Pack or skip
Sunscreen for San Francisco in January
Verdict
Optional
Bring a stick or travel-size β better than a sunburn on day one.
Why
San Francisco in January averages highs of 57Β°F, lows of 46Β°F, 11 rainy days.
That climate makes sunscreen a judgment call. Bring a stick or travel-size β better than a sunburn on day one.