Quincy, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -9° -29.4° (1979) 21.1° (2004) 1.36" NA
February -6° -27.2° (1979) 23.3° (1996) 1.74" NA
March -1° 11° -24.4° (1978) 29.4° (1986) 2.93" NA
April 18° -8.3° (1982) 33.3° (1986) 3.48" NA
May 11° 24° 0.6° (2005) 33.3° (2006) 4.61" NA
June 16° 29° 7.2° (1993) 38.9° (1988) 3.26" NA
July 19° 31° 11.1° (1983) 40.6° (2005) 3.89" NA
August 17° 30° 6.7° (1974) 40.6° (2003) 3.09" NA
September 13° 26° 0° (1983) 36.7° (2000) 3.45" NA
October 19° -5.6° (1981) 33.9° (1997) 2.5" NA
November 11° -17.8° (1953) 28.3° (1987) 3.1" NA
December -6° -27.8° (1983) 21.7° (1984) 2.22" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 -8.3° 2.2° -23° (1979) 23° (1989) 0.05" NA
Feb 2 -8.3° 2.2° -24° (1979) 14° (1984) 0.05" NA
Feb 3 -7.8° 2.2° -27° (1996) 19° (1992) 0.05" NA
Feb 4 -7.8° 2.2° -27° (1996) 21° (1992) 0.05" NA
Feb 5 -7.8° 2.8° -24° (1979) 16° (2005) 0.05" NA
Feb 6 -7.8° 2.8° -25° (1978) 15° (2005) 0.05" NA
Feb 7 -7.2° 2.8° -25° (1978) 11° (2005) 0.05" NA
Feb 8 -7.2° 3.3° -22° (1985) 14° (1990) 0.05" NA
Feb 9 -7.2° 3.3° -26° (1979) 22° (1990) 0.06" NA
Feb 10 -7.2° 3.3° -27° (1979) 16° (2000) 0.06" NA
Feb 11 -7.2° 3.9° -23° (1981) 19° (1999) 0.06" NA
Feb 12 -6.7° 3.9° -23° (1981) 22° (1999) 0.06" NA
Feb 13 -6.7° 3.9° -20° (1981) 22° (1990) 0.06" NA
Feb 14 -6.7° 4.4° -19° (1986) 14° (1990) 0.06" NA
Feb 15 -6.1° 4.4° -22° (1986) 18.3° (2006) 0.06" NA
Feb 16 -6.1° 4.4° -21° (1978) 18° (1984) 0.06" NA
Feb 17 -6.1° -21.1° (2007) 14° (1981) 0.06" NA
Feb 18 -6.1° -24° (1978) 17° (1981) 0.07" NA
Feb 19 -5.6° -23° (1978) 19° (1997) 0.07" NA
Feb 20 -5.6° 5.6° -23° (1978) 18° (1983) 0.07" NA
Feb 21 -5.6° 5.6° -15° (1978) 21° (1983) 0.07" NA
Feb 22 -5° 6.1° -21° (1978) 19° (1981) 0.07" NA
Feb 23 -5° 6.1° -20° (1978) 21° (2000) 0.07" NA
Feb 24 -5° 6.1° -21° (1989) 17° (2000) 0.07" NA
Feb 25 -4.4° 6.7° -20° (1989) 22° (2002) 0.07" NA
Feb 26 -4.4° 6.7° -17° (2003) 21° (2000) 0.08" NA
Feb 27 -4.4° 7.2° -15° (1993) 23° (1996) 0.08" NA
Feb 28 -3.9° 7.2° -15° (1993) 21° (1981) 0.08" NA
Feb 29 -3.9° 7.2° -12° (1996) 19° (2000) 0.08" NA
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