28° 46° 14° (1989) 58° (1985) 0.06" NA
Mar 20 28° 47° 12° (1986) 64° (1991) 0.07" NA
Mar 21 28° 47° 11° (1989) 65° (1990) 0.07" NA
Mar 22 29° 48° 10° (1983) 72° (1994) 0.07" NA
Mar 23 29° 49° 10° (1983) 70° (1994) 0.07" NA
Mar 24 29° 49° 14° (2001) 69° (2003) 0.07" NA
Mar 25 30° 50° 14° (1996) 71° (1986) 0.08" NA
Mar 26 30° 50° 5° (1996) 80° (2007) 0.08" NA
Mar 27 31° 51° 8° (1992) 81° (2007) 0.08" NA
Mar 28 31° 51° 18° (1992) 78° (1986) 0.08" NA
Mar 29 31° 52° 20° (1994) 86° (1986) 0.08" NA
Mar 30 32° 52° 13° (1987) 73° (2005) 0.09" NA
Mar 31 32° 53° 16° (1987) 81° (1986) 0.09" NA
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