Pack or skip
Umbrella for Mesa in December
Verdict
Skip it
Only about 3 rainy days on average — you can risk it.
Why
Mesa in December averages highs of 67°F, lows of 45°F, 3 rainy days.
That climate means an umbrella isn't pulling its weight. Only about 3 rainy days on average — you can risk it.
What to bring instead
Consider rain jacket instead →
See the pack-or-skip verdict for rain jacket in Mesa in December.