Pack or skip
Insect repellent for São Paulo in May
Verdict
Pack it
Warm (73°F) plus 8 rainy days = mosquito conditions.
Why
São Paulo in May averages highs of 73°F, lows of 58°F, 8 rainy days.
That climate means insect repellent earns its space in the bag. Warm (73°F) plus 8 rainy days = mosquito conditions.