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
Jun 1 52° 73° 35° (1956) 85° (1986) 0.1" NA
Jun 2 52° 74° 35° (1964) 86° (1972) 0.11" NA
Jun 3 52° 74° 33° (1990) 96° (1968) 0.11" NA
Jun 4 53° 74° 37° (1954) 94° (1968) 0.11" NA
Jun 5 53° 74° 37° (1985) 90° (1968) 0.11" NA
Jun 6 53° 74° 36° (1953) 94° (1987) 0.11" NA
Jun 7 54° 75° 38° (1975) 94° (1987) 0.11" NA
Jun 8 54° 75° 40° (1965) 94° (2000) 0.11" NA
Jun 9 54° 75° 36° (1989) 93° (1976) 0.11" NA
Jun 10 54° 75° 39° (1964) 97° (1956) 0.11" NA
Jun 11 55° 76° 39° (1958) 95° (1976) 0.11" NA
Jun 12 55° 76° 38° (1969) 95° (1956) 0.12" NA
Jun 13 55° 76° 42° (1955) 91° (1987) 0.12" NA
Jun 14 55° 76° 35° (1969) 99° (1979) 0.12" NA
Jun 15 56° 77° 38° (1968) 96° (1979) 0.12" NA
Jun 16 56° 77° 36° (1976) 95° (1959) 0.12" NA
Jun 17 56° 77° 40° (1974) 92° (1987) 0.12" NA
Jun 18 57° 77° 42° (1978) 97° (1988) 0.12" NA
Jun 19 57° 78° 41° (1970) 94° (1986) 0.12" NA
Jun 20 57° 78° 35° (1969) 98° (1974) 0.12" NA
Jun 21 57° 78° 40° (1972) 99° (1988) 0.12" NA
Jun 22 57° 78° 43° (1958) 95° (1987) 0.12" NA
Jun 23 58° 78° 42° (1967) 92° (2005) 0.12" NA
Jun 24 58° 79° 44° (1958) 105° (1988) 0.12" NA
Jun 25 58° 79° 36° (1958) 99° (1964) 0.12" NA
Jun 26 58° 79° 43° (1958) 95° (1990) 0.12" NA
Jun 27 58° 79° 40° (1972) 95° (1990) 0.12" NA
Jun 28 59° 80° 42° (1965) 95° (1964) 0.12" NA
Jun 29 59° 80° 44° (1973) 99° (2002) 0.12" NA
Jun 30 59° 80° 43° (1959) 94° (1975) 0.12" NA
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