Grenville, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° -35° (1972) 62° (1981) 0.56" 6.3"
February 28° -43° (1994) 63° (1958) 0.5" 6.3"
March 19° 39° -25° (1962) 79° (1963) 1.06" 6.4"
April 33° 56° -3° (1975) 94° (1980) 1.74" 3"
May 46° 70° 19° (1967) 96° (1959) 2.61" 0.1"
June 56° 78° 33° (1990) 105° (1963) 3.45" 0"
July 61° 83° 41° (1971) 104° (1976) 3.37" 0"
August 60° 82° 38° (1982) 104° (1988) 2.86" 0"
September 50° 73° 22° (1965) 97° (1976) 1.86" 0.1"
October 38° 59° 8° (1984) 91° (1993) 1.77" 0.7"
November 22° 38° -23° (1985) 75° (1975) 0.8" 5"
December 25° -34° (1983) 58° (2006) 0.37" 5.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 14° 30° -16° (1960) 58° (1969) 0.02" NA
Dec 2 13° 30° -16° (1985) 55° (1998) 0.02" NA
Dec 3 13° 29° -17° (1985) 55° (1998) 0.02" NA
Dec 4 12° 29° -13° (1991) 49° (2001) 0.01" NA
Dec 5 12° 28° -10° (1972) 50° (1967) 0.01" NA
Dec 6 11° 28° -27° (1972) 47° (1963) 0.01" NA
Dec 7 11° 28° -25° (1972) 50° (1965) 0.01" NA
Dec 8 10° 27° -21° (1976) 53° (1990) 0.01" NA
Dec 9 10° 27° -23° (1977) 58° (2006) 0.01" NA
Dec 10 10° 27° -27° (1972) 56° (1990) 0.01" NA
Dec 11 26° -14° (1961) 46° (1967) 0.01" NA
Dec 12 26° -16° (2000) 52° (1980) 0.01" NA
Dec 13 26° -18° (1961) 50° (1998) 0.01" NA
Dec 14 25° -24° (1989) 52° (1998) 0.01" NA
Dec 15 25° -23° (1963) 47° (1962) 0.01" NA
Dec 16 25° -24° (1972) 53° (1962) 0.01" NA
Dec 17 25° -22° (1983) 54° (1962) 0.01" NA
Dec 18 24° -23° (1981) 48° (1962) 0.01" NA
Dec 19 24° -30° (1983) 51° (1979) 0.01" NA
Dec 20 24° -24° (1983) 49° (1956) 0.01" NA
Dec 21 23° -31° (1989) 47° (1979) 0.01" NA
Dec 22 23° -31° (1989) 48° (1957) 0.01" NA
Dec 23 23° -34° (1983) 48° (1986) 0.01" NA
Dec 24 23° -29° (1983) 43° (1957) 0.01" NA
Dec 25 23° -25° (1996) 47° (1994) 0.01" NA
Dec 26 22° -26° (1990) 47° (1994) 0.01" NA
Dec 27 22° -26° (1993) 42° (1956) 0.01" NA
Dec 28 22° -26° (1993) 47° (1980) 0.01" NA
Dec 29 22° -18° (1990) 54° (1999) 0.02" NA
Dec 30 21° -28° (1990) 49° (1999) 0.02" NA
Dec 31 21° -31° (1967) 44° (1980) 0.02" NA
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