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
Feb 1 17° 36° -10° (1979) 73° (1989) 0.05" NA
Feb 2 17° 36° -12° (1979) 58° (1984) 0.05" NA
Feb 3 18° 36° -16° (1996) 67° (1992) 0.05" NA
Feb 4 18° 36° -16° (1996) 69° (1992) 0.05" NA
Feb 5 18° 37° -11° (1979) 60° (2005) 0.05" NA
Feb 6 18° 37° -13° (1978) 59° (2005) 0.05" NA
Feb 7 19° 37° -13° (1978) 52° (2005) 0.05" NA
Feb 8 19° 38° -7° (1985) 57° (1990) 0.05" NA
Feb 9 19° 38° -15° (1979) 71° (1990) 0.06" NA
Feb 10 19° 38° -17° (1979) 61° (2000) 0.06" NA
Feb 11 19° 39° -9° (1981) 67° (1999) 0.06" NA
Feb 12 20° 39° -10° (1981) 71° (1999) 0.06" NA
Feb 13 20° 39° -4° (1981) 71° (1990) 0.06" NA
Feb 14 20° 40° -3° (1986) 58° (1990) 0.06" NA
Feb 15 21° 40° -7° (1986) 65° (2006) 0.06" NA
Feb 16 21° 40° -6° (1978) 65° (1984) 0.06" NA
Feb 17 21° 41° -6° (2007) 58° (1981) 0.06" NA
Feb 18 21° 41° -12° (1978) 63° (1981) 0.07" NA
Feb 19 22° 41° -10° (1978) 66° (1997) 0.07" NA
Feb 20 22° 42° -10° (1978) 65° (1983) 0.07" NA
Feb 21 22° 42° 5° (1978) 69° (1983) 0.07" NA
Feb 22 23° 43° -6° (1978) 67° (1981) 0.07" NA
Feb 23 23° 43° -4° (1978) 70° (2000) 0.07" NA
Feb 24 23° 43° -5° (1989) 62° (2000) 0.07" NA
Feb 25 24° 44° -4° (1989) 72° (2002) 0.07" NA
Feb 26 24° 44° 2° (2003) 70° (2000) 0.08" NA
Feb 27 24° 45° 5° (1993) 74° (1996) 0.08" NA
Feb 28 25° 45° 5° (1993) 69° (1981) 0.08" NA
Feb 29 25° 45° 11° (1996) 66° (2000) 0.08" NA
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