December on Sanibel Island, Florida, typically offers visitors and residents mild, dry conditions. Average high temperatures hover in the low 70sF (low 20sC), while average lows settle in the mid-50sF (low teensC). Rainfall is minimal during this month, contributing to the island’s renowned dry season. These comfortable temperatures and sunny skies create an ideal environment for outdoor activities like shelling, birdwatching, and cycling.
The pleasant climate of this period attracts numerous visitors seeking refuge from colder northern climates. This influx contributes significantly to the island’s tourism industry, supporting local businesses and the economy. Historically, December has marked the beginning of the peak season for Sanibel, following the hurricane season and preceding the wetter summer months. The dry conditions also coincide with ideal shelling conditions, as winter storms further offshore often churn up shells and deposit them along the shoreline.
