Pack or skip
Packable down jacket for Tucson in August
Verdict
Skip it
Lows around 72°F — you'll never reach for it.
Why
Tucson in August averages highs of 96°F, lows of 72°F, 10 rainy days.
That climate means a packable down jacket isn't pulling its weight. Lows around 72°F — you'll never reach for it.