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) 0.62" 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
May 1 40° 63° 26° (1966) 95° (1959) 0.13" NA
May 2 40° 64° 19° (1967) 93° (1981) 0.13" NA
May 3 41° 64° 18° (1967) 90° (1959) 0.13" NA
May 4 41° 64° 24° (1967) 90° (1966) 0.13" NA
May 5 42° 65° 30° (1968) 87° (2000) 0.14" NA
May 6 42° 65° 24° (1976) 99° (2004) 0.14" NA
May 7 42° 66° 26° (1989) 92° (1963) 0.14" NA
May 8 43° 66° 20° (1980) 87° (1963) 0.14" NA
May 9 43° 66° 27° (1966) 88° (1982) 0.14" NA
May 10 44° 67° 28° (1981) 90° (2004) 0.14" NA
May 11 44° 67° 29° (1979) 88° (1958) 0.14" NA
May 12 45° 68° 31° (1971) 85° (1977) 0.14" NA
May 13 45° 68° 24° (1966) 86° (1965) 0.14" NA
May 14 45° 68° 28° (1959) 90° (1977) 0.15" NA
May 15 46° 69° 23° (1959) 95° (2001) 0.15" NA
May 16 46° 69° 32° (1997) 95° (2001) 0.15" NA
May 17 46° 69° 34° (1976) 94° (1964) 0.15" NA
May 18 47° 70° 33° (1968) 90° (1964) 0.15" NA
May 19 47° 70° 34° (1968) 90° (1975) 0.15" NA
May 20 48° 70° 33° (2003) 87° (1975) 0.15" NA
May 21 48° 71° 29° (1963) 94° (1964) 0.15" NA
May 22 48° 71° 25° (1963) 94° (1967) 0.15" NA
May 23 49° 71° 32° (1959) 93° (1967) 0.15" NA
May 24 49° 72° 31° (2002) 94° (1967) 0.15" NA
May 25 49° 72° 32° (2002) 102° (1967) 0.14" NA
May 26 50° 73° 32° (1992) 99° (1967) 0.14" NA
May 27 50° 73° 33° (1992) 96° (1983) 0.14" NA
May 28 50° 73° 29° (1965) 93° (1979) 0.14" NA
May 29 51° 74° 37° (1992) 92° (1979) 0.14" NA
May 30 51° 74° 39° (1975) 91° (2002) 0.14" NA
May 31 51° 74° 39° (1964) 91° (2002) 0.14" NA
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