Sanibel Island March 2024 Weather Averages. Weather.com brings you the most accurate monthly weather forecast for sanibel, fl with average/record and high/low temperatures, precipitation and more. March in sanibel island generally has warm temperatures, with moderate precipitation.

Are you planning a holiday with hopefully nice weather in sanibel island in march 2025? Get the monthly weather forecast for sanibel, fl, including daily high/low, historical averages, to help you plan ahead.