Visitors to this barrier island off the coast of Florida during the fifth month of the year can expect daytime temperatures averaging in the low 80s Fahrenheit (high 20s Celsius). Nighttime lows generally settle in the mid-60s Fahrenheit (around 18 degrees Celsius). Ocean temperatures are typically pleasant for swimming, averaging in the low 70s Fahrenheit (low 20s Celsius). While May falls within the shoulder season, it marks the transition from spring to summer, offering warm and sunny conditions ideal for outdoor activities.
This period represents a sweet spot for many travelers, offering a balance of pleasant weather and fewer crowds than the peak summer months. The favorable conditions are conducive to exploring the island’s diverse ecosystems, including pristine beaches, maritime forests, and salt marshes. Historically, May has been a popular time for fishing and birding, as various species migrate through the region. The comfortable climate also makes it ideal for enjoying the island’s historic district, golfing, and participating in various watersports.