Pack or skip
Thermal underwear for Sarasota in December
Verdict
Skip it
Lows near 55°F — you'll overheat.
Why
Sarasota in December averages highs of 74°F, lows of 55°F, 6 rainy days.
That climate means thermal underwear isn't pulling its weight. Lows near 55°F — you'll overheat.