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
Jul 1 67° 87° 53° (1977) 95° (1991) 0.15" NA
Jul 2 67° 87° 55° (1977) 98° (1980) 0.14" NA
Jul 3 67° 87° 57° (2005) 98° (1980) 0.14" NA
Jul 4 67° 87° 58° (1997) 98° (1990) 0.14" NA
Jul 5 67° 87° 56° (1997) 100° (1990) 0.15" NA
Jul 6 67° 87° 52° (1983) 98° (1977) 0.15" NA
Jul 7 67° 87° 52° (1983) 98° (1977) 0.15" NA
Jul 8 67° 87° 52° (1983) 99° (1989) 0.16" NA
Jul 9 67° 87° 56° (1983) 100° (1989) 0.16" NA
Jul 10 67° 87° 58° (1996) 98° (1980) 0.15" NA
Jul 11 67° 87° 56° (1996) 103° (1984) 0.15" NA
Jul 12 67° 87° 56° (1996) 99° (1980) 0.15" NA
Jul 13 67° 87° 58° (1999) 98° (1980) 0.15" NA
Jul 14 67° 87° 57° (1990) 100° (1977) 0.16" NA
Jul 15 67° 87° 57° (1990) 101° (1980) 0.15" NA
Jul 16 67° 87° 60° (1985) 102° (1980) 0.14" NA
Jul 17 67° 87° 60° (1985) 99° (2006) 0.14" NA
Jul 18 67° 87° 58° (2009) 97° (1977) 0.14" NA
Jul 19 67° 87° 56° (1979) 98° (1977) 0.12" NA
Jul 20 67° 87° 55° (1979) 102° (1980) 0.12" NA
Jul 21 67° 87° 59° (1979) 103° (2005) 0.12" NA
Jul 22 67° 87° 59° (2007) 100° (2005) 0.13" NA
Jul 23 67° 87° 59° (2000) 101° (1983) 0.12" NA
Jul 24 67° 87° 57° (1985) 101° (2005) 0.12" NA
Jul 25 67° 87° 57° (1985) 105° (2005) 0.13" NA
Jul 26 67° 87° 54° (1977) 104° (2005) 0.12" NA
Jul 27 67° 87° 55° (1977) 100° (1997) 0.12" NA
Jul 28 67° 87° 56° (1977) 100° (1999) 0.12" NA
Jul 29 67° 87° 55° (1981) 100° (1983) 0.12" NA
Jul 30 67° 87° 56° (1981) 102° (1999) 0.12" NA
Jul 31 67° 87° 54° (1977) 104° (1980) 0.12" NA
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