Pack or skip
Flip-flops for San Diego in June
Verdict
Optional
Warm enough to wear in the evening or on the beach; not on a city walking day.
Why
San Diego in June averages highs of 77°F, lows of 64°F, 0 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.