Pack or skip
Sun hat for Mesa in October
Verdict
Pack it
Midday temps around 89°F — a brim beats reapplying sunscreen every hour.
Why
Mesa in October averages highs of 89°F, lows of 63°F, 3 rainy days.
That climate means a sun hat earns its space in the bag. Midday temps around 89°F — a brim beats reapplying sunscreen every hour.