March weather in Grand Marais, MN
The average temperature in Grand Marais in March is 25.6°F (17.9°F–33.3°F). Average precipitation: 0.95 inches. Average snowfall is 6.0 inches.
March is a spring month in Grand Marais, and is cooler than the annual average of 38.3°F. Daily temperatures swing about 15.4°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 11h 39m. For travel, March is cold.
Avg High
33.3°F
Avg Low
17.9°F
Precipitation
0.95 in
Snow
6.0 in
March records in Grand Marais
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 43.0°F (1956) | -20.9°F (1962) | 0.49 in (1997) |
| March 2 | 48.9°F (1993) | -24.0°F (1943) | 1.00 in (1932) |
| March 3 | 46.9°F (1973) | -20.0°F (2014) | 1.18 in (1951) |
| March 4 | 48.0°F (2000) | -11.0°F (2019) | 0.98 in (1966) |
| March 5 | 50.0°F (1920) | -17.0°F (1943) | 0.40 in (1925) |
| March 6 | 48.0°F (2009) | -18.0°F (1943) | 0.40 in (1922) |
| March 7 | 48.9°F (1987) | -18.9°F (1967) | 1.06 in (1973) |
| March 8 | 48.0°F (2010) | -18.9°F (1967) | 0.60 in (1929) |
| March 9 | 54.0°F (2021) | -11.0°F (1933) | 0.90 in (1928) |
| March 10 | 57.0°F (2025) | -18.0°F (1948) | 0.65 in (2013) |
| March 11 | 55.9°F (2015) | -13.0°F (1984) | 0.40 in (1973) |
| March 12 | 46.9°F (1966) | -20.9°F (2009) | 0.85 in (1990) |
| March 13 | 64.0°F (2007) | -7.1°F (1926) | 0.64 in (1982) |
| March 14 | 61.0°F (2007) | -8.0°F (1939) | 1.80 in (1917) |
| March 15 | 57.9°F (2010) | -5.1°F (1979) | 1.11 in (1971) |
| March 16 | 55.0°F (2009) | -5.1°F (1997) | 0.51 in (2016) |
| March 17 | 55.0°F (2009) | -15.0°F (1941) | 1.09 in (1951) |
| March 18 | 60.1°F (2010) | -9.9°F (1939) | 0.87 in (1951) |
| March 19 | 57.9°F (2010) | -2.9°F (1974) | 1.33 in (1979) |
| March 20 | 50.0°F (1918) | -5.1°F (1965) | 1.20 in (1935) |
| March 21 | 57.0°F (1918) | -2.0°F (1965) | 0.45 in (1949) |
| March 22 | 55.0°F (1928) | 0.0°F (1940) | 0.56 in (2023) |
| March 23 | 63.0°F (1948) | -13.0°F (1974) | 0.55 in (1979) |
| March 24 | 59.0°F (2003) | -2.0°F (1965) | 0.74 in (2025) |
| March 25 | 57.0°F (1946) | -4.0°F (1955) | 0.85 in (2000) |
| March 26 | 60.1°F (1925) | -4.0°F (1996) | 0.40 in (1920) |
| March 27 | 60.1°F (1946) | 0.0°F (1926) | 0.99 in (1942) |
| March 28 | 66.9°F (1986) | 0.0°F (1955) | 0.74 in (1942) |
| March 29 | 64.9°F (1963) | -0.9°F (1954) | 2.20 in (1938) |
| March 30 | 57.0°F (1963) | -2.9°F (1975) | 0.92 in (1982) |
| March 31 | 63.0°F (2010) | -2.9°F (1975) | 2.00 in (2009) |