Rumpus Ridge, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -31° (1974) 68° (1981) 0.63" 6.9"
February 12° 32° -30° (1994) 72° (1981) 0.58" 5.6"
March 23° 43° -25° (1960) 86° (1968) 1.63" 6.5"
April 36° 59° 6° (1982) 98° (1962) 3.05" 3.5"
May 48° 70° 19° (1967) 102° (1967) 3.41" 0.4"
June 58° 79° 35° (1964) 107° (1988) 4.17" 0"
July 63° 85° 39° (1971) 108° (1990) 3.07" 0"
August 60° 82° 37° (1950) 106° (1988) 2.9" 0"
September 50° 74° 22° (1984) 104° (1970) 2.71" 0.1"
October 36° 60° 11° (1991) 95° (1963) 2.36" 0.8"
November 24° 44° -20° (1991) 81° (1999) 1.35" 4.5"
December 10° 29° -30° (1983) 68° (1998) 0.64" 7.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 16° 34° -7° (1983) 60° (1962) 0.02" 0.2"
Dec 2 15° 34° -11° (1985) 65° (1998) 0.03" 0.3"
Dec 3 15° 33° -11° (1980) 68° (1998) 0.02" 0.2"
Dec 4 14° 33° -12° (1978) 64° (1998) 0.03" 0.2"
Dec 5 14° 32° -6° (1950) 56° (1963) 0.02" 0.3"
Dec 6 14° 32° -19° (1972) 57° (1963) 0.02" 0.3"
Dec 7 13° 31° -15° (1976) 52° (1952) 0.02" 0.2"
Dec 8 13° 31° -24° (1976) 62° (1984) 0.02" 0.3"
Dec 9 12° 31° -20° (1976) 61° (1957) 0.02" 0.2"
Dec 10 12° 30° -14° (1966) 55° (1990) 0.02" 0.3"
Dec 11 11° 30° -9° (1962) 59° (1968) 0.02" 0.2"
Dec 12 11° 29° -16° (1962) 51° (1957) 0.02" 0.3"
Dec 13 11° 29° -17° (1985) 54° (1957) 0.02" 0.3"
Dec 14 10° 29° -17° (1985) 56° (1960) 0.02" 0.3"
Dec 15 10° 29° -18° (1951) 61° (1998) 0.02" 0.2"
Dec 16 10° 28° -17° (1989) 59° (1962) 0.02" 0.3"
Dec 17 28° -20° (1983) 58° (1962) 0.02" 0.3"
Dec 18 28° -24° (1985) 55° (1962) 0.01" 0.2"
Dec 19 28° -28° (1983) 52° (1979) 0.02" 0.3"
Dec 20 27° -24° (1983) 50° (1988) 0.02" 0.2"
Dec 21 27° -27° (1989) 52° (1957) 0.02" 0.3"
Dec 22 27° -28° (1989) 57° (1972) 0.02" 0.3"
Dec 23 27° -28° (1983) 53° (1950) 0.02" 0.3"
Dec 24 27° -30° (1983) 46° (1957) 0.02" 0.2"
Dec 25 27° -22° (1983) 50° (1963) 0.02" 0.3"
Dec 26 27° -20° (1996) 50° (1956) 0.02" 0.2"
Dec 27 27° -20° (1996) 53° (1958) 0.03" 0.3"
Dec 28 27° -10° (1993) 46° (1976) 0.02" 0.2"
Dec 29 26° -16° (1990) 51° (1999) 0.02" 0.2"
Dec 30 26° -22° (1990) 57° (1999) 0.02" 0.3"
Dec 31 26° -24° (1973) 50° (1999) 0.02" 0.2"
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