Pack or skip
Rain jacket for Philadelphia in December
Verdict
Pack it
Around 10 rainy days β a shell keeps you moving between subway stops.
Why
Philadelphia in December averages highs of 45Β°F, lows of 29Β°F, 10 rainy days.
That climate means a rain jacket earns its space in the bag. Around 10 rainy days β a shell keeps you moving between subway stops.