Pack or skip
Packable down jacket for San Antonio in May
Verdict
Skip it
Lows around 67°F — you'll never reach for it.
Why
San Antonio in May averages highs of 87°F, lows of 67°F, 9 rainy days.
That climate means a packable down jacket isn't pulling its weight. Lows around 67°F — you'll never reach for it.