Willet, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 36° -35° (1950) 72° (2005) 0.46" NA
February 15° 42° -32° (1989) 73° (2005) 0.54" NA
March 22° 49° -30° (1960) 82° (1978) 1.06" NA
April 32° 61° -1° (1975) 93° (1980) 1.97" NA
May 43° 71° 15° (1954) 97° (1980) 2.99" NA
June 52° 81° 29° (1951) 106° (1970) 3.1" NA
July 57° 89° 37° (1950) 110° (1981) 2.05" NA
August 55° 88° 36° (1993) 108° (1975) 1.39" NA
September 44° 78° 18° (1995) 107° (1978) 1.3" NA
October 33° 65° -12° (1991) 94° (1963) 1.74" NA
November 21° 47° -26° (1959) 83° (1999) 0.71" NA
December 12° 38° -44° (1989) 74° (1979) 0.62" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 38° 66° 17° (1950) 90° (1955) 0.08" NA
May 2 38° 67° 21° (1984) 85° (1952) 0.08" NA
May 3 38° 67° 15° (1954) 94° (1952) 0.09" NA
May 4 39° 67° 21° (1967) 92° (1966) 0.09" NA
May 5 39° 68° 22° (1967) 85° (2000) 0.09" NA
May 6 39° 68° 27° (1960) 88° (1966) 0.09" NA
May 7 40° 68° 25° (1951) 91° (1992) 0.09" NA
May 8 40° 69° 27° (1954) 87° (1987) 0.09" NA
May 9 40° 69° 24° (1981) 87° (1987) 0.09" NA
May 10 41° 69° 24° (1981) 92° (1961) 0.09" NA
May 11 41° 70° 22° (1968) 90° (1958) 0.09" NA
May 12 42° 70° 23° (1953) 89° (1960) 0.09" NA
May 13 42° 70° 25° (1966) 95° (2001) 0.09" NA
May 14 42° 70° 26° (1981) 89° (1976) 0.1" NA
May 15 42° 71° 27° (1983) 88° (1978) 0.1" NA
May 16 43° 71° 33° (1974) 94° (1979) 0.1" NA
May 17 43° 72° 31° (1992) 90° (1948) 0.1" NA
May 18 43° 72° 32° (2000) 95° (1948) 0.1" NA
May 19 44° 72° 32° (1960) 94° (1992) 0.1" NA
May 20 44° 73° 27° (1968) 97° (1964) 0.1" NA
May 21 44° 73° 23° (1963) 95° (1966) 0.1" NA
May 22 45° 73° 25° (1963) 97° (1980) 0.1" NA
May 23 45° 74° 32° (1959) 94° (1980) 0.1" NA
May 24 45° 74° 26° (2002) 90° (1985) 0.1" NA
May 25 46° 74° 35° (1993) 89° (1985) 0.1" NA
May 26 46° 75° 29° (1992) 97° (1969) 0.1" NA
May 27 46° 75° 31° (1992) 95° (1969) 0.1" NA
May 28 47° 75° 28° (1984) 93° (1969) 0.11" NA
May 29 47° 76° 29° (1984) 92° (1988) 0.11" NA
May 30 47° 76° 33° (1983) 91° (1984) 0.11" NA
May 31 48° 76° 35° (1956) 91° (2002) 0.11" NA
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