Pack or skip
Winter coat for San Francisco in May
Verdict
Optional
Lows around 52°F — a packable puffer covers the cold mornings.
Why
San Francisco in May averages highs of 65°F, lows of 52°F, 4 rainy days.
That climate makes a winter coat a judgment call. Lows around 52°F — a packable puffer covers the cold mornings.