Long Valley, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 35° -33° (1949) 73° (1987) 0.35" 3.6"
February 16° 41° -30° (1996) 75° (1995) 0.48" 5.1"
March 23° 49° -26° (1998) 84° (1995) 1.43" 10.6"
April 33° 60° 4° (2002) 95° (1980) 2.19" 5.2"
May 44° 71° 14° (1954) 101° (1969) 3.08" 0.2"
June 54° 82° 31° (1951) 107° (1985) 3.07" 0"
July 60° 89° 37° (1971) 113° (2006) 2.78" 0"
August 58° 88° 34° (1988) 110° (1980) 1.69" 0"
September 49° 78° 17° (1984) 106° (1948) 1.4" 0.4"
October 37° 65° 0° (1991) 97° (1963) 1.39" 1.6"
November 24° 47° -19° (1985) 85° (1999) 0.64" 4.7"
December 14° 38° -38° (1964) 72° (1948) 0.37" 5.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 39° 66° 19° (1967) 96° (1959) 0.09" NA
May 2 39° 66° 23° (2004) 91° (1949) 0.09" NA
May 3 40° 67° 14° (1954) 95° (1982) 0.09" NA
May 4 40° 67° 24° (1967) 92° (2000) 0.09" NA
May 5 40° 67° 26° (1967) 97° (2004) 0.09" NA
May 6 41° 68° 22° (1976) 89° (1963) 0.09" NA
May 7 41° 68° 22° (1980) 93° (1963) 0.1" NA
May 8 42° 68° 22° (1980) 95° (1985) 0.1" NA
May 9 42° 69° 26° (1966) 95° (1962) 0.1" NA
May 10 42° 69° 19° (1981) 92° (1961) 0.1" NA
May 11 43° 69° 25° (1968) 90° (1962) 0.1" NA
May 12 43° 70° 24° (1953) 87° (1955) 0.1" NA
May 13 43° 70° 20° (1953) 95° (2001) 0.1" NA
May 14 44° 70° 25° (1983) 91° (1969) 0.1" NA
May 15 44° 71° 27° (1959) 91° (1987) 0.1" NA
May 16 44° 71° 33° (1968) 90° (1972) 0.1" NA
May 17 45° 71° 25° (1969) 94° (1964) 0.1" NA
May 18 45° 72° 34° (1968) 93° (1992) 0.1" NA
May 19 46° 72° 30° (1983) 96° (1992) 0.1" NA
May 20 46° 72° 26° (1968) 93° (1954) 0.1" NA
May 21 46° 73° 27° (1963) 92° (1964) 0.1" NA
May 22 47° 73° 23° (1963) 92° (2006) 0.1" NA
May 23 47° 74° 32° (1992) 90° (1950) 0.1" NA
May 24 47° 74° 23° (2002) 92° (1967) 0.1" NA
May 25 48° 74° 32° (1973) 95° (1985) 0.1" NA
May 26 48° 75° 26° (1992) 93° (2006) 0.1" NA
May 27 48° 75° 32° (1992) 101° (1969) 0.11" NA
May 28 49° 75° 32° (1984) 94° (1979) 0.11" NA
May 29 49° 76° 34° (1997) 94° (1958) 0.11" NA
May 30 49° 76° 35° (1975) 97° (1969) 0.11" NA
May 31 49° 76° 33° (1983) 91° (1960) 0.1" NA
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