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
Jul 1 20.6° 31.7° 13° (1937) 41° (1980) 0.13" NA
Jul 2 20.6° 31.7° 13° (2001) 38° (1933) 0.13" NA
Jul 3 21.1° 31.7° 13° (1968) 38° (1934) 0.13" NA
Jul 4 21.1° 31.7° 11° (1940) 39° (1990) 0.13" NA
Jul 5 21.1° 31.7° 12° (1972) 39° (1936) 0.13" NA
Jul 6 21.1° 31.7° 11° (1972) 39° (1936) 0.13" NA
Jul 7 21.1° 32.2° 12° (1983) 39° (1936) 0.13" NA
Jul 8 21.1° 32.2° 14° (1961) 38° (1980) 0.13" NA
Jul 9 21.1° 32.2° 12° (1963) 39° (1936) 0.13" NA
Jul 10 21.1° 32.2° 12° (1963) 40° (1966) 0.13" NA
Jul 11 21.7° 32.2° 13° (1963) 41° (1966) 0.13" NA
Jul 12 21.7° 32.2° 13° (1975) 43° (1954) 0.13" NA
Jul 13 21.7° 32.2° 11° (1975) 41° (1966) 0.13" NA
Jul 14 21.7° 32.2° 11° (1967) 46° (1954) 0.13" NA
Jul 15 21.7° 32.2° 11° (1930) 42° (1980) 0.13" NA
Jul 16 21.7° 32.2° 12° (1930) 39° (1936) 0.13" NA
Jul 17 21.7° 32.2° 14° (1976) 38° (1954) 0.13" NA
Jul 18 21.7° 32.2° 14° (1976) 44° (1954) 0.13" NA
Jul 19 21.7° 32.2° 15° (1984) 41° (1934) 0.13" NA
Jul 20 21.7° 32.2° 14° (1929) 43° (1934) 0.13" NA
Jul 21 21.7° 32.2° 12° (1970) 41° (1901) 0.13" NA
Jul 22 21.7° 32.2° 13° (1970) 42° (1901) 0.12" NA
Jul 23 21.7° 32.2° 11° (1947) 42° (1934) 0.12" NA
Jul 24 21.7° 32.2° 16° (1974) 44° (1934) 0.12" NA
Jul 25 21.7° 32.2° 15° (1911) 41° (1934) 0.12" NA
Jul 26 21.7° 32.2° 13° (1962) 41° (1936) 0.12" NA
Jul 27 21.7° 32.2° 11° (1962) 41° (1930) 0.12" NA
Jul 28 21.7° 32.2° 15° (1977) 42° (1930) 0.12" NA
Jul 29 21.7° 32.2° 12° (1971) 39° (1999) 0.11" NA
Jul 30 21.7° 32.2° 14° (1971) 40° (1953) 0.11" NA
Jul 31 21.7° 32.2° 12° (1971) 39° (1970) 0.11" NA
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