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
Jan 1 27° -10° (1982) 43° (1998) 0.03" 0.3"
Jan 2 26° -13° (1985) 47° (2000) 0.04" 0.3"
Jan 3 26° -17° (1991) 48° (1998) 0.03" 0.3"
Jan 4 26° -17° (1999) 47° (1997) 0.03" 0.3"
Jan 5 26° -21° (1999) 40° (1984) 0.04" 0.3"
Jan 6 26° -22° (1988) 41° (2001) 0.03" 0.2"
Jan 7 26° -22° (1986) 40° (2000) 0.03" 0.3"
Jan 8 26° -13° (1982) 55° (2003) 0.03" 0.3"
Jan 9 26° -19° (1982) 57° (2003) 0.03" 0.3"
Jan 10 26° -26° (1982) 49° (2002) 0.03" 0.2"
Jan 11 26° -10° (1982) 48° (1992) 0.03" 0.3"
Jan 12 26° -13° (1997) 50° (2002) 0.03" 0.3"
Jan 13 26° -12° (1988) 51° (1996) 0.03" 0.3"
Jan 14 26° -18° (1982) 44° (2002) 0.03" 0.3"
Jan 15 26° -27° (2009) 47° (1990) 0.03" 0.3"
Jan 16 26° -31° (2009) 49° (1990) 0.03" 0.3"
Jan 17 26° -29° (2009) 50° (1990) 0.03" 0.3"
Jan 18 26° -25° (1994) 52° (1996) 0.03" 0.3"
Jan 19 26° -25° (1994) 45° (2006) 0.03" 0.2"
Jan 20 26° -26° (1985) 50° (2006) 0.03" 0.3"
Jan 21 26° -22° (1984) 46° (1989) 0.03" 0.3"
Jan 22 26° -18° (1991) 48° (1997) 0.03" 0.3"
Jan 23 26° -11° (1987) 57° (2002) 0.03" 0.2"
Jan 24 26° -19° (2008) 40° (2002) 0.03" 0.3"
Jan 25 26° -21° (2008) 42° (2002) 0.03" 0.3"
Jan 26 27° -19° (1982) 59° (2002) 0.03" 0.3"
Jan 27 27° -17° (1986) 61° (2002) 0.03" 0.3"
Jan 28 27° -15° (1997) 58° (2002) 0.03" 0.3"
Jan 29 27° -9° (2004) 44° (2002) 0.03" 0.2"
Jan 30 27° -18° (1991) 49° (1988) 0.04" 0.3"
Jan 31 27° -24° (1994) 57° (1989) 0.03" 0.3"
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