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
Aug 1 21.7° 32.2° 14° (1992) 40° (1970) 0.12" NA
Aug 2 21.7° 32.2° 18° (1968) 39.4° (2006) 0.12" NA
Aug 3 21.7° 32.2° 16° (1976) 39° (1987) 0.12" NA
Aug 4 21.7° 32.2° 16° (1976) 39° (1987) 0.13" NA
Aug 5 21.1° 32.2° 16° (1994) 36° (1988) 0.13" NA
Aug 6 21.1° 32.2° 13° (1994) 36° (1996) 0.13" NA
Aug 7 21.1° 32.2° 13° (1990) 37.2° (2006) 0.13" NA
Aug 8 21.1° 31.7° 14° (1976) 36° (1968) 0.13" NA
Aug 9 21.1° 31.7° 14° (1989) 38° (1988) 0.12" NA
Aug 10 21.1° 31.7° 14° (1989) 37° (1988) 0.12" NA
Aug 11 21.1° 31.7° 16° (2004) 36° (1971) 0.12" NA
Aug 12 21.1° 31.7° 11° (2004) 37° (1988) 0.12" NA
Aug 13 20.6° 31.7° 11° (2004) 38° (1975) 0.12" NA
Aug 14 20.6° 31.7° 12° (2004) 37° (1995) 0.12" NA
Aug 15 20.6° 31.1° 11° (1992) 36° (1988) 0.12" NA
Aug 16 20.6° 31.1° 13° (1992) 38° (1988) 0.12" NA
Aug 17 20.6° 31.1° 12° (2004) 38° (1988) 0.12" NA
Aug 18 20° 31.1° 15° (1992) 38° (1988) 0.12" NA
Aug 19 20° 31.1° 15° (1977) 38° (1988) 0.12" NA
Aug 20 20° 30.6° 14° (1991) 37° (1995) 0.12" NA
Aug 21 20° 30.6° 14° (1992) 37° (2003) 0.12" NA
Aug 22 20° 30.6° 16° (1969) 40° (2003) 0.12" NA
Aug 23 19.4° 30.6° 14° (1997) 36° (2002) 0.12" NA
Aug 24 19.4° 30.6° 15° (1987) 36° (1971) 0.12" NA
Aug 25 19.4° 30° 14° (1987) 36° (1998) 0.11" NA
Aug 26 19.4° 30° 14° (1987) 37° (2003) 0.11" NA
Aug 27 19.4° 30° 14° (1968) 38° (2003) 0.11" NA
Aug 28 18.9° 30° 12° (1968) 37° (1990) 0.11" NA
Aug 29 18.9° 30° 12° (1988) 38° (1990) 0.11" NA
Aug 30 18.9° 29.4° 12° (1988) 35° (1969) 0.11" NA
Aug 31 18.3° 29.4° 13° (1987) 36° (1995) 0.11" NA
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