Pack or skip
Rain jacket for San Francisco in March
Verdict
Pack it
Around 10 rainy days — a shell keeps you moving between subway stops.
Why
San Francisco in March averages highs of 63°F, lows of 49°F, 10 rainy days.
That climate means a rain jacket earns its space in the bag. Around 10 rainy days — a shell keeps you moving between subway stops.