Pack or skip
Sun hat for Fresno in December
Verdict
Skip it
Highs around 54°F — too cool for prolonged sun exposure.
Why
Fresno in December averages highs of 54°F, lows of 38°F, 5 rainy days.
That climate means a sun hat isn't pulling its weight. Highs around 54°F — too cool for prolonged sun exposure.