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Grand Marais climate
Typical historical weather for Grand Marais, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Grand Marais.
Annual average
3.9°C
across all months
Warmest month
19.1°C
Aug average high
Coolest month
-12.5°C
Feb average low
Annual rainfall
794mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
25.5°C
3 September 2023
Coldest day
-29.1°C
31 January 2019
Wettest day
52.5mm
23 July 2025
Windiest day
14.4m/s
24 December 2022
See the detail: Grand Marais on 23 July 2025.