Porcupine, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 35° -28° (1968) 67° (2002) 0.39" NA
February 16° 41° -31° (1996) 70° (1995) 0.46" NA
March 25° 48° -18° (1998) 82° (1995) 1.32" NA
April 34° 58° 2° (2002) 93° (1992) 2.2" NA
May 44° 68° 20° (2002) 95° (1992) 3.16" NA
June 54° 79° 33° (1995) 107° (2002) 3.18" NA
July 59° 87° 38° (1995) 110° (1990) 2.58" NA
August 58° 87° 37° (1992) 107° (2002) 1.87" NA
September 47° 77° 19° (1993) 102° (2001) 1.51" NA
October 35° 64° -8° (1991) 93° (1992) 1.52" NA
November 22° 46° -19° (1991) 83° (1999) 0.7" NA
December 14° 38° -37° (1989) 69° (1995) 0.41" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 50° 74° 36° (1989) 84° (1997) 0.11" NA
Jun 2 50° 74° 35° (2000) 87° (1997) 0.11" NA
Jun 3 50° 74° 35° (1998) 84° (1999) 0.11" NA
Jun 4 51° 75° 35° (1998) 79° (1994) 0.11" NA
Jun 5 51° 75° 34° (1998) 98° (1990) 0.11" NA
Jun 6 52° 75° 34° (1998) 90° (1989) 0.11" NA
Jun 7 52° 76° 37° (2003) 92° (2000) 0.11" NA
Jun 8 52° 76° 39° (2003) 88° (2000) 0.11" NA
Jun 9 52° 77° 41° (1995) 100° (2000) 0.11" NA
Jun 10 52° 77° 33° (1995) 100° (1976) 0.11" NA
Jun 11 53° 77° 40° (1995) 89° (1990) 0.11" NA
Jun 12 53° 78° 38° (2002) 90° (1989) 0.11" NA
Jun 13 53° 78° 38° (2002) 90° (2000) 0.11" NA
Jun 14 54° 78° 38° (2002) 93° (1994) 0.11" NA
Jun 15 54° 79° 39° (1989) 92° (1995) 0.11" NA
Jun 16 54° 79° 44° (1999) 99° (1989) 0.11" NA
Jun 17 54° 79° 39° (2000) 99° (1989) 0.11" NA
Jun 18 55° 80° 33° (1976) 91° (1989) 0.11" NA
Jun 19 55° 80° NA (2001) 104° (1989) 0.1" NA
Jun 20 55° 80° NA (2001) 105° (1989) 0.1" NA
Jun 21 55° 81° NA (2001) 90° (1999) 0.1" NA
Jun 22 56° 81° 38° (1989) 96° (2002) 0.1" NA
Jun 23 56° 81° 46° (1989) 96° (2002) 0.1" NA
Jun 24 56° 82° NA (1993) 100° (2001) 0.1" NA
Jun 25 56° 82° NA (1989) 99° (2001) 0.1" NA
Jun 26 56° 82° 40° (2000) 98° (1990) 0.1" NA
Jun 27 57° 82° 45° (2000) 103° (1990) 0.1" NA
Jun 28 57° 83° 42° (2000) 103° (1990) 0.1" NA
Jun 29 57° 83° 47° (2003) 105° (2002) 0.1" NA
Jun 30 57° 83° 38° (1995) 107° (2002) 0.1" NA
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