Pack or skip
Rain jacket for San Jose in December
Verdict
Pack it
Around 8 rainy days — a shell keeps you moving between subway stops.
Why
San Jose in December averages highs of 57°F, lows of 41°F, 8 rainy days.
That climate means a rain jacket earns its space in the bag. Around 8 rainy days — a shell keeps you moving between subway stops.