Grand Marais, Minnesota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -15° -5° -36.7° (1935) 13.3° (2006) 0.72" 12.4"
February -12° -2° -36.7° (1933) 14.4° (1976) 0.56" 7.3"
March -7° -31.1° (1943) 19.4° (1986) 1.12" 8.5"
April -1° -22.2° (1975) 28.3° (1965) 1.3" 2.3"
May 13° -8.3° (1947) 30.6° (1986) 2.5" 0.2"
June 17° -3.9° (1947) 33.9° (1970) 3.41" 0"
July 11° 21° -2.2° (1950) 35° (2005) 3.38" 0"
August 12° 22° 0.6° (1947) 34.4° (1951) 3.13" 0"
September 17° -5° (1942) 31.7° (1953) 3.36" 0"
October 11° -14.4° (1936) 26.1° (1992) 2.59" 0.4"
November -4° -25.6° (1976) 19.4° (2001) 1.76" 3.9"
December -12° -3° -32.8° (1967) 12.8° (1962) 0.79" 12.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 11.1° 20° 1° (1974) 32° (1953) 0.11" NA
Sep 2 10.6° 19.4° 3° (1946) 30° (1978) 0.11" NA
Sep 3 10.6° 19.4° 4° (1952) 29° (1978) 0.11" NA
Sep 4 10.6° 19.4° 4° (1961) 29° (1990) 0.11" NA
Sep 5 10° 18.9° 3° (1939) 28.9° (2007) 0.11" NA
Sep 6 10° 18.9° 2° (1986) 31° (1998) 0.11" NA
Sep 7 10° 18.9° 2° (1944) 28° (1945) 0.11" NA
Sep 8 10° 18.3° 3° (1993) 26° (1963) 0.11" NA
Sep 9 9.4° 18.3° 2° (1967) 27° (1961) 0.12" NA
Sep 10 9.4° 18.3° 1.7° (2006) 25° (1933) 0.12" NA
Sep 11 9.4° 17.8° 2° (1941) 26° (1981) 0.12" NA
Sep 12 8.9° 17.8° 0° (2007) 28° (1998) 0.12" NA
Sep 13 8.9° 17.8° -1° (1953) 26° (1948) 0.12" NA
Sep 14 8.9° 17.2° 2.2° (2007) 24° (2000) 0.12" NA
Sep 15 8.3° 17.2° -1.7° (2007) 23° (1997) 0.12" NA
Sep 16 8.3° 17.2° 0° (1959) 24° (1994) 0.12" NA
Sep 17 8.3° 17.2° 2° (1943) 24° (1948) 0.11" NA
Sep 18 7.8° 16.7° 2° (1982) 28° (1984) 0.11" NA
Sep 19 7.8° 16.7° 2° (1956) 28° (1984) 0.11" NA
Sep 20 7.8° 16.7° -3° (1956) 28° (1940) 0.11" NA
Sep 21 7.2° 16.1° -1° (1999) 27° (1940) 0.11" NA
Sep 22 7.2° 16.1° -2° (1942) 25° (1936) 0.11" NA
Sep 23 7.2° 16.1° -2° (1974) 24° (1958) 0.11" NA
Sep 24 7.2° 15.6° 0° (2000) 25° (2007) 0.11" NA
Sep 25 6.7° 15.6° -4° (1942) 23° (1979) 0.11" NA
Sep 26 6.7° 15.6° -3° (1965) 23° (1960) 0.11" NA
Sep 27 6.7° 15° -2° (1935) 22° (2004) 0.11" NA
Sep 28 6.1° 15° -5° (1942) 22° (1952) 0.11" NA
Sep 29 6.1° 15° -2° (1945) 25° (1989) 0.1" NA
Sep 30 6.1° 14.4° -2° (1972) 22° (1957) 0.1" NA
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