Pack or skip
Insect repellent for San Antonio in May
Verdict
Pack it
Warm (87°F) plus 9 rainy days = mosquito conditions.
Why
San Antonio in May averages highs of 87°F, lows of 67°F, 9 rainy days.
That climate means insect repellent earns its space in the bag. Warm (87°F) plus 9 rainy days = mosquito conditions.