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Key Biscayne, FL

Worst times to visit Key Biscayne

The weeks, days and hours locals would tell you to avoid in Key Biscayne — and what to do instead.

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Key Biscayne month by month

Festivals, conventions, weather and price seasons that change what a visit is like. Researched by the TripVibz editors from official event and weather sources.

January

Winter weekdays — good. Crandon Park Beach is much less crowded in winter, and on weekdays you may have long stretches of sand nearly to yourself.

February

Winter weekdays — good. Crandon Park Beach is much less crowded in winter, and on weekdays you may have long stretches of sand nearly to yourself.

March

Winter weekdays — good. Crandon Park Beach is much less crowded in winter, and on weekdays you may have long stretches of sand nearly to yourself.

Sargassum season — busy. Miami-Dade's sargassum season runs from March through October, and the island's ocean-facing beaches can get heavy seaweed in some years.

April

Sargassum season — busy. Miami-Dade's sargassum season runs from March through October, and the island's ocean-facing beaches can get heavy seaweed in some years.

May

Rainy season — avoid. From mid-May to mid-October, expect heat, humidity and frequent thunderstorms. Plan beach time for the morning.

Sargassum season — busy. Miami-Dade's sargassum season runs from March through October, and the island's ocean-facing beaches can get heavy seaweed in some years.

June

Summer weekend crowds — busy. On summer weekends, Crandon Park's 3,000 parking spaces fill up and shaded picnic tables go early. Come on a weekday or arrive early.

Rainy season — avoid. From mid-May to mid-October, expect heat, humidity and frequent thunderstorms. Plan beach time for the morning.

Sargassum season — busy. Miami-Dade's sargassum season runs from March through October, and the island's ocean-facing beaches can get heavy seaweed in some years.

July

Fourth of July Parade — busy. Held every July 4 since 1959, the morning parade runs along Crandon Boulevard, the island's main road.

Summer weekend crowds — busy. On summer weekends, Crandon Park's 3,000 parking spaces fill up and shaded picnic tables go early. Come on a weekday or arrive early.

Rainy season — avoid. From mid-May to mid-October, expect heat, humidity and frequent thunderstorms. Plan beach time for the morning.

Sargassum season — busy. Miami-Dade's sargassum season runs from March through October, and the island's ocean-facing beaches can get heavy seaweed in some years.

August

Hurricane season peak — avoid. Most Atlantic hurricane activity comes between mid-August and mid-October. The Rickenbacker Causeway is the only road on and off the island.

Summer weekend crowds — busy. On summer weekends, Crandon Park's 3,000 parking spaces fill up and shaded picnic tables go early. Come on a weekday or arrive early.

Rainy season — avoid. From mid-May to mid-October, expect heat, humidity and frequent thunderstorms. Plan beach time for the morning.

Sargassum season — busy. Miami-Dade's sargassum season runs from March through October, and the island's ocean-facing beaches can get heavy seaweed in some years.

September

Hurricane season peak — avoid. Most Atlantic hurricane activity comes between mid-August and mid-October. The Rickenbacker Causeway is the only road on and off the island.

Rainy season — avoid. From mid-May to mid-October, expect heat, humidity and frequent thunderstorms. Plan beach time for the morning.

Sargassum season — busy. Miami-Dade's sargassum season runs from March through October, and the island's ocean-facing beaches can get heavy seaweed in some years.

October

Hurricane season peak — avoid. Most Atlantic hurricane activity comes between mid-August and mid-October. The Rickenbacker Causeway is the only road on and off the island.

Rainy season — avoid. From mid-May to mid-October, expect heat, humidity and frequent thunderstorms. Plan beach time for the morning.

Sargassum season — busy. Miami-Dade's sargassum season runs from March through October, and the island's ocean-facing beaches can get heavy seaweed in some years.

December

Winter weekdays — good. Crandon Park Beach is much less crowded in winter, and on weekdays you may have long stretches of sand nearly to yourself.