Lower Brule, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -36° (1982) 65° (1987) 0.44" 4.3"
February 32° -40° (1994) 72° (2000) 0.56" 8.1"
March 19° 43° -25° (1960) 85° (1988) 1.23" 8.4"
April 31° 58° -1° (1975) 99° (1980) 1.83" 4.2"
May 43° 69° 13° (1967) 103° (1969) 3.04" 0.4"
June 54° 79° 29° (1964) 110° (1988) 3.42" 0"
July 59° 86° 32° (1964) 111° (2006) 2.91" 0"
August 57° 85° 31° (1986) 112° (1965) 2.16" 0"
September 46° 75° 17° (1974) 107° (1983) 2.13" 0.1"
October 33° 60° 2° (1991) 95° (1997) 1.72" 0.9"
November 19° 43° -22° (1959) 82° (1999) 0.7" 4.9"
December 29° -32° (1990) 70° (1998) 0.48" 6.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 53° 81° 36° (1965) 104° (1983) 0.07" 0"
Sep 2 52° 81° 38° (1972) 107° (1983) 0.07" 0"
Sep 3 52° 80° 32° (1974) 104° (1983) 0.06" 0"
Sep 4 52° 80° 32° (1961) 101° (1978) 0.07" 0"
Sep 5 51° 80° 30° (1962) 106° (1978) 0.07" 0"
Sep 6 51° 79° 37° (1986) 106° (1976) 0.07" 0"
Sep 7 50° 79° 39° (1965) 101° (1978) 0.07" 0"
Sep 8 50° 79° 30° (1986) 100° (1959) 0.07" 0"
Sep 9 49° 78° 36° (2001) 100° (1979) 0.08" 0"
Sep 10 49° 78° 30° (1959) 102° (1978) 0.07" 0"
Sep 11 48° 77° 33° (1989) 97° (1962) 0.07" 0"
Sep 12 48° 77° 33° (1960) 99° (1981) 0.08" 0"
Sep 13 47° 77° 32° (1986) 96° (2004) 0.07" 0"
Sep 14 47° 76° 27° (2007) 97° (1969) 0.07" 0"
Sep 15 46° 76° 28° (1961) 92° (1995) 0.07" 0"
Sep 16 46° 75° 32° (1973) 94° (1979) 0.06" 0"
Sep 17 45° 75° 29° (1981) 96° (1988) 0.07" 0.1"
Sep 18 45° 74° 31° (1971) 97° (1984) 0.07" 0"
Sep 19 44° 74° 21° (1991) 99° (1984) 0.07" 0"
Sep 20 44° 73° 27° (1962) 95° (1984) 0.07" 0"
Sep 21 43° 73° 19° (1983) 93° (1984) 0.07" 0"
Sep 22 43° 72° 20° (1983) 90° (1984) 0.08" 0"
Sep 23 42° 72° 20° (1983) 89° (1967) 0.07" 0"
Sep 24 42° 71° 22° (1965) 94° (2007) 0.08" 0"
Sep 25 41° 71° 24° (1965) 91° (1974) 0.07" 0"
Sep 26 41° 70° 20° (1984) 99° (1974) 0.08" 0"
Sep 27 40° 70° 23° (1984) 95° (1983) 0.07" 0"
Sep 28 40° 69° 21° (1974) 87° (1981) 0.07" 0"
Sep 29 40° 69° 20° (1984) 90° (1991) 0.07" 0"
Sep 30 39° 68° 17° (1974) 95° (1989) 0.07" 0"
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