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Early winter · Weather & things to do

Sleeping Bear Dunes in December

Sleeping Bear Dunes cools off: highs slip to 35°F (2°C), from 44°F in November, with lows of 30°F (-1°C) and about 2.5 in (64 mm) of rain.

With a comfort score of 39/100 (11th of 12), it's one of the toughest months, held back mainly by cool days.

Sleeping Bear Dunes, Michigan, United States
Avg high
35°F (2°C)
Avg low
30°F (-1°C)
Rain
2.5 in (64 mm)
Humidity
84%
Cloud cover
84%
Daylight
~8 h 37 min
Comfort score
39/100 · Tough

What December feels like

Real cold sets in, with afternoon highs around 35°F (2°C).

Nights drop below freezing, with an average low of 30°F (-1°C), so expect frost and ice.

Some rain is likely, about 2.5 in (64 mm) in the month, so pack for a shower or two.

Skies are often grey, with average cloud cover around 84%.

It's breezy, with average winds near 15 mph (6.8 m/s) at ground level.

Only about 8 h 37 min of daylight means early sunsets.

Sleeping Bear Dunes: December compared with the months either side
NovemberDecemberJanuary
Avg high44°F7°C35°F2°C30°F-1°C
Avg low38°F4°C30°F-1°C24°F-4°C
Rain/snow2.7 in68 mm2.5 in64 mm1.9 in47 mm
Daylight9 h 19 min8 h 37 min8 h 58 min
Comfort463941

Plan around December

December is one of the lower-scoring months here; the best are September.

What to pack for December

What to do in Sleeping Bear Dunes in December

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

Nearby in December

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.

Sleeping Bear Dunes in December: quick answers

Is December a good time to visit Sleeping Bear Dunes?

It's one of the tougher months here, scoring 39/100, held back mainly by cool days. The best months are September. Expect highs of 35°F (2°C) and 2.5 in (64 mm) of rain. Our Michigan Lake Shore route recommends Jun – Sep, so December is outside its suggested window.

How cold is Sleeping Bear Dunes in December?

Average highs are 35°F (2°C) and average lows 30°F (-1°C), making it the 4th-coldest month by daytime highs, with nights below freezing on average.

Does it rain a lot in Sleeping Bear Dunes in December?

Some: about 2.5 in (64 mm) of rain falls across December on average, the 4th-driest month of the year. The annual total is about 34.0 in (863 mm).

What should I pack for Sleeping Bear Dunes in December?

Bring hat, gloves and thermal base layers (lows around 30°F), shoes with grip (frost and ice are possible), packable rain jacket or umbrella (about 2.5 in of rain), windproof shell (average wind 15 mph) and comfortable walking shoes (most places below are best reached on foot or with short walks).

Planning Sleeping Bear Dunes in December?

Share this December plan with your group, poll everyone on dates and keep the packing list in one place.

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