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
Aug 1 21.7° 32.2° 14° (1962) 40° (1980) 0.11" NA
Aug 2 21.7° 32.2° 13° (1927) 41° (1901) 0.11" NA
Aug 3 21.7° 32.2° 12° (1927) 40° (1964) 0.11" NA
Aug 4 21.1° 32.2° 13° (1974) 41° (1930) 0.11" NA
Aug 5 21.1° 32.2° 13° (1974) 40° (1918) 0.1" NA
Aug 6 21.1° 32.2° 13° (1948) 40° (1947) 0.1" NA
Aug 7 21.1° 31.7° 13° (1978) 39° (1930) 0.1" NA
Aug 8 21.1° 31.7° 12° (1976) 42° (1934) 0.1" NA
Aug 9 21.1° 31.7° 13° (1976) 43° (1934) 0.1" NA
Aug 10 21.1° 31.7° 12° (1972) 41° (1934) 0.1" NA
Aug 11 21.1° 31.7° 13° (1967) 39° (1941) 0.1" NA
Aug 12 21.1° 31.7° 11° (1967) 40° (1936) 0.1" NA
Aug 13 20.6° 31.7° 10° (1964) 39° (1936) 0.1" NA
Aug 14 20.6° 31.1° 13° (1933) 39° (2007) 0.09" NA
Aug 15 20.6° 31.1° 11° (1992) 41° (2007) 0.09" NA
Aug 16 20.6° 31.1° 13° (1992) 39° (1936) 0.09" NA
Aug 17 20.6° 31.1° 14° (1943) 40° (1936) 0.09" NA
Aug 18 20.6° 31.1° 12° (1963) 41° (1936) 0.09" NA
Aug 19 20° 31.1° 13° (1953) 41° (1962) 0.09" NA
Aug 20 20° 30.6° 11° (1950) 40° (1962) 0.09" NA
Aug 21 20° 30.6° 10° (1950) 40° (2003) 0.09" NA
Aug 22 20° 30.6° 13° (1950) 39° (1936) 0.09" NA
Aug 23 19.4° 30.6° 12° (1966) 39° (1947) 0.09" NA
Aug 24 19.4° 30.6° 11° (1942) 39° (1947) 0.09" NA
Aug 25 19.4° 30° 11° (1958) 38° (1943) 0.09" NA
Aug 26 19.4° 30° 12° (1934) 39° (1936) 0.09" NA
Aug 27 19.4° 30° 11° (1968) 38° (1983) 0.09" NA
Aug 28 18.9° 30° 9° (1986) 38° (1990) 0.09" NA
Aug 29 18.9° 29.4° 8° (1986) 42° (1984) 0.09" NA
Aug 30 18.9° 29.4° 10° (1934) 38° (1947) 0.1" NA
Aug 31 18.3° 29.4° 9° (1967) 38° (1953) 0.1" NA
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