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 16° 33° -38° (1963) 68° (1981) 0.38" 5.1"
February 19° 36° -29° (1989) 68° (1982) 0.55" 6.6"
March 23° 42° -12° (1965) 78° (1968) 1.17" 8.3"
April 31° 50° 1° (1975) 85° (1989) 2.21" 10.1"
May 41° 61° 14° (1967) 93° (1969) 3.95" 1.9"
June 51° 72° 27° (1981) 99° (1970) 3.74" 0.2"
July 58° 79° 35° (1986) 100° (2006) 3.16" 0"
August 58° 77° 33° (1968) 99° (1973) 2.04" 0"
September 49° 67° 19° (1985) 97° (1978) 1.55" 0.7"
October 37° 55° 1° (1991) 84° (1976) 1.58" 2.3"
November 25° 41° -12° (1985) 75° (1975) 0.64" 7.2"
December 18° 34° -31° (1983) 67° (1997) 0.46" 6.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 46° 67° 32° (1984) 83° (1973) 0.13" NA
Jun 2 47° 67° 32° (1984) 90° (1977) 0.13" NA
Jun 3 47° 67° 30° (1998) 88° (1968) 0.13" NA
Jun 4 47° 68° 31° (1998) 90° (1980) 0.13" NA
Jun 5 48° 68° 33° (1998) 91° (1969) 0.13" NA
Jun 6 48° 68° 37° (1998) 93° (1969) 0.13" NA
Jun 7 48° 69° 36° (1979) 92° (1988) 0.13" NA
Jun 8 49° 69° 32° (1995) 94° (2000) 0.13" NA
Jun 9 49° 69° 31° (1979) 92° (1976) 0.13" NA
Jun 10 49° 70° 35° (1995) 90° (1976) 0.13" NA
Jun 11 50° 70° 34° (1985) 89° (1976) 0.13" NA
Jun 12 50° 71° 32° (1969) 87° (1979) 0.13" NA
Jun 13 50° 71° 29° (1969) 93° (1979) 0.13" NA
Jun 14 51° 71° 32° (1969) 93° (1979) 0.13" NA
Jun 15 51° 71° 34° (1976) 87° (1995) 0.12" NA
Jun 16 51° 72° 27° (1981) 93° (1989) 0.12" NA
Jun 17 51° 72° 39° (2004) 92° (1989) 0.12" NA
Jun 18 52° 72° 34° (1973) 91° (1986) 0.12" NA
Jun 19 52° 73° 39° (1972) 97° (1989) 0.12" NA
Jun 20 52° 73° 36° (1972) 96° (1974) 0.12" NA
Jun 21 53° 73° 40° (1973) 94° (1974) 0.12" NA
Jun 22 53° 74° 44° (1989) 90° (1988) 0.12" NA
Jun 23 53° 74° 37° (1967) 93° (2001) 0.12" NA
Jun 24 53° 74° 38° (1967) 97° (1988) 0.12" NA
Jun 25 54° 75° 38° (2003) 91° (1977) 0.12" NA
Jun 26 54° 75° 39° (1985) 98° (1974) 0.12" NA
Jun 27 54° 75° 41° (1985) 99° (1970) 0.12" NA
Jun 28 55° 75° 40° (1985) 96° (1966) 0.12" NA
Jun 29 55° 76° 41° (1985) 99° (1970) 0.12" NA
Jun 30 55° 76° 39° (1995) 93° (1966) 0.12" NA
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