Saint Peters, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 39° -20° (1985) 73° (1986) 2.18" 4.2"
February 24° 45° -17° (1982) 78° (1981) 2.47" 4.6"
March 33° 55° 2° (1980) 88° (1985) 3.33" 1.7"
April 43° 67° 22° (1982) 93° (1986) 3.98" 0.2"
May 53° 76° 34° (1980) 93° (1991) 4.92" 0"
June 63° 85° 45° (1993) 104° (1988) 3.89" 0"
July 67° 89° 48° (1981) 106° (1980) 4.33" 0"
August 65° 88° 45° (1986) 107° (1984) 3.13" 0"
September 56° 80° 35° (1989) 102° (1984) 3.25" 0"
October 45° 69° 22° (1980) 93° (1980) 3.18" 0.1"
November 35° 56° 4° (1991) 84° (1989) 3.67" 0.8"
December 24° 42° -18° (1989) 75° (1991) 3.05" 4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 67° 89° 55° (1992) 100° (1980) 0.11" 0"
Aug 2 67° 89° 58° (1985) 104° (1980) 0.12" 0"
Aug 3 67° 89° 58° (1986) 105° (1987) 0.11" 0"
Aug 4 67° 89° 58° (1986) 103° (1987) 0.1" 0"
Aug 5 66° 89° 60° (1986) 101° (1980) 0.1" 0"
Aug 6 66° 89° 53° (1994) 102° (1983) 0.1" 0"
Aug 7 66° 89° 55° (1990) 98° (1984) 0.1" 0"
Aug 8 66° 89° 55° (1989) 103° (1980) 0.1" 0"
Aug 9 66° 89° 55° (1989) 105° (1980) 0.09" 0"
Aug 10 66° 89° 59° (1990) 105° (1980) 0.1" 0"
Aug 11 66° 89° 57° (1982) 100° (1980) 0.1" 0"
Aug 12 66° 89° 53° (1982) 100° (1988) 0.09" 0"
Aug 13 66° 89° 52° (1982) 97° (1988) 0.1" 0"
Aug 14 66° 89° 56° (1986) 95° (1994) 0.11" 0"
Aug 15 66° 89° 51° (1992) 95° (1988) 0.09" 0"
Aug 16 65° 89° 52° (1992) 100° (1988) 0.1" 0"
Aug 17 65° 89° 53° (1992) 102° (1988) 0.1" 0"
Aug 18 65° 88° 55° (1992) 102° (1988) 0.1" 0"
Aug 19 65° 88° 54° (1981) 100° (1988) 0.11" 0"
Aug 20 65° 88° 55° (1991) 98° (1983) 0.1" 0"
Aug 21 65° 88° 55° (1992) 98° (1983) 0.1" 0"
Aug 22 65° 88° 56° (1992) 101° (1987) 0.1" 0"
Aug 23 64° 88° 56° (1984) 97° (1983) 0.1" 0"
Aug 24 64° 88° 57° (1986) 97° (1983) 0.1" 0"
Aug 25 64° 88° 57° (1982) 97° (1991) 0.1" 0"
Aug 26 64° 87° 58° (1982) 98° (1991) 0.1" 0"
Aug 27 64° 87° 56° (1985) 99° (1983) 0.1" 0"
Aug 28 63° 87° 48° (1986) 100° (1980) 0.1" 0"
Aug 29 63° 87° 45° (1986) 101° (1984) 0.1" 0"
Aug 30 63° 87° 47° (1986) 107° (1984) 0.1" 0"
Aug 31 62° 86° 49° (1986) 96° (1980) 0.1" 0"
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