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
Mar 1 29° -22° (1962) 55° (2000) 0.03" NA
Mar 2 29° -25° (1989) 52° (1990) 0.04" NA
Mar 3 30° -19° (2003) 47° (1993) 0.04" NA
Mar 4 30° -18° (2003) 47° (2000) 0.04" NA
Mar 5 30° -18° (2003) 50° (2000) 0.04" NA
Mar 6 10° 31° -20° (2003) 56° (2000) 0.04" NA
Mar 7 10° 31° -18° (1967) 49° (2000) 0.04" NA
Mar 8 11° 31° -15° (1967) 54° (2000) 0.04" NA
Mar 9 11° 32° -13° (1995) 59° (1977) 0.04" NA
Mar 10 12° 32° -14° (2003) 56° (1977) 0.04" NA
Mar 11 12° 33° -4° (1969) 50° (1977) 0.05" NA
Mar 12 13° 33° -3° (1997) 55° (1995) 0.05" NA
Mar 13 13° 33° -8° (1992) 53° (1995) 0.05" NA
Mar 14 14° 34° -7° (1963) 65° (2007) 0.05" NA
Mar 15 14° 34° -7° (1992) 49° (1995) 0.05" NA
Mar 16 15° 34° -14° (1997) 53° (1990) 0.05" NA
Mar 17 15° 35° -12° (1964) 63° (2003) 0.05" NA
Mar 18 16° 35° -8° (1989) 49° (1991) 0.05" NA
Mar 19 16° 36° -8° (1989) 52° (1959) 0.05" NA
Mar 20 17° 36° -3° (1965) 49° (1970) 0.05" NA
Mar 21 17° 36° -7° (1965) 49° (1994) 0.06" NA
Mar 22 17° 37° -6° (2004) 52° (1994) 0.06" NA
Mar 23 18° 37° -8° (1965) 54° (2000) 0.06" NA
Mar 24 18° 38° -7° (1965) 59° (2003) 0.06" NA
Mar 25 19° 38° -3° (1960) 59° (2003) 0.06" NA
Mar 26 19° 38° -7° (1996) 50° (2004) 0.06" NA
Mar 27 19° 39° -4° (1964) 58° (2007) 0.06" NA
Mar 28 20° 39° 0° (1970) 56° (1968) 0.06" NA
Mar 29 20° 40° 0° (1969) 63° (1963) 0.06" NA
Mar 30 21° 40° 1° (1969) 61° (1963) 0.06" NA
Mar 31 21° 40° 1° (1969) 59° (1990) 0.06" NA
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