Pack or skip
Flip-flops for San Jose in October
Verdict
Optional
Warm enough to wear in the evening or on the beach; not on a city walking day.
Why
San Jose in October averages highs of 76°F, lows of 53°F, 3 rainy days.
That climate makes flip-flops a judgment call. Warm enough to wear in the evening or on the beach; not on a city walking day.