Mid-summer · Weather & things to do
Mackinac Island in July
Mackinac Island warms up: highs climb to 72°F (22°C), from 64°F in June, with lows of 58°F (15°C) and about 3.0 in (75 mm) of rain.
It scores 76/100 for comfort, 3rd of 12, which makes it a solid shoulder-season month.
- Avg high
- 72°F (22°C)
- Avg low
- 58°F (15°C)
- Rain
- 3.0 in (75 mm)
- Humidity
- 81%
- Cloud cover
- 65%
- Daylight
- ~15 h 12 min
- Comfort score
- 76/100 · Great
What July feels like
Days are warm, averaging 72°F (22°C), easy weather for being outside from morning to evening.
Lows average 58°F (15°C).
Some rain is likely, about 3.0 in (75 mm) in the month, so pack for a shower or two.
Long days help: there are roughly 15 h 12 min of daylight mid-month.
Plan around July
July is shoulder season: good weather, a step below the best months (June and September).
- First warm month: highs reach 72°F, up from 64°F in June.
- Comfort slips from 80/100 in June to 76/100.
- July sits inside the May – Sep window our Great Lakes Hidden Gems route recommends.
- July sits inside the Jun – Sep window our Michigan Lake Shore route recommends.
What to pack for July
- Light, breathable clotheshighs average 72°F
- Sunscreen, sunglasses and a hathigh UV on clear days
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Mackinac Island in July
July is good outdoor weather here, so these picks lean toward the open air.
Horn's Gaslight Bar
Saloon on Main Street since 1933 with live music and Southwestern food.
Why now July scores 76/100 for comfort, good conditions for being outside.
Arch Rock
Limestone arch 146 ft above the water, reached by stairs or a bluff road.
Why now Highs near 72°F and 3.0 in of monthly rain make this an easy outdoor pick.
Mackinac Island Carriage Tours
Narrated horse-drawn carriage tour of the island's sights.
Fort Mackinac
18th-century fort above the harbor with cannon firings and costumed interpreters.
The Pink Pony
Waterfront restaurant and bar at the Chippewa Hotel, famous for whitefish.
Why now One to do outside while the weather is on your side.
Nearby in July
- Traverse City in July~89 mi · highs 73°F, 2.6 in rain · similar daytime temperatures, about as wet
- Sleeping Bear Dunes in July~103 mi · highs 67°F, 2.7 in rain · 3°C (5°F) cooler by day, about as wet
- Door County in July~138 mi · highs 76°F, 3.3 in rain · 2°C (4°F) warmer by day, about as wet
- Frankenmuth in July~179 mi · highs 80°F, 3.1 in rain · 4°C (8°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Mackinac Island in July: quick answers
Is July a good time to visit Mackinac Island?
It's a good shoulder-season choice, scoring 76/100 against a best of 83 in June and September. Expect highs of 72°F (22°C) and 3.0 in (75 mm) of rain. July is inside the May – Sep window our Great Lakes Hidden Gems route recommends.
How hot is Mackinac Island in July?
Average highs are 72°F (22°C) and average lows 58°F (15°C), making it the 2nd-warmest month by daytime highs.
Does it rain a lot in Mackinac Island in July?
Some: about 3.0 in (75 mm) of rain falls across July on average, the 6th-driest month of the year. The annual total is about 34.4 in (875 mm).
What should I pack for Mackinac Island in July?
Bring light, breathable clothes (highs average 72°F), sunscreen, sunglasses and a hat (high UV on clear days), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Mackinac Island
Routes in season in July
- Great Lakes Hidden Gems May – Sep
- Michigan Lake Shore Jun – Sep
Planning Mackinac Island in July?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.