Yearly Monthly weather Grand Marais MNClimate inside Grand Marais, Minnesota is always fluctuating. Whether it's bright or overcast, you can
expect an array of weather conditions over the year. Starting from the breathtaking spring flowers blossoming to the hot and sun-filled summertime days, to the scenic fall foliage, and the snowy landscapes in winter, Grand Marais, Minnesota provides a wide variety of climate experiences throughout the year.