Weather in Grand Marais: October
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Average day temperature: | 49.8°F |
| Average night temperature: | 44.0°F | |
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Sea water temperature: | 52.8°F |
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Number of sunny days: | 10 days |
| Day length: | 10.0 - 11.6 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.6 in. | |
| more information | ||
forecast
| Grand Marais |
temperature
| Grand Marais |
Air temperature in October, °F
The highest day temperature during October of 2025 was 66°F. At the same time the lowest night temperature was 35°F. Daily and nightly averages during October were 52.1°F and 47.6°F.
Sea water temperature in Grand Marais in October, °F
The average sea water temperature in October of 2025 was 53.8°F. The highest and lowest sea temperatures during the month were 60.3°F and 49.6°F.
Number of sunny, partly cloudy and cloudy days in October is almost equal.
Precipitation total in October, in.
Precipitation total value in Grand Marais in October is 0.6 in. Other months of the year show relatively similar values.
The average wind speed value in October is 8.3 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 6.1.
Best time for vacation in Grand Marais
Grand Marais on a weather map
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