Pack or skip
Flip-flops for São Paulo in December
Verdict
Optional
Warm enough to wear in the evening or on the beach; not on a city walking day.
Why
São Paulo in December averages highs of 80°F, lows of 65°F, 14 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.