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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • -4°C maximum daytime temperature in January in Mackinac Island-4
    Jan
  • -3°C maximum daytime temperature in February in Mackinac Island-3
    Feb
  • 2°C maximum daytime temperature in March in Mackinac Island2
    Mar
  • 9°C maximum daytime temperature in April in Mackinac Island9
    Apr
  • 17°C maximum daytime temperature in May in Mackinac Island17
    May
  • 22°C maximum daytime temperature in June in Mackinac Island22
    Jun
  • 25°C maximum daytime temperature in July in Mackinac Island25
    Jul
  • 24°C maximum daytime temperature in August in Mackinac Island24
    Aug
  • 19°C maximum daytime temperature in September in Mackinac Island19
    Sep
  • 13°C maximum daytime temperature in October in Mackinac Island13
    Oct
  • 5°C maximum daytime temperature in November in Mackinac Island5
    Nov
  • -1°C maximum daytime temperature in December in Mackinac Island-1
    Dec

Hours of Sunshine (daily)

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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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.

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