Mason, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 39° -35° (1950) 72° (2005) 0.36" NA
February 15° 41° -32° (1989) 73° (2005) 0.48" NA
March 23° 50° -30° (1960) 82° (1978) 1.16" NA
April 33° 62° -1° (1975) 93° (1980) 1.98" NA
May 43° 70° 15° (1954) 97° (1980) 3.1" NA
June 52° 81° 29° (1951) 106° (1970) 2.81" NA
July 58° 89° 37° (1950) 110° (1981) 2" NA
August 56° 88° 36° (1993) 108° (1975) 1.42" NA
September 45° 78° 18° (1995) 107° (1978) 1.52" NA
October 34° 64° -12° (1991) 94° (1963) 1.61" NA
November 23° 48° -26° (1959) 83° (1999) 0.77" NA
December 13° 38° -44° (1989) 74° (1979) 0.63" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 29° 56° 6° (1972) 80° (1999) 0.03" NA
Nov 2 28° 55° 0° (1991) 79° (1965) 0.03" NA
Nov 3 28° 55° -5° (1991) 74° (1975) 0.03" NA
Nov 4 27° 54° 7° (1991) 80° (1975) 0.03" NA
Nov 5 27° 54° -8° (2003) 76° (1969) 0.03" NA
Nov 6 27° 53° -9° (1959) 79° (1999) 0.03" NA
Nov 7 26° 53° -2° (1991) 83° (1999) 0.03" NA
Nov 8 26° 52° 10° (2003) 80° (1999) 0.03" NA
Nov 9 25° 51° -14° (1966) 75° (1999) 0.03" NA
Nov 10 25° 51° -3° (1986) 72° (1954) 0.03" NA
Nov 11 25° 50° -5° (1986) 71° (2005) 0.02" NA
Nov 12 24° 50° -5° (1986) 78° (1999) 0.03" NA
Nov 13 24° 49° -16° (1986) 74° (1999) 0.02" NA
Nov 14 23° 48° -26° (1959) 76° (1975) 0.03" NA
Nov 15 23° 48° -8° (1955) 74° (1953) 0.02" NA
Nov 16 22° 47° -14° (1959) 74° (1953) 0.02" NA
Nov 17 22° 47° -13° (1955) 73° (1953) 0.03" NA
Nov 18 22° 46° -7° (1955) 76° (2008) 0.02" NA
Nov 19 21° 46° -6° (1994) 74° (1989) 0.03" NA
Nov 20 21° 45° -2° (1978) 68° (1962) 0.02" NA
Nov 21 20° 45° -14° (1977) 71° (1974) 0.03" NA
Nov 22 20° 44° 2° (1975) 66° (2002) 0.02" NA
Nov 23 19° 44° -15° (2010) 65° (1988) 0.03" NA
Nov 24 19° 43° -9° (1950) 70° (1990) 0.02" NA
Nov 25 19° 43° -9° (2010) 74° (1960) 0.02" NA
Nov 26 18° 42° -13° (1952) 72° (1998) 0.02" NA
Nov 27 18° 42° -7° (1976) 70° (1949) 0.02" NA
Nov 28 17° 41° -14° (1976) 67° (1949) 0.03" NA
Nov 29 17° 41° -20° (1964) 65° (1973) 0.02" NA
Nov 30 17° 41° -11° (1964) 64° (1969) 0.02" NA
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