Historic Average
Quincy, Illinois
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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
Jun 1 13.9° 26.7° 8° (1982) 33° (2000) 0.13" NA
Jun 2 13.9° 26.7° 8° (1982) 33° (1988) 0.12" NA
Jun 3 13.9° 27.2° 9° (1982) 32° (2002) 0.12" NA
Jun 4 14.4° 27.2° 10° (1982) 32° (1991) 0.12" NA
Jun 5 14.4° 27.2° 8° (1993) 34° (2005) 0.12" NA
Jun 6 14.4° 27.2° 7° (1993) 35° (1977) 0.12" NA
Jun 7 15° 27.8° 9° (1983) 33° (1999) 0.11" NA
Jun 8 15° 27.8° 9° (1983) 35° (2005) 0.11" NA
Jun 9 15° 27.8° 8° (1977) 34° (1999) 0.11" NA
Jun 10 15.6° 28.3° 9° (1988) 33° (1999) 0.11" NA
Jun 11 15.6° 28.3° 8° (1988) 31° (1977) 0.11" NA
Jun 12 15.6° 28.3° 11° (1988) 33° (2001) 0.11" NA
Jun 13 15.6° 28.3° 9° (1985) 33° (2001) 0.1" NA
Jun 14 16.1° 28.9° 10° (1985) 34° (1988) 0.1" NA
Jun 15 16.1° 28.9° 12° (1983) 33° (1980) 0.1" NA
Jun 16 16.1° 28.9° 8° (1989) 33° (1991) 0.1" NA
Jun 17 16.7° 28.9° 9° (1989) 33° (1977) 0.1" NA
Jun 18 16.7° 29.4° 11° (1982) 33° (1978) 0.1" NA
Jun 19 16.7° 29.4° 12° (1999) 34° (1979) 0.1" NA
Jun 20 16.7° 29.4° 10° (1980) 36° (1988) 0.1" NA
Jun 21 16.7° 29.4° 10° (1980) 38° (1988) 0.1" NA
Jun 22 17.2° 29.4° 9° (1992) 38° (1988) 0.1" NA
Jun 23 17.2° 30° 11° (1992) 36° (1988) 0.1" NA
Jun 24 17.2° 30° 12° (1982) 37° (2005) 0.11" NA
Jun 25 17.2° 30° 12° (1979) 38° (1988) 0.11" NA
Jun 26 17.8° 30° 12° (1979) 39° (1988) 0.11" NA
Jun 27 17.8° 30° 12° (1979) 37° (2005) 0.11" NA
Jun 28 17.8° 30.6° 13° (1992) 36° (1980) 0.11" NA
Jun 29 17.8° 30.6° 13° (1977) 35° (1988) 0.11" NA
Jun 30 17.8° 30.6° 13° (1977) 38° (2005) 0.11" NA
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