Pack or skip
Umbrella for Boston in December
Verdict
Pack it
Around 12 rainy days across the month — an umbrella earns its space.
Why
Boston in December averages highs of 42°F, lows of 28°F, 12 rainy days.
That climate means an umbrella earns its space in the bag. Around 12 rainy days across the month — an umbrella earns its space.