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Mid-winter · Weather & things to do

Indiana Dunes in January

This is the coldest month in Indiana Dunes: highs average 32°F (0°C) and lows 19°F (-7°C), with about 2.3 in (58 mm) of rain or snow.

With a comfort score of 44/100 (11th of 12), it's one of the toughest months, held back mainly by cool days.

Indiana Dunes, Indiana, United States
Avg high
32°F (0°C)
Avg low
19°F (-7°C)
Rain or snow
2.3 in (58 mm)
Humidity
87%
Cloud cover
71%
Daylight
~9 h 18 min
Comfort score
44/100 · Tough

What January feels like

It's cold: daytime highs average just 32°F (0°C), so build the days around warm stops.

Nights drop below freezing, with an average low of 19°F (-7°C), so expect frost and ice.

Expect about 2.3 in (58 mm) of precipitation (rain or snow). Because the average temperature is below freezing, snow is likely on some days.

Only about 9 h 18 min of daylight means early sunsets.

Indiana Dunes: January compared with the months either side
DecemberJanuaryFebruary
Avg high37°F3°C32°F0°C35°F1°C
Avg low25°F-4°C19°F-7°C20°F-6°C
Rain/snow2.4 in60 mm2.3 in58 mm2.2 in56 mm
Daylight9 h9 h 18 min10 h 23 min
Comfort434445

Plan around January

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

What to pack for January

What to do in Indiana Dunes 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.

Indiana Dunes in January: quick answers

Is January a good time to visit Indiana Dunes?

It's one of the tougher months here, scoring 44/100, held back mainly by cool days. The best months are September. Expect highs of 32°F (0°C) and 2.3 in (58 mm) of rain or snow. Our Indiana & Ohio City-Nature Loop recommends May – Oct, so January is outside its suggested window.

How cold is Indiana Dunes in January?

Average highs are 32°F (0°C) and average lows 19°F (-7°C), making it the coldest month by daytime highs, with nights below freezing on average.

Does it snow a lot in Indiana Dunes in January?

Not much: about 2.3 in (58 mm) of rain or snow falls across January on average, the 2nd-driest month of the year. With temperatures this low, much of it may fall as snow. The annual total is about 38.7 in (984 mm).

What should I pack for Indiana Dunes in January?

Bring hat, gloves and thermal base layers (lows around 19°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 Indiana Dunes in January?

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

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