Pack or skip
Sunscreen for Knoxville in December
Verdict
Optional
Bring a stick or travel-size — better than a sunburn on day one.
Why
Knoxville in December averages highs of 51°F, lows of 31°F, 10 rainy days.
That climate makes sunscreen a judgment call. Bring a stick or travel-size — better than a sunburn on day one.