Custer, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 37° -43° (1963) 68° (1981) 0.33" 6.4"
February 17° 38° -34° (1962) 68° (1958) 0.7" 10.3"
March 22° 45° -30° (1956) 72° (1946) 1.03" 12"
April 29° 53° -15° (1966) 84° (1989) 2.04" 10.6"
May 39° 62° 5° (1954) 90° (1969) 3.58" 1.2"
June 47° 72° 19° (1951) 97° (1954) 2.83" 0"
July 54° 80° 30° (1971) 100° (1954) 2.75" 0"
August 53° 79° 22° (1966) 96° (1988) 2.33" 0"
September 43° 70° 8° (1961) 97° (1971) 1.67" 0.2"
October 32° 57° -5° (1991) 85° (1963) 1.47" 3.6"
November 23° 44° -25° (1952) 76° (1975) 0.58" 6.1"
December 15° 36° -37° (1964) 68° (1979) 0.37" 5.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 43° 67° 27° (1951) 82° (1972) 0.11" 0"
Jun 2 43° 67° 22° (1969) 82° (1966) 0.12" 0"
Jun 3 44° 67° 20° (1951) 91° (1977) 0.11" 0"
Jun 4 44° 68° 19° (1951) 87° (1968) 0.11" 0"
Jun 5 44° 68° 27° (1962) 89° (1977) 0.11" 0"
Jun 6 45° 68° 24° (1944) 88° (1969) 0.11" 0"
Jun 7 45° 69° 29° (1965) 89° (2000) 0.1" 0"
Jun 8 45° 69° 29° (1954) 90° (1988) 0.11" 0"
Jun 9 45° 69° 24° (1966) 93° (2000) 0.1" 0"
Jun 10 46° 70° 28° (1950) 89° (1988) 0.11" 0"
Jun 11 46° 70° 27° (1985) 88° (1953) 0.11" 0"
Jun 12 46° 70° 31° (1954) 92° (1956) 0.1" 0"
Jun 13 46° 71° 28° (1947) 90° (1956) 0.1" 0"
Jun 14 47° 71° 22° (1969) 88° (1956) 0.1" 0"
Jun 15 47° 71° 27° (1969) 92° (1956) 0.09" 0"
Jun 16 47° 72° 27° (1966) 89° (1989) 0.1" 0"
Jun 17 48° 72° 28° (1966) 88° (1953) 0.09" 0"
Jun 18 48° 73° 29° (1945) 90° (1988) 0.09" 0"
Jun 19 48° 73° 26° (1946) 95° (1989) 0.08" 0"
Jun 20 49° 73° 30° (1946) 90° (1988) 0.09" 0"
Jun 21 49° 74° 30° (1972) 94° (1974) 0.08" 0"
Jun 22 49° 74° 28° (1960) 89° (1988) 0.08" 0"
Jun 23 49° 74° 35° (1964) 97° (1954) 0.08" 0"
Jun 24 50° 75° 32° (1960) 96° (1988) 0.08" 0"
Jun 25 50° 75° 27° (1958) 92° (2007) 0.08" 0"
Jun 26 50° 76° 29° (1958) 92° (1990) 0.08" 0"
Jun 27 51° 76° 32° (1985) 95° (1974) 0.08" 0"
Jun 28 51° 76° 32° (1951) 92° (2002) 0.08" 0"
Jun 29 51° 77° 36° (1950) 95° (2002) 0.07" 0"
Jun 30 51° 77° 32° (1954) 95° (1961) 0.08" 0"
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