Saint Peters, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 38° -20° (1985) 73° (1986) 1.72" NA
February 24° 44° -17° (1982) 78° (1981) 1.95" NA
March 32° 55° 2° (1980) 88° (1985) 3.45" NA
April 42° 67° 22° (1982) 93° (1986) 3.94" NA
May 52° 76° 34° (1980) 93° (1991) 4.17" NA
June 62° 86° 45° (1993) 104° (1988) 3.73" NA
July 68° 90° 48° (1981) 106° (1980) 4.18" NA
August 66° 89° 45° (1986) 107° (1984) 3.19" NA
September 57° 81° 35° (1989) 102° (1984) 2.92" NA
October 45° 70° 22° (1980) 93° (1980) 2.75" NA
November 36° 55° 4° (1991) 84° (1989) 3.42" NA
December 25° 42° -18° (1989) 75° (1991) 2.86" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 30° 47° 20° (1983) 69° (1982) 0.11" NA
Dec 2 29° 47° 9° (1985) 67° (1982) 0.11" NA
Dec 3 29° 46° 9° (1985) 74° (1982) 0.11" NA
Dec 4 29° 46° 8° (1991) 62° (1988) 0.11" NA
Dec 5 28° 45° 8° (1991) 66° (1994) 0.11" NA
Dec 6 28° 45° 7° (1984) 67° (1980) 0.11" NA
Dec 7 27° 44° 6° (1984) 64° (1980) 0.1" NA
Dec 8 27° 44° 16° (1984) 68° (1991) 0.1" NA
Dec 9 27° 44° 16° (1989) 75° (1991) 0.1" NA
Dec 10 26° 43° 15° (1986) 64° (1990) 0.1" NA
Dec 11 26° 43° 11° (1988) 65° (1990) 0.1" NA
Dec 12 26° 43° 4° (1989) 67° (1990) 0.1" NA
Dec 13 25° 42° 3° (1989) 70° (1991) 0.1" NA
Dec 14 25° 42° 2° (1985) 55° (1988) 0.1" NA
Dec 15 25° 42° -4° (1989) 58° (1988) 0.09" NA
Dec 16 24° 41° -9° (1989) 63° (1984) 0.09" NA
Dec 17 24° 41° -9° (1989) 67° (1984) 0.09" NA
Dec 18 24° 41° -2° (1981) 63° (1984) 0.09" NA
Dec 19 23° 40° -8° (1983) 58° (1988) 0.09" NA
Dec 20 23° 40° -8° (1983) 63° (1988) 0.09" NA
Dec 21 23° 40° -6° (1989) 65° (1988) 0.09" NA
Dec 22 22° 40° -18° (1989) 63° (1984) 0.08" NA
Dec 23 22° 39° -18° (1989) 62° (1982) 0.08" NA
Dec 24 22° 39° -16° (1989) 72° (1982) 0.08" NA
Dec 25 22° 39° -12° (1983) 64° (1982) 0.08" NA
Dec 26 21° 39° -13° (1983) 61° (1982) 0.08" NA
Dec 27 21° 39° 0° (1983) 56° (1988) 0.08" NA
Dec 28 21° 38° 13° (1990) 66° (1984) 0.08" NA
Dec 29 21° 38° -3° (1983) 74° (1984) 0.07" NA
Dec 30 20° 38° -13° (1983) 70° (1984) 0.07" NA
Dec 31 20° 38° -3° (1983) 65° (1992) 0.07" NA
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