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Weather in Grand Marais, MN · National Weather Service + NOAA

Grand Marais has real winters

Grand Marais has cold, snowy winters and cool summers. A typical July afternoon reaches 73°, a January night drops to 3°, and about 51 inches of snow falls in a normal winter. A typical November afternoon reaches 35°, and nights fall to 21°.

Winter 23°/5°Spring 46°/25°Summer 71°/50°Fall 50°/33°
Right now
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Sunrise 7:52 am · sunset 5:37 pm

Getting the latest forecast from the National Weather Service…

What stands out about Grand Marais’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Real wintersJanuary nights average 3°, colder than 93% of U.S. towns.Cool summersJuly afternoons average 73°, cooler than 99% of U.S. towns.Snow that staysSnow covers the ground about 119 days a year.A long heating seasonMore heating degree days than 98% of U.S. towns.
A normal year

Where today sits in Grand Marais’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
23° / 5°
19 days with an inch or more of snow
Spring
46° / 25°
Last frost around May 20
Summer
71° / 50°
90° days are rare
Fall now
50° / 33°
First frost around Oct 5
Pastthe usual first frost (Oct 5). Last frost next spring: May 20
Best months to be outside
JunJulAugSep
Highs of 62–84° and lows of 40° or more
How much snow does Grand Marais get?About 51 inches a winter.When is it wettest?June, with 3.9 inches.Is it warmer than it used to be?+1.3° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Grand Marais.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Grand Marais itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Grand Marais, MN (1 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.