Fort Thompson, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° -36° (1982) 65° (1987) 0.41" NA
February 31° -40° (1994) 72° (2000) 0.5" NA
March 18° 43° -25° (1960) 85° (1988) 1.31" NA
April 31° 58° -1° (1975) 99° (1980) 1.98" NA
May 43° 70° 13° (1967) 103° (1969) 2.95" NA
June 53° 80° 29° (1964) 110° (1988) 2.95" NA
July 58° 87° 32° (1964) 111° (2006) 2.62" NA
August 56° 85° 31° (1986) 112° (1965) 2.07" NA
September 46° 75° 17° (1974) 107° (1983) 1.77" NA
October 32° 61° 2° (1991) 95° (1997) 1.75" NA
November 17° 41° -22° (1959) 82° (1999) 0.65" NA
December 28° -32° (1990) 70° (1998) 0.41" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 24° 50° 0° (1984) 82° (1990) 0.04" NA
Nov 2 24° 50° -1° (1966) 76° (1965) 0.04" NA
Nov 3 23° 49° 0° (1991) 74° (1978) 0.04" NA
Nov 4 23° 48° -4° (1991) 75° (1978) 0.03" NA
Nov 5 22° 47° 6° (1982) 78° (1975) 0.03" NA
Nov 6 22° 47° -7° (1959) 79° (2001) 0.03" NA
Nov 7 21° 46° -8° (1991) 71° (2004) 0.03" NA
Nov 8 20° 45° 0° (1966) 75° (2006) 0.03" NA
Nov 9 20° 45° -2° (1966) 82° (1999) 0.03" NA
Nov 10 19° 44° -10° (1986) 67° (1989) 0.03" NA
Nov 11 19° 43° -10° (1986) 67° (1981) 0.02" NA
Nov 12 19° 43° -4° (1966) 70° (1981) 0.02" NA
Nov 13 18° 42° -8° (1986) 72° (1999) 0.02" NA
Nov 14 18° 41° -22° (1959) 74° (1999) 0.02" NA
Nov 15 17° 41° -5° (1959) 67° (1975) 0.02" NA
Nov 16 17° 40° -14° (1959) 71° (1999) 0.02" NA
Nov 17 16° 40° -9° (1959) 74° (2001) 0.02" NA
Nov 18 16° 39° 0° (1996) 70° (2001) 0.02" NA
Nov 19 15° 38° 4° (1978) 68° (1989) 0.02" NA
Nov 20 15° 38° -12° (1964) 74° (1962) 0.02" NA
Nov 21 14° 37° -10° (1964) 70° (1960) 0.02" NA
Nov 22 14° 37° 0° (1964) 67° (1974) 0.02" NA
Nov 23 13° 36° -10° (1985) 70° (2006) 0.01" NA
Nov 24 13° 36° -17° (1985) 67° (1990) 0.01" NA
Nov 25 12° 35° -12° (1977) 70° (1960) 0.01" NA
Nov 26 12° 35° -8° (1977) 64° (1998) 0.01" NA
Nov 27 12° 34° -14° (1985) 65° (1998) 0.01" NA
Nov 28 11° 34° -12° (1976) 60° (1986) 0.01" NA
Nov 29 11° 34° -12° (1964) 62° (1998) 0.01" NA
Nov 30 10° 33° -17° (1964) 57° (1982) 0.01" NA
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