Saint Louis, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -6° -23.3° (1977) 23.3° (1970) 2.01" NA
February -3° -25° (1996) 26.1° (1976) 2.06" NA
March 13° -16.7° (1978) 31.1° (1997) 3.7" NA
April 19° -6.7° (1975) 33.9° (2006) 3.82" NA
May 14° 25° 1.1° (1978) 35° (1996) 3.92" NA
June 19° 30° 4.4° (1976) 38.9° (1988) 3.73" NA
July 22° 33° 11.7° (1975) 40.6° (1999) 3.78" NA
August 21° 31° 10.6° (1992) 40° (2003) 3.7" NA
September 16° 27° 1.7° (1969) 37.2° (1990) 2.69" NA
October 21° -2.2° (1987) 34.4° (2006) 2.81" NA
November 12° -13.9° (1976) 28.3° (2003) 4.06" NA
December -3° -27.2° (1989) 25.6° (1970) 2.56" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 21.1° 31.7° 16° (1988) 37° (2005) 0.12" NA
Jul 2 21.1° 31.7° 14° (1995) 37° (1970) 0.12" NA
Jul 3 21.1° 31.7° 17.2° (2007) 38° (1970) 0.12" NA
Jul 4 21.1° 32.2° 17° (1992) 37° (1969) 0.12" NA
Jul 5 21.1° 32.2° 13° (1997) 38° (1990) 0.12" NA
Jul 6 21.7° 32.2° 12° (1972) 37° (1977) 0.12" NA
Jul 7 21.7° 32.2° 16° (1972) 38° (1977) 0.12" NA
Jul 8 21.7° 32.2° 16° (1987) 37° (1977) 0.12" NA
Jul 9 21.7° 32.2° 17° (1994) 37° (1971) 0.12" NA
Jul 10 21.7° 32.2° 15° (1996) 37° (1990) 0.12" NA
Jul 11 21.7° 32.8° 12° (1975) 37° (1976) 0.12" NA
Jul 12 21.7° 32.8° 16° (1975) 37° (1976) 0.12" NA
Jul 13 21.7° 32.8° 12° (1975) 37° (1995) 0.12" NA
Jul 14 21.7° 32.8° 14° (1990) 38° (1977) 0.12" NA
Jul 15 21.7° 32.8° 15° (1987) 38° (1988) 0.12" NA
Jul 16 21.7° 32.8° 15° (1990) 38° (1988) 0.12" NA
Jul 17 21.7° 32.8° 16° (1987) 38° (1988) 0.12" NA
Jul 18 21.7° 32.8° 17° (1976) 38° (1988) 0.12" NA
Jul 19 21.7° 32.8° 16° (1976) 37° (1977) 0.12" NA
Jul 20 21.7° 32.8° 17° (1970) 37.8° (2006) 0.12" NA
Jul 21 22.2° 32.8° 15° (1970) 37° (1998) 0.12" NA
Jul 22 22.2° 32.8° 16° (1970) 37° (1976) 0.12" NA
Jul 23 21.7° 32.8° 17° (1970) 38° (1976) 0.12" NA
Jul 24 21.7° 32.8° 17° (1990) 38° (1976) 0.12" NA
Jul 25 21.7° 32.8° 14° (1975) 38° (2005) 0.12" NA
Jul 26 21.7° 32.8° 16° (2003) 38° (1999) 0.13" NA
Jul 27 21.7° 32.8° 14° (2004) 39° (1999) 0.13" NA
Jul 28 21.7° 32.8° 15° (1994) 37° (1997) 0.13" NA
Jul 29 21.7° 32.8° 15° (1994) 37° (1970) 0.13" NA
Jul 30 21.7° 32.2° 15° (1991) 41° (1999) 0.13" NA
Jul 31 21.7° 32.2° 14° (1971) 39° (1999) 0.13" NA
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