Pack or skip
Insect repellent for Michigan City in May
Verdict
Pack it
Warm (68°F) plus 9 rainy days = mosquito conditions.
Why
Michigan City in May averages highs of 68°F, lows of 49°F, 9 rainy days.
That climate means insect repellent earns its space in the bag. Warm (68°F) plus 9 rainy days = mosquito conditions.