Quincy, Illinois
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
Apr 1 2.2° 15° -2° (1984) 27° (1978) 0.1" NA
Apr 2 2.2° 15.6° -2° (1992) 27° (1986) 0.1" NA
Apr 3 2.2° 15.6° -3° (1982) 30° (1981) 0.1" NA
Apr 4 2.8° 15.6° -4° (2002) 27° (1978) 0.1" NA
Apr 5 2.8° 16.1° -4° (2002) 28° (2005) 0.1" NA
Apr 6 3.3° 16.1° -8° (1982) 28° (1988) 0.11" NA
Apr 7 3.3° 16.7° -8° (1982) 28° (1991) 0.11" NA
Apr 8 3.3° 16.7° -7.2° (2007) 28° (1999) 0.11" NA
Apr 9 3.9° 16.7° -5° (1997) 29° (2001) 0.11" NA
Apr 10 3.9° 17.2° -4° (1997) 30° (2001) 0.11" NA
Apr 11 3.9° 17.2° -2° (1996) 31° (1981) 0.11" NA
Apr 12 4.4° 17.8° -2° (1990) 29° (1996) 0.11" NA
Apr 13 4.4° 17.8° -2° (1990) 28° (1977) 0.11" NA
Apr 14 4.4° 17.8° -2° (1997) 30.6° (2006) 0.11" NA
Apr 15 18.3° -2° (1997) 30° (2003) 0.11" NA
Apr 16 18.3° -1° (1983) 32° (2002) 0.11" NA
Apr 17 18.9° -1° (1983) 31° (1977) 0.12" NA
Apr 18 5.6° 18.9° -2° (1983) 31° (1977) 0.12" NA
Apr 19 5.6° 18.9° -3° (1983) 31° (1977) 0.12" NA
Apr 20 5.6° 19.4° -3° (1983) 30° (2002) 0.12" NA
Apr 21 6.1° 19.4° -1° (1983) 28° (1979) 0.12" NA
Apr 22 6.1° 19.4° -1° (1992) 30° (1980) 0.12" NA
Apr 23 6.1° 20° -1° (1986) 29° (1980) 0.12" NA
Apr 24 6.7° 20° 1° (1988) 29° (1990) 0.13" NA
Apr 25 6.7° 20° -1° (1988) 29° (1990) 0.13" NA
Apr 26 6.7° 20.6° 2° (1980) 33° (1986) 0.13" NA
Apr 27 7.2° 20.6° 2° (1996) 31° (1986) 0.13" NA
Apr 28 7.2° 20.6° 2° (1988) 29° (1981) 0.13" NA
Apr 29 7.2° 20.6° 1° (1992) 30° (2004) 0.14" NA
Apr 30 7.8° 21.1° 2° (1988) 30° (2007) 0.14" NA
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