Mackinac Island weather in May
Cold, with some rainy days. Average highs of 8°C and lows of 4°C, with around 10 rainy days expected throughout the month.
While May isn't our top-rated month for Mackinac Island, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
8°C
Average low
4°C
Rainy days
10 days
Best months to visit
Year-round
What to do in Mackinac Island in May
Whatever the weather, Mackinac Island rewards curious visitors. Here are some of the best ways to spend your time:
Horse-drawn carriage island tour: main street and bluff ride
Grand Hotel tour: 660-foot porch world's longest
Mackinac Island State Park hiking: Arch Rock and trails
Fudge shop visits and chocolate taffy purchase
Fort Mackinac historical site and museum visit
Lake exploration: kayaking and sailing options
What to pack for May
Pack for cold weather — a proper winter coat, thermal layers, waterproof boots, and warm accessories. You'll want a good base layer for outdoor activities.
Browse other months
January
-4C
Cold, with some rainy days.
February
-5C
Cold, with some rainy days.
March
-1C
Cold, with some rainy days.
April
3C
Cold, with some rainy days.
May (you are here)
8C
Cold, with some rainy days.
June
15C
Cool, with occasional showers.
July
20C
Mild and comfortable, with occasional showers.
August
20C
Mild and comfortable, with occasional showers.
September
17C
Cool, with some rainy days.
October
11C
Cool, with regular rainfall.
November
5C
Cold, with some rainy days.
December
0C
Cold, with some rainy days.
Book your May trip to Mackinac Island
Find hotels, tours and experiences for the perfect escape.
