Best time to visit Mackinac Island

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

Mackinac Island by month

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When is the best time to visit Mackinac Island?

The best time to visit Mackinac Island is July based on the following average weather conditions.

Daily hours of sunshine = 10 hours or more [remove]

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Hours of Sunshine (daily)

Which is the hottest month in Mackinac Island?

The hottest time of year in Mackinac Island is normally July. Expect maximum daytime temperatures to reach 25°C with low heat and humidity.

Which month has the most rain in Mackinac Island?

In terms of rainfall, September is usually the wettest month in Mackinac Island with 99mm on average. There are normally 13 days in September with some rain.

When is it sunniest in Mackinac Island?

The sunniest time of year in Mackinac Island is normally July with bright sunshine on average for 63% of daylight hours; that's 10 hours of sunshine per day.

When is the sea warmest in Mackinac Island?

The sea is usually at its warmest in Mackinac Island in August when the water temperature reaches 16°C.

Best time to visit

The weather guide for Michigan (Mackinac Island) 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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