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
Jan 1 -5.6° 3.3° -18° (1977) 21° (2005) 0.07" NA
Jan 2 -5.6° 3.3° -19° (1977) 18° (2005) 0.07" NA
Jan 3 -5.6° 3.3° -11° (1969) 22° (1997) 0.07" NA
Jan 4 -5.6° 3.3° -17° (1999) 18° (1997) 0.07" NA
Jan 5 -5.6° 3.3° -19° (1999) 22° (1997) 0.07" NA
Jan 6 -6.1° 2.8° -19° (1970) 15° (1998) 0.07" NA
Jan 7 -6.1° 2.8° -19° (1970) 14° (1998) 0.07" NA
Jan 8 -6.1° 2.8° -21° (1970) 19° (1989) 0.07" NA
Jan 9 -6.1° 2.8° -18° (1976) 22° (2003) 0.07" NA
Jan 10 -6.1° 2.8° -18° (1977) 14° (1975) 0.07" NA
Jan 11 -6.1° 2.8° -20° (1977) 16° (1975) 0.07" NA
Jan 12 -6.1° 2.8° -19° (1997) 18° (2004) 0.07" NA
Jan 13 -6.1° 2.8° -18° (1997) 21° (1995) 0.07" NA
Jan 14 -6.1° 2.8° -17° (1997) 14° (1996) 0.07" NA
Jan 15 -6.1° 2.8° -21° (1972) 18° (1996) 0.07" NA
Jan 16 -6.7° 2.8° -23° (1977) 18° (1990) 0.06" NA
Jan 17 -6.7° 2.8° -23° (1977) 20° (1990) 0.06" NA
Jan 18 -6.1° 2.8° -23° (1994) 18° (1996) 0.06" NA
Jan 19 -6.1° 2.8° -21° (1994) 20° (1974) 0.06" NA
Jan 20 -6.1° 3.3° -17° (1996) 19.4° (2006) 0.06" NA
Jan 21 -6.1° 3.3° -21° (1970) 17.2° (2006) 0.06" NA
Jan 22 -6.1° 3.3° -17° (1970) 14° (1999) 0.06" NA
Jan 23 -6.1° 3.3° -17° (2003) 15° (1990) 0.06" NA
Jan 24 -6.1° 3.3° -17° (2003) 21° (1976) 0.06" NA
Jan 25 -6.1° 3.3° -17° (2003) 21° (1972) 0.06" NA
Jan 26 -6.1° 3.9° -18° (1978) 17° (2005) 0.06" NA
Jan 27 -6.1° 3.9° -17° (1978) 16.7° (2007) 0.06" NA
Jan 28 -6.1° 3.9° -20° (1977) 23° (1970) 0.06" NA
Jan 29 -5.6° 3.9° -20° (1977) 23° (1970) 0.06" NA
Jan 30 -5.6° 4.4° -14° (1978) 19° (1988) 0.06" NA
Jan 31 -5.6° 4.4° -18° (1996) 15° (1970) 0.06" NA
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