Nisland, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° -36° (1949) 69° (2005) 0.38" NA
February 14° 36° -35° (1994) 75° (1982) 0.44" NA
March 22° 45° -26° (1960) 83° (2007) 0.94" NA
April 32° 58° 2° (1997) 92° (1980) 1.69" NA
May 43° 68° 12° (1950) 97° (1969) 2.7" NA
June 53° 79° 32° (1969) 109° (2002) 2.8" NA
July 59° 87° 36° (1959) 110° (1973) 1.91" NA
August 57° 86° 36° (1964) 108° (1975) 1.3" NA
September 46° 76° 19° (1984) 106° (1978) 0.99" NA
October 33° 62° -10° (1991) 95° (1953) 1.4" NA
November 20° 44° -24° (1959) 81° (1999) 0.58" NA
December 10° 34° -38° (1989) 69° (1998) 0.35" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 38° 63° 12° (1950) 91° (1992) 0.07" NA
May 2 38° 64° 18° (1954) 90° (1955) 0.07" NA
May 3 39° 64° 15° (1954) 86° (1957) 0.08" NA
May 4 39° 64° 25° (1967) 94° (1952) 0.08" NA
May 5 39° 65° 26° (1967) 91° (1966) 0.08" NA
May 6 40° 65° 27° (1951) 83° (1966) 0.08" NA
May 7 40° 65° 28° (1960) 87° (1992) 0.08" NA
May 8 41° 66° 25° (1954) 92° (1992) 0.08" NA
May 9 41° 66° 23° (1968) 88° (1992) 0.08" NA
May 10 41° 66° 26° (1990) 88° (1987) 0.08" NA
May 11 42° 67° 20° (1968) 92° (1961) 0.08" NA
May 12 42° 67° 23° (1953) 86° (1958) 0.08" NA
May 13 42° 67° 26° (1953) 89° (1960) 0.09" NA
May 14 43° 68° 24° (1973) 94° (2001) 0.09" NA
May 15 43° 68° 27° (1983) 87° (1976) 0.09" NA
May 16 43° 68° 32° (1974) 95° (1987) 0.09" NA
May 17 44° 69° 30° (1969) 91° (1979) 0.09" NA
May 18 44° 69° 31° (2000) 92° (1988) 0.09" NA
May 19 44° 69° 32° (1971) 92° (1948) 0.09" NA
May 20 45° 70° 26° (1968) 96° (1992) 0.09" NA
May 21 45° 70° 25° (1963) 95° (1964) 0.09" NA
May 22 46° 70° 26° (1963) 93° (1980) 0.09" NA
May 23 46° 71° 29° (1974) 95° (1980) 0.09" NA
May 24 46° 71° 25° (2002) 87° (1958) 0.09" NA
May 25 47° 71° 33° (1975) 87° (1956) 0.09" NA
May 26 47° 72° 32° (1950) 86° (1966) 0.09" NA
May 27 47° 72° 33° (1965) 94° (2006) 0.1" NA
May 28 48° 73° 30° (1984) 97° (1969) 0.1" NA
May 29 48° 73° 36° (1970) 90° (1949) 0.1" NA
May 30 48° 73° 34° (1975) 92° (2003) 0.1" NA
May 31 49° 74° 28° (1982) 91° (2002) 0.1" NA
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