Isabel, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -36° (1966) 66° (1981) 0.43" 5.6"
February 12° 33° -35° (1996) 70° (1992) 0.62" 6.7"
March 22° 43° -25° (1962) 80° (1963) 1.15" 7.6"
April 33° 59° -1° (1975) 95° (1992) 1.7" 5.3"
May 44° 70° 16° (1967) 100° (1969) 2.84" 0.2"
June 54° 79° 32° (1951) 108° (2002) 3.3" 0"
July 60° 86° 39° (1959) 112° (2006) 2.62" 0"
August 58° 85° 35° (1964) 107° (1988) 1.71" 0"
September 47° 75° 19° (1974) 105° (1948) 1.44" 0.1"
October 35° 59° -6° (1991) 94° (1953) 1.56" 1.1"
November 21° 42° -20° (1985) 77° (1999) 0.61" 5.9"
December 10° 30° -34° (1989) 70° (1965) 0.48" 7.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 27° -23° (1979) 57° (1998) 0.02" 0.2"
Jan 2 27° -20° (1968) 55° (1962) 0.01" 0.2"
Jan 3 27° -19° (1950) 59° (1962) 0.02" 0.2"
Jan 4 27° -29° (1950) 48° (1987) 0.01" 0.3"
Jan 5 27° -26° (1988) 50° (1983) 0.02" 0.2"
Jan 6 28° -22° (1988) 54° (1954) 0.01" 0.2"
Jan 7 28° -25° (1994) 55° (2003) 0.02" 0.2"
Jan 8 28° -24° (2010) 62° (1958) 0.01" 0.2"
Jan 9 28° -23° (1977) 51° (1958) 0.02" 0.2"
Jan 10 28° -29° (1982) 55° (1990) 0.01" 0.2"
Jan 11 28° -22° (1971) 59° (1987) 0.02" 0.2"
Jan 12 28° -22° (1964) 64° (1987) 0.01" 0.1"
Jan 13 28° -23° (1979) 55° (1983) 0.01" 0.2"
Jan 14 28° -30° (1972) 50° (1983) 0.02" 0.2"
Jan 15 28° -32° (1972) 49° (1974) 0.01" 0.1"
Jan 16 28° -26° (1978) 58° (1974) 0.01" 0.2"
Jan 17 28° -20° (1962) 56° (1974) 0.01" 0.2"
Jan 18 28° -28° (1970) 47° (2005) 0.02" 0.1"
Jan 19 28° -29° (1963) 57° (1974) 0.01" 0.2"
Jan 20 28° -31° (1954) 63° (1964) 0.01" 0.2"
Jan 21 28° -30° (1949) 54° (1981) 0.01" 0.1"
Jan 22 28° -19° (1954) 59° (1981) 0.02" 0.2"
Jan 23 29° -25° (1963) 66° (1981) 0.01" 0.1"
Jan 24 29° -25° (1961) 60° (2005) 0.01" 0.2"
Jan 25 29° -25° (1950) 56° (2007) 0.01" 0.2"
Jan 26 29° -30° (1950) 50° (1990) 0.02" 0.2"
Jan 27 29° -27° (1948) 48° (1998) 0.01" 0.1"
Jan 28 29° -29° (1972) 51° (1988) 0.02" 0.2"
Jan 29 29° -36° (1966) 52° (1988) 0.01" 0.2"
Jan 30 29° -29° (1996) 51° (1960) 0.02" 0.1"
Jan 31 29° -23° (1996) 59° (1992) 0.01" 0.2"
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