Pack or skip
Beanie for Tucson in January
Verdict
Pack it
Lows around 38°F — a beanie doubles the perceived warmth for zero grams.
Why
Tucson in January averages highs of 63°F, lows of 38°F, 5 rainy days.
That climate means a beanie earns its space in the bag. Lows around 38°F — a beanie doubles the perceived warmth for zero grams.