Pack or skip
Sunscreen for San Francisco in March
Verdict
Optional
Bring a stick or travel-size β better than a sunburn on day one.
Why
San Francisco in March averages highs of 63Β°F, lows of 49Β°F, 10 rainy days.
That climate makes sunscreen a judgment call. Bring a stick or travel-size β better than a sunburn on day one.