Best time to visit Grand Portage

Find the best time to visit Grand Portage and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

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When is the best time to visit Grand Portage?

The best time to visit Grand Portage is July based on the following average weather conditions.

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Hours of Sunshine (daily)

Best time to visit

The weather guide for Minnesota (Grand Portage) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Which is the hottest month in Grand Portage?

The hottest time of year in Grand Portage is normally July. Expect maximum daytime temperatures to reach 25°C with no heat and humidity.

Which month has the most rain in Grand Portage?

In terms of rainfall, August is usually the wettest month in Grand Portage with 89mm on average. There are normally 12 days in August with some rain.

When is it sunniest in Grand Portage?

The sunniest time of year in Grand Portage is normally July with bright sunshine on average for 62% of daylight hours; that's 10 hours of sunshine per day.

When is the sea warmest in Grand Portage?

The sea is usually at its warmest in Grand Portage in August when the water temperature reaches 15°C.

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