Is Florida warm enough to swim in January?

The warmest oceans in the US are in south Florida (palm beach to Monroe county). However, while the ocean temperature is safe to swim in January at a mild 71 degrees on average. Most will find this cold and will get uncomfortable after 10–20 minutes.



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Key West is the warmest beach you can visit in Florida in January. This is the closest part of Florida to the equator and will have the warmest weather in all of Florida. So if you are looking for warm. This is your place.

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The winter months in Florida are the coldest of the year and the water temperature can be quite chilly. However, there are still plenty of places where you can enjoy a winter beach vacation and have plenty of time to swim. The warmest oceans in the US are in south Florida (palm beach to Monroe county).

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Winter months in Florida can be unpredictable. It can be 95 degrees one day and 65 the next. Because of this you will need to heat your swimming pool at least some of the time. This will help keep it at the perfect temperature for you and your family.

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By January, water temps even as far south on the Gulf as Naples/Marco Island are mid-to-high 60s. On the Atlantic side, the Gulf Stream comes close to shore between Miami and Palm Beach, so water temps should be low 70s. Anywhere in that stretch is warmest (Palm Beach, Boynton, Delray, Boca, Ft. Lauderdale, Miami.

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You would want to have a wrap or light jacket for the evenings just in case, but there is still a good chance of having shorts weather for some or all your days in the parks. The Disney Resort Hotels heat their resort pools year-round to around 82 degrees (about 28 degrees Celsius).

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Yes, you can swim at our beaches, year 'round! Most visitors find our Gulf water temperatures quite pleasant, especially if they are coming from colder climates. See our chart of average Gulf water temperatures below.

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Average temperature in Gulf of Mexico in Siesta Key in January is 64°F. It is cool bathing water, but acceptable for short dives for physically fit and hardened people.

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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. During the summer months, the Gulf of Mexico will be five or more degrees warmer than the Atlantic Ocean.

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