Pack or skip
Sun hat for Tbilisi in December
Verdict
Skip it
Highs around 48°F — too cool for prolonged sun exposure.
Why
Tbilisi in December averages highs of 48°F, lows of 34°F, 10 rainy days.
That climate means a sun hat isn't pulling its weight. Highs around 48°F — too cool for prolonged sun exposure.