Mount Rushmore Natl Memorial, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 36° -38° (1963) 68° (1981) 0.38" 5.7"
February 19° 37° -29° (1989) 68° (1982) 0.7" 6.8"
March 25° 43° -12° (1965) 78° (1968) 1.19" 8.7"
April 32° 51° 1° (1975) 85° (1989) 2.23" 12"
May 42° 61° 14° (1967) 93° (1969) 4.22" 1.2"
June 51° 71° 27° (1981) 99° (1970) 3.41" 0.1"
July 59° 79° 35° (1986) 100° (2006) 2.9" 0"
August 58° 78° 33° (1968) 99° (1973) 1.99" 0"
September 48° 68° 19° (1985) 97° (1978) 1.81" 0.7"
October 37° 55° 1° (1991) 84° (1976) 1.68" 3.7"
November 26° 43° -12° (1985) 75° (1975) 0.62" 8"
December 18° 35° -31° (1983) 67° (1997) 0.43" 5.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 20° 37° -12° (1985) 61° (1969) 0.01" 0.2"
Dec 2 20° 36° -12° (1985) 66° (1988) 0.02" 0.1"
Dec 3 19° 36° -5° (1972) 61° (1975) 0.02" 0.2"
Dec 4 19° 36° -10° (1972) 65° (1965) 0.01" 0.2"
Dec 5 19° 36° -15° (1972) 57° (1963) 0.02" 0.2"
Dec 6 19° 35° -14° (1972) 58° (1984) 0.01" 0.1"
Dec 7 18° 35° -13° (1972) 63° (1984) 0.02" 0.2"
Dec 8 18° 35° -20° (1972) 61° (2006) 0.01" 0.1"
Dec 9 18° 35° -17° (1972) 60° (1990) 0.02" 0.2"
Dec 10 18° 35° -8° (1977) 61° (1981) 0.01" 0.2"
Dec 11 18° 35° -7° (2000) 64° (1993) 0.01" 0.1"
Dec 12 18° 35° -5° (2000) 53° (1993) 0.02" 0.2"
Dec 13 18° 35° -7° (1963) 55° (1976) 0.01" 0.1"
Dec 14 18° 35° -16° (2008) 67° (1997) 0.01" 0.2"
Dec 15 18° 35° -18° (2008) 56° (1969) 0.01" 0.2"
Dec 16 18° 35° -15° (1964) 58° (1962) 0.02" 0.2"
Dec 17 18° 35° -24° (1964) 64° (1976) 0.01" 0.1"
Dec 18 18° 35° -13° (1983) 65° (1979) 0.01" 0.2"
Dec 19 18° 35° -16° (1990) 59° (1979) 0.02" 0.2"
Dec 20 18° 35° -22° (1990) 60° (2003) 0.01" 0.1"
Dec 21 18° 35° -31° (1983) 59° (1994) 0.01" 0.2"
Dec 22 18° 35° -23° (1989) 55° (1971) 0.02" 0.2"
Dec 23 18° 35° -23° (1983) 60° (1994) 0.01" 0.2"
Dec 24 18° 35° -28° (1983) 55° (1999) 0.01" 0.2"
Dec 25 18° 35° -14° (1983) 57° (2005) 0.02" 0.2"
Dec 26 18° 36° -8° (1996) 55° (1980) 0.01" 0.2"
Dec 27 18° 36° -5° (1988) 65° (1980) 0.02" 0.2"
Dec 28 18° 36° -8° (1992) 62° (1980) 0.01" 0.2"
Dec 29 18° 36° -21° (1990) 54° (1999) 0.01" 0.2"
Dec 30 18° 36° -27° (1990) 57° (1980) 0.02" 0.2"
Dec 31 18° 36° -25° (1968) 54° (1996) 0.01" 0.2"
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