Chesterfield, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 38° -18° (1985) 75° (2002) 1.84" NA
February 22° 44° -18° (1996) 81° (1996) 2.16" NA
March 32° 54° -8° (1978) 88° (1986) 3.22" NA
April 43° 66° 20° (1990) 92° (2006) 3.56" NA
May 53° 76° 30° (1992) 95° (1996) 4.38" NA
June 63° 85° 41° (1993) 101° (1988) 3.83" NA
July 67° 89° 50° (1996) 106° (1980) 3.57" NA
August 64° 87° 43° (1992) 106° (1984) 3.24" NA
September 55° 80° 29° (1995) 101° (1984) 3.03" NA
October 43° 69° 22° (1993) 94° (2006) 2.84" NA
November 33° 55° -2° (1991) 85° (1987) 3.65" NA
December 22° 42° -20° (1989) 75° (1991) 2.68" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 27° 48° 17° (1976) 71° (1982) 0.11" NA
Dec 2 27° 47° 8° (1985) 70° (1982) 0.11" NA
Dec 3 27° 47° 8° (1985) 74° (1982) 0.11" NA
Dec 4 26° 46° 4° (1991) 74° (1998) 0.11" NA
Dec 5 26° 46° 4° (1991) 73° (2001) 0.1" NA
Dec 6 25° 46° 4° (1977) 73° (1998) 0.1" NA
Dec 7 25° 45° 4° (1984) 72° (1998) 0.1" NA
Dec 8 25° 45° 7° (1976) 72° (1980) 0.1" NA
Dec 9 24° 44° -4° (1995) 75° (1991) 0.1" NA
Dec 10 24° 44° -4° (1995) 64° (1990) 0.09" NA
Dec 11 24° 44° -3° (1995) 66° (1979) 0.09" NA
Dec 12 23° 43° 4° (1989) 71° (1979) 0.09" NA
Dec 13 23° 43° 6° (1989) 71° (1991) 0.09" NA
Dec 14 23° 43° 2° (1985) 68° (1975) 0.09" NA
Dec 15 22° 42° -5° (1989) 70° (1975) 0.09" NA
Dec 16 22° 42° -10° (1989) 65° (1984) 0.08" NA
Dec 17 22° 42° -5° (1989) 69° (1984) 0.08" NA
Dec 18 22° 41° -2° (1981) 64° (1984) 0.08" NA
Dec 19 21° 41° -6° (1983) 66° (1976) 0.08" NA
Dec 20 21° 41° -9° (1983) 68° (1976) 0.08" NA
Dec 21 21° 40° -6° (1989) 67° (1988) 0.08" NA
Dec 22 20° 40° -19° (1989) 64° (1984) 0.08" NA
Dec 23 20° 40° -20° (1989) 62° (1982) 0.08" NA
Dec 24 20° 40° -18° (1989) 72° (1982) 0.07" NA
Dec 25 20° 39° -12° (1983) 65° (1982) 0.07" NA
Dec 26 20° 39° -5° (1983) 62° (1982) 0.07" NA
Dec 27 19° 39° -2° (1983) 57° (1988) 0.07" NA
Dec 28 19° 39° 3° (2000) 69° (1984) 0.07" NA
Dec 29 19° 39° -6° (1983) 73° (1984) 0.07" NA
Dec 30 19° 38° -10° (1983) 71° (1984) 0.07" NA
Dec 31 18° 38° -9° (1976) 68° (2002) 0.07" NA
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