Quincy, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -7° -29.4° (1979) 21.1° (2004) 1.48" NA
February -5° -27.2° (1979) 23.3° (1996) 1.93" NA
March 11° -24.4° (1978) 29.4° (1986) 2.63" NA
April 18° -8.3° (1982) 33.3° (1986) 3.71" NA
May 12° 23° 0.6° (2005) 33.3° (2006) 4.59" NA
June 17° 28° 7.2° (1993) 38.9° (1988) 3.86" NA
July 20° 31° 11.1° (1983) 40.6° (2005) 4.25" NA
August 19° 30° 6.7° (1974) 40.6° (2003) 3.49" NA
September 14° 26° 0° (1983) 36.7° (2000) 3.15" NA
October 19° -5.6° (1981) 33.9° (1997) 2.83" NA
November 11° -17.8° (1953) 28.3° (1987) 2.77" NA
December -5° -27.8° (1983) 21.7° (1984) 2.1" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 -7° -19° (1999) 17° (2005) 0.06" NA
Jan 2 -7° -23° (1979) 14.4° (2006) 0.06" NA
Jan 3 -7° -23° (1979) 21° (2004) 0.05" NA
Jan 4 -7° -23° (1979) 19° (1998) 0.05" NA
Jan 5 -7° -29° (1999) 19° (1997) 0.06" NA
Jan 6 -7° -28° (1999) 14° (2008) 0.05" NA
Jan 7 -7° -21° (1979) 19° (2008) 0.05" NA
Jan 8 -7° -21° (1979) 21° (2008) 0.05" NA
Jan 9 -7° -21° (1979) 16° (2003) 0.05" NA
Jan 10 -7° -29° (1982) 11° (2002) 0.05" NA
Jan 11 -7° -29° (1982) 13° (1980) 0.04" NA
Jan 12 -7° -21° (1982) 13° (1986) 0.05" NA
Jan 13 -7° -23° (1982) 18° (2005) 0.04" NA
Jan 14 -7° -21° (1979) 14° (1996) 0.04" NA
Jan 15 -7° -29° (1979) 14° (1996) 0.04" NA
Jan 16 -7° -24° (1982) 16° (2000) 0.05" NA
Jan 17 -7° -24° (1982) 18° (1986) 0.04" NA
Jan 18 -7° -23° (1997) 20° (1996) 0.05" NA
Jan 19 -7° -21° (1984) 26° (1996) 0.05" NA
Jan 20 -7° -28° (1985) 18.3° (2006) 0.04" NA
Jan 21 -7° -28° (1985) 11° (1997) 0.05" NA
Jan 22 -7° -23° (1984) 14° (1986) 0.04" NA
Jan 23 -7° -19° (2003) 14° (2002) 0.05" NA
Jan 24 -7° -19° (2003) 13° (1989) 0.05" NA
Jan 25 -7° -19° (1979) 16° (1981) 0.04" NA
Jan 26 -7° -19° (1978) 18° (1981) 0.05" NA
Jan 27 -7° -20° (1991) 17° (2002) 0.04" NA
Jan 28 -7° -22° (1997) 18° (2002) 0.05" NA
Jan 29 -7° -23° (1997) 15° (1998) 0.04" NA
Jan 30 -7° -21° (1997) 14° (2008) 0.05" NA
Jan 31 -7° -22° (1996) 13° (1989) 0.05" NA
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