Grand Marais, Minnesota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -14° -4° -36.7° (1935) 13.3° (2006) 0.81" 13.6"
February -12° -2° -36.7° (1933) 14.4° (1976) 0.52" 6.1"
March -7° -31.1° (1943) 19.4° (1986) 0.87" 5.9"
April -1° -22.2° (1975) 28.3° (1965) 1.67" 2.1"
May 13° -8.3° (1947) 30.6° (1986) 2.53" 0.1"
June 18° -3.9° (1947) 33.9° (1970) 3.61" 0"
July 11° 22° -2.2° (1950) 35° (2005) 3.12" 0"
August 13° 22° 0.6° (1947) 34.4° (1951) 2.71" 0"
September 18° -5° (1942) 31.7° (1953) 3" 0"
October 11° -14.4° (1936) 26.1° (1992) 3.1" 0.1"
November -4° -25.6° (1976) 19.4° (2001) 1.7" 3.7"
December -11° -2° -32.8° (1967) 12.8° (1962) 0.98" 10.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 11° 21° 1° (1974) 32° (1953) 0.09" 0"
Sep 2 11° 21° 3° (1946) 30° (1978) 0.1" 0"
Sep 3 11° 21° 4° (1952) 29° (1978) 0.09" 0"
Sep 4 11° 20° 3° (2010) 29° (1990) 0.09" 0"
Sep 5 11° 20° 2° (2010) 28.9° (2007) 0.09" 0"
Sep 6 10° 20° 2° (1986) 31° (1998) 0.1" 0"
Sep 7 10° 20° 2° (1944) 28° (1945) 0.09" 0"
Sep 8 10° 20° 3° (1993) 26° (1963) 0.1" 0"
Sep 9 10° 19° 2° (1967) 27° (1961) 0.09" 0"
Sep 10 10° 19° 1.7° (2006) 25° (1933) 0.1" 0"
Sep 11 10° 19° 2° (1941) 30° (2005) 0.1" 0"
Sep 12 19° 0° (2007) 28° (1998) 0.1" 0"
Sep 13 19° -1° (1953) 26° (1948) 0.1" 0"
Sep 14 18° 2.2° (2007) 24° (2000) 0.09" 0"
Sep 15 18° -1.7° (2007) 23° (1997) 0.09" 0"
Sep 16 18° 0° (1959) 24° (1994) 0.1" 0"
Sep 17 18° 2° (1943) 24° (1948) 0.1" 0"
Sep 18 18° 2° (1982) 28° (1984) 0.1" 0"
Sep 19 17° 2° (1956) 28° (1984) 0.1" 0"
Sep 20 17° -3° (1956) 28° (1940) 0.11" 0"
Sep 21 17° -1° (1999) 27° (1940) 0.1" 0"
Sep 22 17° -2° (1942) 25° (1936) 0.11" 0"
Sep 23 16° -2° (1974) 24° (1958) 0.1" 0"
Sep 24 16° 0° (2000) 25° (2007) 0.11" 0"
Sep 25 16° -4° (1942) 23° (1979) 0.11" 0"
Sep 26 16° -3° (1965) 23° (1960) 0.1" 0"
Sep 27 15° -2° (1935) 22° (2004) 0.11" 0"
Sep 28 15° -5° (1942) 22° (1952) 0.11" 0"
Sep 29 15° -2° (1945) 25° (1989) 0.11" 0"
Sep 30 15° -2° (1972) 22° (1957) 0.11" 0"
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