Pack or skip
Flip-flops for Barcelona in October
Verdict
Optional
Warm enough to wear in the evening or on the beach; not on a city walking day.
Why
Barcelona in October averages highs of 73°F, lows of 61°F, 7 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.