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
Aug 1 65° 88° 54° (1977) 103° (2006) 0.11" NA
Aug 2 65° 88° 54° (1977) 102° (2006) 0.11" NA
Aug 3 65° 88° 56° (1974) 103° (2006) 0.11" NA
Aug 4 65° 88° 50° (1974) 100° (1988) 0.11" NA
Aug 5 65° 88° 52° (1974) 100° (1988) 0.1" NA
Aug 6 65° 87° 51° (1978) 96° (1979) 0.1" NA
Aug 7 65° 87° 52° (1978) 100° (2006) 0.1" NA
Aug 8 64° 87° 52° (1989) 97° (1979) 0.1" NA
Aug 9 64° 87° 52° (1989) 103° (1988) 0.1" NA
Aug 10 64° 87° 44° (1974) 101° (2001) 0.1" NA
Aug 11 64° 87° 53° (1979) 96° (1980) 0.1" NA
Aug 12 64° 87° 52° (1977) 98° (2007) 0.1" NA
Aug 13 64° 87° 49° (1979) 98° (2007) 0.1" NA
Aug 14 63° 86° 51° (2004) 95° (1980) 0.09" NA
Aug 15 63° 86° 51° (2004) 98° (2007) 0.09" NA
Aug 16 63° 86° 51° (2004) 101° (1988) 0.09" NA
Aug 17 63° 86° 53° (1992) 101° (1988) 0.09" NA
Aug 18 63° 86° 52° (1977) 101° (1983) 0.09" NA
Aug 19 63° 86° 52° (1977) 102° (1988) 0.09" NA
Aug 20 62° 85° 51° (1978) 99° (1983) 0.09" NA
Aug 21 62° 85° 51° (1978) 101° (2003) 0.1" NA
Aug 22 62° 85° 55° (1981) 102° (2003) 0.1" NA
Aug 23 62° 85° 55° (1977) 93° (2001) 0.1" NA
Aug 24 61° 84° 55° (1984) 97° (2007) 0.1" NA
Aug 25 61° 84° 54° (1977) 98° (1998) 0.1" NA
Aug 26 61° 84° 53° (1977) 98° (2003) 0.1" NA
Aug 27 61° 84° 53° (1992) 105° (2003) 0.1" NA
Aug 28 61° 83° 53° (1992) 100° (1983) 0.1" NA
Aug 29 60° 83° 50° (1988) 101° (1984) 0.1" NA
Aug 30 60° 83° 48° (1988) 101° (1984) 0.11" NA
Aug 31 60° 83° 48° (1988) 95° (1984) 0.11" NA
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