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Mid-winter · Weather & things to do

Mackinac Island in January

Mackinac Island cools off: highs slip to 25°F (-4°C), from 31°F in December, with lows of 15°F (-9°C) and about 1.9 in (48 mm) of rain or snow.

With a comfort score of 43/100 (10th of 12), it's one of the toughest months, held back mainly by cool days.

Mackinac Island, Michigan, United States
Avg high
25°F (-4°C)
Avg low
15°F (-9°C)
Rain or snow
1.9 in (48 mm)
Humidity
93%
Cloud cover
79%
Daylight
~8 h 51 min
Comfort score
43/100 · Tough

What January feels like

Real cold sets in, with afternoon highs around 25°F (-4°C).

Nights drop below freezing, with an average low of 15°F (-9°C), so expect frost and ice.

About 1.9 in (48 mm) of rain or snow falls in the month, and with temperatures averaging below freezing, much of it may come as snow.

Skies are often grey, with average cloud cover around 79%.

Only about 8 h 51 min of daylight means early sunsets.

Mackinac Island: January compared with the months either side
DecemberJanuaryFebruary
Avg high31°F0°C25°F-4°C25°F-4°C
Avg low23°F-5°C15°F-9°C15°F-10°C
Rain/snow2.6 in65 mm1.9 in48 mm1.6 in40 mm
Daylight8 h 29 min8 h 51 min10 h 07 min
Comfort404345

Plan around January

January is one of the lower-scoring months here; the best are June and September.

What to pack for January

What to do in Mackinac Island in January

Cold days call for a roof: these picks favor sit-down and indoor stops, plus a few for drier spells.

Nearby in January

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 January: quick answers

Is January a good time to visit Mackinac Island?

It's one of the tougher months here, scoring 43/100, held back mainly by cool days. The best months are June and September. Expect highs of 25°F (-4°C) and 1.9 in (48 mm) of rain or snow. Our Great Lakes Hidden Gems route recommends May – Sep, so January is outside its suggested window.

How cold is Mackinac Island in January?

Average highs are 25°F (-4°C) and average lows 15°F (-9°C), making it the 2nd-coldest month by daytime highs, with nights below freezing on average.

Does it snow a lot in Mackinac Island in January?

Not much: about 1.9 in (48 mm) of rain or snow falls across January on average, the 3rd-driest month of the year. With temperatures this low, much of it may fall as snow. The annual total is about 34.4 in (875 mm).

What should I pack for Mackinac Island in January?

Bring hat, gloves and thermal base layers (lows around 15°F), insulated, waterproof boots (snow is likely on some days) and comfortable walking shoes (most places below are best reached on foot or with short walks).

Planning Mackinac Island in January?

Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.

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