Pack or skip
Swimsuit for San Diego in October
Verdict
Pack it
Highs around 77°F — pools, beaches, and rooftop bars.
Why
San Diego in October averages highs of 77°F, lows of 63°F, 2 rainy days.
That climate means a swimsuit earns its space in the bag. Highs around 77°F — pools, beaches, and rooftop bars.