Mackinac Island Weather in August
August is one of the perfect months to visit Mackinac Island, with daytime temperatures of 24°C (75°F) and lows of 15°C (59°F) at night. Do note that quite a bit of rainfall is typical, averaging around 85 mm (3.3 in).
Rainfall in Mackinac Island in August
Looking at the last 30 years, the data shows about 12 days with rain, averaging 85 mm (3.3 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Mackinac Island in August
August in Mackinac Island is generally perfect, with days reaching 24°C (75°F) and nights settling around 15°C (59°F). August is part of the summer season. This kind of day-to-night contrast is typical for this time of year. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Mackinac Island.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Mackinac Island's climate page.
Mackinac Island Temperature in August
Min Temperature
15°C (59°F)
Max Temperature
24°C (75°F)
Chance of Rain
40%
Precipitation
85 mm (3.3 in)
Rainy days
12 days
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
perfect weather
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tolerable
unpleasant
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What to Wear in Mackinac Island in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Mackinac Island in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Mackinac Island's climate page.
See the full Mackinac Island climate overview or explore weather in the United States of America.
