Grand Portage, Minnesota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -3° 19° -39° (1996) 50° (2006) 1.33" NA
February 24° -43° (1996) 55° (1991) 0.8" NA
March 14° 35° -25° (1989) 65° (2007) 1.55" NA
April 27° 47° -4° (1995) 82° (1965) 2.22" NA
May 38° 61° 18° (1967) 88° (1977) 2.86" NA
June 46° 69° 28° (1998) 95° (1995) 3.19" NA
July 51° 75° 38° (1968) 94° (2006) 3.45" NA
August 52° 73° 34° (1976) 94° (2001) 3.1" NA
September 43° 64° 24° (1965) 86° (1978) 3.68" NA
October 34° 52° 13° (1976) 78° (2003) 3.25" NA
November 20° 37° -17° (1976) 71° (1999) 2.37" NA
December 24° -28° (1967) 52° (1962) 1.56" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 39° 58° 28° (1997) 75° (1963) 0.12" NA
Oct 2 38° 58° 27° (2003) 74° (1963) 0.12" NA
Oct 3 38° 58° 24° (1999) 75° (2006) 0.12" NA
Oct 4 38° 57° 24° (1965) 65° (1976) 0.12" NA
Oct 5 38° 57° 27° (2004) 69° (1969) 0.11" NA
Oct 6 37° 56° 23° (1999) 65° (1961) 0.11" NA
Oct 7 37° 56° 26° (1999) 66° (2003) 0.11" NA
Oct 8 37° 56° 27° (1978) 77° (2003) 0.11" NA
Oct 9 36° 55° 24° (1964) 78° (2003) 0.11" NA
Oct 10 36° 55° 23° (1989) 77° (2003) 0.11" NA
Oct 11 36° 54° 24° (2006) 78° (2003) 0.11" NA
Oct 12 35° 54° 27° (1967) 70° (1995) 0.11" NA
Oct 13 35° 54° 20° (1993) 72° (1995) 0.11" NA
Oct 14 35° 53° 20° (2002) 70° (1995) 0.11" NA
Oct 15 34° 53° 24° (1970) 69° (1962) 0.11" NA
Oct 16 34° 52° 19° (2002) 66° (1962) 0.1" NA
Oct 17 34° 52° 19° (2002) 65° (1991) 0.1" NA
Oct 18 33° 51° 21° (1976) 71° (1991) 0.1" NA
Oct 19 33° 51° 22° (1990) 66° (2000) 0.1" NA
Oct 20 33° 50° 15° (1991) 72° (1978) 0.1" NA
Oct 21 32° 50° 23° (1960) 72° (1978) 0.1" NA
Oct 22 32° 50° 16° (1969) 65° (1963) 0.1" NA
Oct 23 31° 49° 15° (1969) 67° (1963) 0.1" NA
Oct 24 31° 49° 17° (1960) 71° (1963) 0.1" NA
Oct 25 31° 48° 16° (1976) 68° (1963) 0.1" NA
Oct 26 30° 48° 13° (1976) 63° (1977) 0.1" NA
Oct 27 30° 47° 15° (1997) 70° (1989) 0.1" NA
Oct 28 29° 47° 18° (2003) 66° (1977) 0.09" NA
Oct 29 29° 46° 22° (1992) 58° (1998) 0.09" NA
Oct 30 29° 46° 22° (1992) 67° (1978) 0.09" NA
Oct 31 28° 45° 16° (1996) 62° (1958) 0.09" NA
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