Saint Charles, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° -32° (1966) 72° (1981) 0.33" 5.1"
February 13° 35° -29° (1994) 76° (2000) 0.66" 6.6"
March 22° 45° -23° (1960) 87° (1978) 1.82" 9"
April 34° 57° 2° (1975) 95° (1980) 2.97" 3.6"
May 46° 69° 18° (1967) 102° (1967) 4.41" 0"
June 56° 79° 35° (1969) 105° (1961) 3.73" 0"
July 62° 85° 40° (1971) 109° (1966) 3.55" 0"
August 59° 83° 33° (1964) 108° (2002) 2.89" 0"
September 49° 75° 19° (1965) 103° (1979) 2.96" 0.1"
October 37° 62° 10° (1997) 95° (1963) 1.91" 1.6"
November 23° 43° -22° (1959) 83° (1965) 0.98" 5.8"
December 12° 32° -28° (1989) 73° (1998) 0.43" 7.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 55° 80° 36° (1965) 97° (1970) 0.1" NA
Sep 2 54° 79° 41° (1974) 98° (1960) 0.1" NA
Sep 3 54° 79° 31° (1974) 101° (1979) 0.1" NA
Sep 4 53° 79° 39° (1962) 100° (1983) 0.1" NA
Sep 5 53° 78° 36° (1962) 103° (1978) 0.1" NA
Sep 6 53° 78° 35° (1956) 103° (1970) 0.1" NA
Sep 7 52° 78° 39° (1986) 100° (1970) 0.1" NA
Sep 8 52° 77° 37° (1992) 96° (1979) 0.1" NA
Sep 9 51° 77° 37° (1992) 103° (1979) 0.1" NA
Sep 10 51° 77° 35° (1959) 96° (1974) 0.1" NA
Sep 11 51° 76° 35° (1989) 98° (1998) 0.11" NA
Sep 12 50° 76° 33° (1989) 95° (1998) 0.1" NA
Sep 13 50° 76° 28° (1974) 97° (1990) 0.1" NA
Sep 14 49° 75° 32° (1961) 97° (1990) 0.1" NA
Sep 15 49° 75° 34° (1961) 90° (1969) 0.1" NA
Sep 16 49° 75° 35° (1965) 89° (1972) 0.1" NA
Sep 17 48° 74° 31° (1965) 95° (2000) 0.1" NA
Sep 18 48° 74° 32° (1965) 96° (2000) 0.1" NA
Sep 19 48° 73° 29° (1991) 93° (1972) 0.1" NA
Sep 20 47° 73° 29° (1991) 99° (1984) 0.1" NA
Sep 21 47° 73° 33° (1982) 90° (1980) 0.1" NA
Sep 22 46° 72° 25° (1995) 88° (1958) 0.1" NA
Sep 23 46° 72° 24° (1995) 89° (1958) 0.1" NA
Sep 24 45° 72° 19° (1965) 89° (2003) 0.1" NA
Sep 25 45° 71° 29° (1961) 93° (1990) 0.1" NA
Sep 26 45° 71° 24° (1965) 97° (1974) 0.09" NA
Sep 27 44° 71° 27° (1964) 97° (1956) 0.09" NA
Sep 28 44° 70° 25° (1976) 93° (1956) 0.09" NA
Sep 29 43° 70° 30° (1976) 88° (1970) 0.09" NA
Sep 30 43° 70° 22° (1974) 92° (1991) 0.09" NA
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