Roslyn, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° -36° (1972) 64° (1981) 0.75" NA
February 26° -35° (1962) 64° (1958) 0.57" NA
March 20° 38° -23° (1962) 79° (1963) 1.1" NA
April 33° 55° -6° (1975) 96° (1980) 1.84" NA
May 46° 68° 17° (2005) 96° (1959) 2.63" NA
June 56° 77° 33° (1990) 105° (1988) 3.48" NA
July 61° 82° 39° (1975) 107° (1987) 3.73" NA
August 59° 80° 37° (1965) 104° (1965) 3.06" NA
September 48° 69° 17° (1974) 98° (1983) 1.88" NA
October 36° 56° 5° (1991) 91° (1963) 1.69" NA
November 20° 37° -20° (1985) 76° (1965) 0.85" NA
December 23° -34° (1967) 57° (2006) 0.48" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 13° 31° -23° (1962) 66° (1992) 0.02" NA
Mar 2 14° 31° -17° (1972) 58° (1974) 0.02" NA
Mar 3 14° 32° -16° (1975) 63° (2000) 0.03" NA
Mar 4 15° 32° -22° (1960) 63° (2000) 0.03" NA
Mar 5 15° 33° -18° (1997) 70° (2000) 0.03" NA
Mar 6 15° 33° -13° (1989) 67° (1987) 0.03" NA
Mar 7 16° 34° -14° (1996) 69° (1987) 0.03" NA
Mar 8 16° 34° -16° (1995) 68° (1987) 0.03" NA
Mar 9 17° 34° -16° (1984) 53° (1967) 0.03" NA
Mar 10 17° 35° -10° (1979) 56° (1990) 0.03" NA
Mar 11 17° 35° -14° (1998) 66° (1990) 0.03" NA
Mar 12 18° 36° -9° (1956) 62° (1990) 0.03" NA
Mar 13 18° 36° -18° (1975) 59° (1971) 0.03" NA
Mar 14 19° 37° -22° (1960) 68° (1981) 0.03" NA
Mar 15 19° 37° -9° (1997) 62° (1995) 0.03" NA
Mar 16 20° 38° -2° (1962) 68° (1966) 0.03" NA
Mar 17 20° 38° -9° (1993) 73° (1968) 0.04" NA
Mar 18 20° 39° -7° (1965) 69° (1968) 0.04" NA
Mar 19 21° 39° -10° (1965) 64° (2004) 0.04" NA
Mar 20 21° 40° -8° (1965) 63° (1990) 0.04" NA
Mar 21 22° 40° -12° (1965) 65° (1985) 0.04" NA
Mar 22 22° 41° 0° (1960) 63° (2003) 0.04" NA
Mar 23 23° 41° -12° (1965) 72° (1963) 0.04" NA
Mar 24 23° 42° -17° (1974) 72° (1968) 0.04" NA
Mar 25 23° 43° -10° (1964) 70° (1991) 0.04" NA
Mar 26 24° 43° -10° (1964) 68° (1961) 0.04" NA
Mar 27 24° 44° -2° (1955) 65° (1988) 0.04" NA
Mar 28 25° 44° -5° (1969) 73° (1986) 0.05" NA
Mar 29 25° 45° -11° (1969) 75° (1967) 0.05" NA
Mar 30 26° 45° -12° (1969) 76° (1963) 0.05" NA
Mar 31 26° 46° 1° (1969) 79° (1963) 0.05" NA
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