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) 0.96" 8.8"
February 12° 31° -30° (1996) 66° (2000) 1.24" 6.7"
March 24° 44° -11° (2002) 86° (1986) 1.94" 4"
April 36° 59° -1° (1982) 90° (2007) 3.56" 1.8"
May 48° 70° 20° (2005) 93° (1991) 4.27" 0.1"
June 58° 80° 36° (1993) 100° (1988) 5.54" 0"
July 62° 83° 41° (1984) 102° (1988) 4.93" 0"
August 59° 81° 36° (2004) 101° (1988) 4.88" 0"
September 50° 74° 26° (1984) 96° (1999) 2.99" 0"
October 38° 61° 15° (1997) 94° (1997) 2.52" 0.4"
November 26° 45° -6° (1986) 79° (1999) 2.3" 2.8"
December 13° 30° -29° (2000) 67° (1998) 1.45" 8.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 61° 82° 46° (1985) 100° (1988) 0.15" 0"
Aug 2 61° 82° 47° (1985) 99° (1988) 0.14" 0"
Aug 3 61° 82° 48° (1986) 98° (1988) 0.14" 0"
Aug 4 61° 82° 47° (1992) 95° (1988) 0.14" 0"
Aug 5 61° 82° 45° (1994) 90° (1983) 0.14" 0"
Aug 6 60° 82° 47° (2004) 92° (1983) 0.15" 0"
Aug 7 60° 82° 44° (1989) 94° (1983) 0.16" 0"
Aug 8 60° 82° 44° (1989) 95° (1983) 0.15" 0"
Aug 9 60° 82° 50° (1982) 93° (2001) 0.16" 0"
Aug 10 60° 82° 48° (1982) 95° (2005) 0.16" 0"
Aug 11 60° 82° 42° (1982) 94° (1988) 0.16" 0"
Aug 12 60° 82° 47° (1982) 96° (1995) 0.15" 0"
Aug 13 60° 81° 45° (2004) 93° (1995) 0.16" 0"
Aug 14 60° 81° 40° (2004) 95° (1988) 0.16" 0"
Aug 15 60° 81° 41° (2004) 100° (1988) 0.17" 0"
Aug 16 60° 81° 44° (1992) 101° (1988) 0.18" 0"
Aug 17 60° 81° 46° (1981) 101° (1988) 0.18" 0"
Aug 18 59° 81° 45° (1985) 94° (1983) 0.18" 0"
Aug 19 59° 81° 40° (1985) 98° (1983) 0.17" 0"
Aug 20 59° 81° 38° (1985) 97° (1983) 0.17" 0"
Aug 21 59° 81° 46° (1981) 97° (2003) 0.16" 0"
Aug 22 59° 81° 36° (2004) 87° (1989) 0.16" 0"
Aug 23 59° 81° 45° (1984) 89° (1995) 0.16" 0"
Aug 24 58° 80° 45° (1987) 89° (1991) 0.15" 0"
Aug 25 58° 80° 46° (1982) 95° (2003) 0.16" 0"
Aug 26 58° 80° 48° (1988) 96° (2003) 0.16" 0"
Aug 27 58° 80° 44° (1985) 98° (2003) 0.16" 0"
Aug 28 57° 80° 36° (1986) 95° (1984) 0.15" 0"
Aug 29 57° 80° 42° (1986) 92° (1984) 0.15" 0"
Aug 30 57° 79° 50° (1992) 92° (1984) 0.15" 0"
Aug 31 56° 79° 42° (1984) 97° (2000) 0.15" 0"
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