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
Oct 1 9.4° 22.8° 0° (1984) 32° (1981) 0.1" NA
Oct 2 8.9° 22.2° 1° (1984) 32° (2002) 0.09" NA
Oct 3 8.9° 22.2° 1° (1981) 33.3° (2006) 0.09" NA
Oct 4 8.9° 22.2° 1° (1981) 34° (1997) 0.09" NA
Oct 5 8.3° 21.7° -1° (1979) 29.4° (2007) 0.09" NA
Oct 6 8.3° 21.7° -2° (1979) 31° (1982) 0.08" NA
Oct 7 7.8° 21.1° 0° (2000) 31.7° (2007) 0.08" NA
Oct 8 7.8° 21.1° -1° (1979) 32.2° (2007) 0.08" NA
Oct 9 7.8° 21.1° -1° (2000) 29° (1979) 0.08" NA
Oct 10 7.2° 20.6° -1° (1979) 27° (1982) 0.08" NA
Oct 11 7.2° 20.6° -1° (2000) 27° (1999) 0.08" NA
Oct 12 6.7° 20° 0° (2000) 31° (1989) 0.08" NA
Oct 13 6.7° 20° -2° (1979) 29° (1995) 0.08" NA
Oct 14 6.7° 19.4° -3° (1979) 31° (1989) 0.08" NA
Oct 15 6.1° 19.4° 2° (2002) 31° (1989) 0.07" NA
Oct 16 6.1° 18.9° 2° (1977) 29° (1989) 0.07" NA
Oct 17 5.6° 18.9° -2° (1992) 27° (1996) 0.07" NA
Oct 18 5.6° 18.9° -2° (1992) 28° (1988) 0.07" NA
Oct 19 5.6° 18.3° -2° (1992) 27° (1995) 0.07" NA
Oct 20 18.3° -3° (1992) 31° (2003) 0.07" NA
Oct 21 17.8° -1° (1991) 31° (1979) 0.08" NA
Oct 22 17.8° -3° (1982) 31° (1978) 0.08" NA
Oct 23 4.4° 17.2° -4° (1982) 27° (1992) 0.08" NA
Oct 24 4.4° 17.2° -6° (1981) 26° (1989) 0.08" NA
Oct 25 4.4° 16.7° -4° (1981) 27° (1989) 0.08" NA
Oct 26 3.9° 16.7° -3° (1980) 26° (1989) 0.08" NA
Oct 27 3.9° 16.1° -3° (1981) 26° (1989) 0.08" NA
Oct 28 3.9° 16.1° -2° (1981) 27° (1999) 0.08" NA
Oct 29 3.3° 15.6° -4° (1980) 26° (1999) 0.08" NA
Oct 30 3.3° 15° -4° (1980) 27° (2004) 0.09" NA
Oct 31 3.3° 15° -4° (1980) 26° (1990) 0.09" NA
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