Quincy, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 35° -21° (1979) 70° (2004) 1.48" NA
February 23° 41° -17° (1979) 74° (1996) 1.93" NA
March 32° 52° -12° (1978) 85° (1986) 2.63" NA
April 43° 64° 17° (1982) 92° (1986) 3.71" NA
May 54° 74° 33° (2005) 92° (2006) 4.59" NA
June 63° 83° 45° (1993) 102° (1988) 3.86" NA
July 67° 87° 52° (1983) 105° (2005) 4.25" NA
August 66° 86° 44° (1974) 105° (2003) 3.49" NA
September 57° 78° 32° (1983) 98° (2000) 3.15" NA
October 45° 67° 22° (1981) 93° (1997) 2.83" NA
November 35° 53° 0° (1953) 83° (1987) 2.77" NA
December 23° 39° -18° (1983) 71° (1984) 2.1" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 67° 87° 54° (1977) 103° (2006) 0.12" NA
Aug 2 67° 87° 54° (1977) 102° (2006) 0.11" NA
Aug 3 67° 87° 56° (1974) 103° (2006) 0.13" NA
Aug 4 67° 87° 50° (1974) 100° (1988) 0.11" NA
Aug 5 67° 87° 52° (1974) 100° (1988) 0.11" NA
Aug 6 67° 87° 51° (1978) 96° (1979) 0.11" NA
Aug 7 67° 87° 52° (1978) 100° (2006) 0.11" NA
Aug 8 67° 86° 52° (1989) 97° (1979) 0.1" NA
Aug 9 67° 86° 52° (1989) 103° (1988) 0.11" NA
Aug 10 67° 86° 44° (1974) 101° (2001) 0.11" NA
Aug 11 66° 86° 53° (1979) 99° (2010) 0.11" NA
Aug 12 66° 86° 52° (1977) 98° (2007) 0.11" NA
Aug 13 66° 86° 49° (1979) 98° (2007) 0.1" NA
Aug 14 66° 86° 51° (2004) 98° (2010) 0.12" NA
Aug 15 66° 86° 51° (2004) 98° (2007) 0.11" NA
Aug 16 66° 86° 51° (2004) 101° (1988) 0.11" NA
Aug 17 66° 86° 53° (1992) 101° (1988) 0.11" NA
Aug 18 66° 86° 52° (1977) 101° (1983) 0.13" NA
Aug 19 66° 86° 52° (1977) 102° (1988) 0.12" NA
Aug 20 66° 86° 51° (1978) 99° (1983) 0.11" NA
Aug 21 65° 86° 51° (1978) 101° (2003) 0.12" NA
Aug 22 65° 85° 55° (1981) 102° (2003) 0.12" NA
Aug 23 65° 85° 55° (1977) 93° (2001) 0.11" NA
Aug 24 65° 85° 55° (1984) 97° (2007) 0.11" NA
Aug 25 65° 85° 54° (1977) 98° (1998) 0.1" NA
Aug 26 64° 85° 53° (1977) 98° (2003) 0.11" NA
Aug 27 64° 85° 53° (1992) 105° (2003) 0.12" NA
Aug 28 64° 84° 53° (1992) 100° (1983) 0.11" NA
Aug 29 64° 84° 50° (1988) 101° (1984) 0.11" NA
Aug 30 63° 84° 48° (1988) 101° (1984) 0.11" NA
Aug 31 63° 84° 48° (1988) 95° (1984) 0.12" NA
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