Saint Louis, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -6° -28.3° (1930) 25° (1950) 2.14" 7.4"
February -3° -27.8° (1905) 29.4° (1972) 2.28" 4.8"
March 13° -20.6° (1960) 33.3° (1929) 3.6" 3.3"
April 19° -6.7° (1936) 33.9° (2002) 3.69" 0.6"
May 14° 24° -0.6° (1976) 36.7° (1953) 4.11" 0"
June 19° 29° 6.1° (1969) 40.6° (1952) 3.76" 0"
July 22° 32° 10.6° (1972) 46.1° (1954) 3.9" 0"
August 21° 31° 1.1° (1986) 43.3° (1934) 2.98" 0"
September 16° 27° 0° (1942) 40° (1984) 2.96" 0"
October 20° -10° (1925) 34.4° (2006) 2.76" 0"
November 12° -17.2° (1964) 30° (1937) 3.71" 1.5"
December -3° -26.7° (1989) 24.4° (1970) 2.86" 4.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 -0.6° 8.3° -13° (1893) 23° (1970) 0.12" NA
Dec 2 -1.1° 7.8° -14° (1942) 23° (1982) 0.11" NA
Dec 3 -1.1° 7.8° -14° (1929) 24° (1970) 0.11" NA
Dec 4 -1.1° 7.8° -13° (1893) 23° (2001) 0.11" NA
Dec 5 -1.7° 7.2° -11° (1895) 22° (2001) 0.11" NA
Dec 6 -1.7° 7.2° -16° (1977) 22° (1998) 0.11" NA
Dec 7 -2.2° 7.2° -18° (1950) 23° (1966) 0.1" NA
Dec 8 -2.2° 6.7° -17° (1917) 23° (1991) 0.1" NA
Dec 9 -2.2° 6.7° -19° (1917) 23° (1918) 0.1" NA
Dec 10 -2.8° 6.7° -20° (1917) 19° (1996) 0.1" NA
Dec 11 -2.8° 6.1° -17° (1962) 21° (1979) 0.1" NA
Dec 12 -2.8° 6.1° -21° (1962) 21° (1991) 0.1" NA
Dec 13 -3.3° 6.1° -17° (1903) 23° (1948) 0.09" NA
Dec 14 -3.3° 5.6° -19° (1901) 21° (1975) 0.09" NA
Dec 15 -3.3° 5.6° -21° (1901) 24° (1948) 0.09" NA
Dec 16 -3.3° 5.6° -22° (1989) 21° (1924) 0.09" NA
Dec 17 -3.9° -17° (2000) 22° (1908) 0.09" NA
Dec 18 -3.9° -20° (1983) 21° (1939) 0.09" NA
Dec 19 -3.9° -22° (1983) 20° (1976) 0.09" NA
Dec 20 -4.4° -23° (1901) 20° (1978) 0.09" NA
Dec 21 -4.4° 4.4° -24° (1989) 19° (1967) 0.08" NA
Dec 22 -4.4° 4.4° -27° (1989) 19° (1965) 0.08" NA
Dec 23 -4.4° 4.4° -26° (1989) 23° (1933) 0.08" NA
Dec 24 -5° 4.4° -24° (1983) 21° (1955) 0.08" NA
Dec 25 -5° 3.9° -25° (1983) 19° (1936) 0.08" NA
Dec 26 -5° 3.9° -18° (1948) 21° (1942) 0.08" NA
Dec 27 -5° 3.9° -19° (1924) 22° (1971) 0.08" NA
Dec 28 -5° 3.9° -22° (1924) 24° (1928) 0.08" NA
Dec 29 -5.6° 3.9° -19° (1917) 21° (1984) 0.08" NA
Dec 30 -5.6° 3.3° -20° (1976) 22° (1965) 0.08" NA
Dec 31 -5.6° 3.3° -23° (1976) 23° (1951) 0.07" NA
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