Pack or skip
Packable down jacket for Tucson in June
Verdict
Skip it
Lows around 70°F — you'll never reach for it.
Why
Tucson in June averages highs of 100°F, lows of 70°F, 3 rainy days.
That climate means a packable down jacket isn't pulling its weight. Lows around 70°F — you'll never reach for it.