Pack or skip
Sun hat for Knoxville in January
Verdict
Skip it
Highs around 48°F — too cool for prolonged sun exposure.
Why
Knoxville in January averages highs of 48°F, lows of 29°F, 11 rainy days.
That climate means a sun hat isn't pulling its weight. Highs around 48°F — too cool for prolonged sun exposure.