Pack or skip
Insect repellent for Boston in August
Verdict
Pack it
Warm (81°F) plus 9 rainy days = mosquito conditions.
Why
Boston in August averages highs of 81°F, lows of 66°F, 9 rainy days.
That climate means insect repellent earns its space in the bag. Warm (81°F) plus 9 rainy days = mosquito conditions.