Ralph, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -42° (1949) 69° (1992) 0.42" NA
February 11° 34° -37° (1994) 72° (1992) 0.44" NA
March 19° 44° -34° (1998) 79° (1997) 0.73" NA
April 30° 57° -8° (1997) 95° (1980) 1.69" NA
May 41° 69° 4° (1967) 95° (1969) 2.84" NA
June 49° 78° 26° (1964) 104° (1979) 2.98" NA
July 54° 85° 32° (1972) 112° (1981) 2.12" NA
August 53° 85° 28° (1964) 107° (1958) 1.38" NA
September 41° 74° 14° (1995) 105° (1978) 1.23" NA
October 31° 60° -12° (1991) 95° (1963) 1.37" NA
November 17° 41° -22° (1966) 82° (1999) 0.58" NA
December 30° -37° (1989) 66° (1998) 0.4" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 35° 64° 17° (1950) 89° (1955) 0.08" NA
May 2 36° 64° 19° (1954) 85° (1952) 0.08" NA
May 3 36° 64° 4° (1967) 89° (1952) 0.08" NA
May 4 37° 65° 9° (1967) 89° (1966) 0.08" NA
May 5 37° 65° 11° (1967) 85° (1986) 0.08" NA
May 6 37° 65° 23° (1951) 87° (1992) 0.08" NA
May 7 38° 66° 22° (1954) 94° (1992) 0.08" NA
May 8 38° 66° 21° (1979) 90° (1985) 0.08" NA
May 9 38° 67° 22° (1968) 86° (1977) 0.09" NA
May 10 39° 67° 22° (1957) 87° (1977) 0.09" NA
May 11 39° 67° 15° (1979) 87° (1958) 0.09" NA
May 12 39° 68° 23° (1964) 89° (1977) 0.09" NA
May 13 40° 68° 24° (1959) 93° (2001) 0.09" NA
May 14 40° 68° 22° (1953) 86° (1969) 0.09" NA
May 15 40° 69° 25° (1974) 90° (1987) 0.09" NA
May 16 41° 69° 28° (1968) 90° (1979) 0.09" NA
May 17 41° 69° 25° (1986) 89° (1970) 0.09" NA
May 18 41° 70° 26° (1953) 92° (1948) 0.09" NA
May 19 42° 70° 23° (1958) 92° (1948) 0.1" NA
May 20 42° 70° 18° (1968) 94° (1964) 0.1" NA
May 21 42° 70° 28° (1963) 91° (1955) 0.1" NA
May 22 43° 71° 18° (1963) 87° (1967) 0.1" NA
May 23 43° 71° 26° (1957) 87° (1958) 0.1" NA
May 24 43° 71° 27° (1974) 91° (1985) 0.1" NA
May 25 44° 72° 30° (1971) 88° (1977) 0.1" NA
May 26 44° 72° 23° (1950) 90° (1969) 0.1" NA
May 27 44° 72° 24° (1951) 95° (1969) 0.1" NA
May 28 45° 73° 21° (1952) 90° (1949) 0.1" NA
May 29 45° 73° 32° (1954) 93° (1958) 0.1" NA
May 30 45° 73° 29° (1975) 89° (1988) 0.1" NA
May 31 45° 74° 30° (1956) 90° (1977) 0.1" NA
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