As a general rule, the water anywhere in Florida will be warm enough to swim between April and October. During the cooler months, the farther south you go, the warmer it will be. Fort Lauderdale, Miami, the Keys, Marco Island and Naples will have the warmest water during the winter.
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Those crowds and prices taper off from May through September, and temperatures typically remain manageable, with summer highs of around 90 degrees. Hurricane season, though, can put a damper on an off-season visit — storms are most common in the Keys in August, September, and October.
As hot summer temperatures turn cooler and the tourism season slows down, mid-September to November can be one of the best seasons to book your Florida vacation. With the reward of fewer crowds and lower rates, there can be risks involved with potential hurricanes or tropical storms.
One of the best times to fly cheaply would be late May or early June - just before school holidays start. However, be sure to avoid travel in and around Memorial Day as you may find prices are slightly higher at this time.
According to Florida Health, Vibrio vulnificus is a bacterium that naturally occurs in warm, brackish seawater and requires salt. This year, there have been 25 reported cases and five deaths since January 2023. “Living in Florida, being around the marine environment, we need to be aware of what it is,” said Dr.
The TakeawayWith its mild year-round climate and hundreds of miles of stunning coastlines with sandy beaches, Florida is ideal for outdoor activities in December. You could spend the entire day reveling in the sun on the beach. Wash your winter blues away with warm weather and some of the best beaches in the country.
Yes, the water in Florida in December is plenty warm to swim in. If you plan on spending a lot of time in the ocean you will want to head to the more Southern parts of Florida as they will have warmer water temperatures.