Wheaton, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 43° -16° (1985) 74° (1986) 2.36" 2.9"
February 27° 48° -14° (1979) 79° (1982) 2.4" 2.5"
March 36° 57° 0° (2002) 85° (1995) 3.75" 1.6"
April 45° 67° 19° (1975) 90° (1987) 4.24" 0"
May 55° 75° 29° (1976) 90° (1987) 5.23" 0"
June 63° 82° 44° (1998) 100° (1988) 5.05" 0"
July 68° 88° 50° (1987) 106° (1980) 3.5" 0"
August 67° 88° 47° (1986) 103° (1984) 3.43" 0"
September 58° 80° 32° (1984) 105° (2000) 5.14" 0"
October 47° 69° 17° (1993) 93° (1980) 3.61" 0"
November 36° 57° 4° (1976) 85° (2006) 4.23" 0.1"
December 26° 45° -17° (1989) 75° (1991) 3.01" 1.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 24° 43° -5° (1974) 69° (2005) 0.08" 0.1"
Jan 2 23° 43° -4° (1979) 70° (2006) 0.09" 0"
Jan 3 23° 43° 5° (1979) 72° (1997) 0.09" 0.1"
Jan 4 23° 43° -1° (1999) 73° (2004) 0.08" 0.1"
Jan 5 23° 43° -2° (2010) 61° (1984) 0.09" 0"
Jan 6 23° 43° 2° (2004) 68° (2008) 0.08" 0.1"
Jan 7 23° 43° -3° (1996) 70° (2008) 0.09" 0.1"
Jan 8 23° 43° -10° (1979) 66° (2008) 0.08" 0.1"
Jan 9 23° 43° -5° (1977) 67° (2006) 0.08" 0.1"
Jan 10 23° 43° -13° (1982) 70° (1990) 0.08" 0.1"
Jan 11 23° 43° -9° (1977) 69° (1995) 0.08" 0.1"
Jan 12 23° 43° -3° (1997) 67° (1995) 0.08" 0"
Jan 13 23° 43° -6° (1997) 69° (1983) 0.07" 0.1"
Jan 14 23° 43° -10° (1979) 67° (1996) 0.08" 0.1"
Jan 15 23° 43° -5° (1979) 69° (1996) 0.07" 0.1"
Jan 16 23° 43° -5° (1977) 65° (2006) 0.08" 0.1"
Jan 17 23° 43° -5° (1978) 66° (1974) 0.08" 0.1"
Jan 18 23° 43° -6° (1984) 66° (1974) 0.08" 0.1"
Jan 19 23° 43° -7° (1984) 63° (2006) 0.08" 0.1"
Jan 20 23° 43° -16° (1985) 74° (1986) 0.07" 0.1"
Jan 21 23° 44° -6° (1984) 66° (2005) 0.07" 0.1"
Jan 22 23° 44° 9° (1985) 67° (1999) 0.07" 0.1"
Jan 23 23° 44° 1° (2003) 69° (2009) 0.07" 0.2"
Jan 24 23° 44° 2° (2003) 71° (2002) 0.07" 0"
Jan 25 23° 44° 5° (1978) 67° (1981) 0.06" 0.1"
Jan 26 24° 44° 2° (1978) 68° (2005) 0.07" 0.1"
Jan 27 24° 44° 3° (1986) 68° (1975) 0.06" 0.2"
Jan 28 24° 44° -1° (1977) 66° (1975) 0.07" 0.1"
Jan 29 24° 44° -5° (1979) 71° (2002) 0.07" 0.1"
Jan 30 24° 45° 6° (1985) 64° (2002) 0.07" 0.1"
Jan 31 24° 45° -6° (1979) 65° (1990) 0.07" 0.1"
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