Pack or skip
Thermal underwear for Michigan City in March
Verdict
Pack it
Lows around 30°F — thermals are the difference between a walk and a march.
Why
Michigan City in March averages highs of 47°F, lows of 30°F, 8 rainy days.
That climate means thermal underwear earns its space in the bag. Lows around 30°F — thermals are the difference between a walk and a march.