Dempster, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° -37° (1988) 66° (1981) 0.66" 4.6"
February 27° -44° (1994) 67° (1958) 0.55" 4.9"
March 18° 39° -29° (1948) 81° (1967) 1.38" 5.4"
April 31° 55° -4° (1975) 97° (1980) 2.16" 2.6"
May 44° 68° 12° (1967) 98° (1967) 3.02" 0.4"
June 54° 77° 30° (1964) 104° (1988) 4.04" 0"
July 59° 82° 34° (1971) 107° (1966) 3.59" 0"
August 56° 80° 31° (1987) 104° (1988) 3.08" 0"
September 45° 71° 17° (2003) 101° (1976) 3.16" 0"
October 32° 57° 8° (1991) 90° (1992) 2.01" 0"
November 19° 39° -23° (1964) 79° (1999) 0.95" 3.2"
December 25° -36° (1967) 59° (1962) 0.54" 7.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 11° 30° -8° (1960) 59° (1962) 0.02" 0.2"
Dec 2 11° 29° -16° (1985) 55° (1961) 0.02" 0.2"
Dec 3 10° 29° -18° (1985) 57° (1962) 0.02" 0.2"
Dec 4 10° 28° -14° (1991) 52° (1998) 0.02" 0.2"
Dec 5 28° -25° (2005) 50° (1967) 0.02" 0.2"
Dec 6 28° -27° (1972) 54° (1988) 0.02" 0.3"
Dec 7 27° -22° (1972) 50° (1965) 0.02" 0.3"
Dec 8 27° -23° (1976) 50° (1984) 0.03" 0.2"
Dec 9 26° -25° (1955) 58° (1990) 0.02" 0.3"
Dec 10 26° -20° (1972) 58° (1990) 0.02" 0.3"
Dec 11 26° -20° (1955) 56° (1968) 0.01" 0.2"
Dec 12 25° -20° (1962) 46° (1980) 0.02" 0.3"
Dec 13 25° -25° (1961) 47° (2002) 0.02" 0.3"
Dec 14 25° -25° (1989) 54° (2002) 0.02" 0.2"
Dec 15 25° -23° (2009) 52° (2002) 0.01" 0.3"
Dec 16 24° -22° (1951) 57° (1962) 0.02" 0.2"
Dec 17 24° -20° (1981) 51° (1986) 0.02" 0.3"
Dec 18 24° -24° (1989) 54° (1962) 0.01" 0.2"
Dec 19 24° -30° (1955) 52° (1979) 0.02" 0.2"
Dec 20 23° -25° (1989) 51° (1988) 0.01" 0.2"
Dec 21 23° -30° (1989) 52° (1979) 0.02" 0.3"
Dec 22 23° -29° (1989) 49° (1957) 0.01" 0.2"
Dec 23 23° -28° (1983) 46° (1986) 0.01" 0.2"
Dec 24 23° -26° (1983) 43° (1986) 0.02" 0.2"
Dec 25 23° -18° (1983) 46° (1991) 0.01" 0.3"
Dec 26 22° -28° (1990) 45° (1956) 0.02" 0.2"
Dec 27 22° -28° (1996) 47° (2006) 0.02" 0.2"
Dec 28 22° -33° (1993) 45° (1994) 0.01" 0.3"
Dec 29 22° -18° (1990) 47° (2002) 0.02" 0.2"
Dec 30 22° -29° (1990) 54° (1999) 0.01" 0.2"
Dec 31 22° -36° (1967) 53° (2004) 0.02" 0.3"
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