Quincy, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 34° -21° (1979) 70° (2004) 1.36" NA
February 21° 40° -17° (1979) 74° (1996) 1.74" NA
March 30° 52° -12° (1978) 85° (1986) 2.93" NA
April 41° 65° 17° (1982) 92° (1986) 3.48" NA
May 51° 75° 33° (2005) 92° (2006) 4.61" NA
June 61° 84° 45° (1993) 102° (1988) 3.26" NA
July 66° 88° 52° (1983) 105° (2005) 3.89" NA
August 63° 86° 44° (1974) 105° (2003) 3.09" NA
September 55° 78° 32° (1983) 98° (2000) 3.45" NA
October 43° 66° 22° (1981) 93° (1997) 2.5" NA
November 33° 51° 0° (1953) 83° (1987) 3.1" NA
December 21° 38° -18° (1983) 71° (1984) 2.22" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 49° 73° 32° (1984) 89° (1981) 0.1" NA
Oct 2 48° 72° 34° (1984) 89° (2002) 0.09" NA
Oct 3 48° 72° 34° (1981) 92° (2006) 0.09" NA
Oct 4 48° 72° 33° (1981) 93° (1997) 0.09" NA
Oct 5 47° 71° 30° (1979) 85° (2007) 0.09" NA
Oct 6 47° 71° 29° (1979) 88° (1982) 0.08" NA
Oct 7 46° 70° 32° (2000) 89° (2007) 0.08" NA
Oct 8 46° 70° 31° (1979) 90° (2007) 0.08" NA
Oct 9 46° 70° 30° (2000) 85° (1979) 0.08" NA
Oct 10 45° 69° 30° (1979) 80° (1982) 0.08" NA
Oct 11 45° 69° 31° (2000) 80° (1999) 0.08" NA
Oct 12 44° 68° 32° (2000) 87° (1989) 0.08" NA
Oct 13 44° 68° 28° (1979) 84° (1995) 0.08" NA
Oct 14 44° 67° 26° (1979) 87° (1989) 0.08" NA
Oct 15 43° 67° 35° (2002) 87° (1989) 0.07" NA
Oct 16 43° 66° 35° (1977) 85° (1989) 0.07" NA
Oct 17 42° 66° 29° (1992) 81° (1996) 0.07" NA
Oct 18 42° 66° 29° (1992) 82° (1988) 0.07" NA
Oct 19 42° 65° 28° (1992) 80° (1995) 0.07" NA
Oct 20 41° 65° 27° (1992) 87° (2003) 0.07" NA
Oct 21 41° 64° 30° (1991) 87° (1979) 0.08" NA
Oct 22 41° 64° 27° (1982) 88° (1978) 0.08" NA
Oct 23 40° 63° 25° (1982) 81° (1992) 0.08" NA
Oct 24 40° 63° 22° (1981) 79° (1989) 0.08" NA
Oct 25 40° 62° 25° (1981) 80° (1989) 0.08" NA
Oct 26 39° 62° 27° (1980) 79° (1989) 0.08" NA
Oct 27 39° 61° 27° (1981) 79° (1989) 0.08" NA
Oct 28 39° 61° 28° (1981) 80° (1999) 0.08" NA
Oct 29 38° 60° 24° (1980) 79° (1999) 0.08" NA
Oct 30 38° 59° 24° (1980) 80° (2004) 0.09" NA
Oct 31 38° 59° 24° (1980) 79° (1990) 0.09" NA
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