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Weather in Dry Tortugas

Dry Tortugas National Park has a subtropical climate. April and May typically have the best conditions. There are two main seasons: The winter season from December to March, which can be windy with rough seas, and the tropical storm season from June to November, during which Dry Tortugas has both hot, humid weather with calm seas or severe weather. If you plan to visit by private watercraft, an accurate nautical forecast is essential. Those arriving by ferry or seaplane charter can rely on the operator to check weather. The statistics below are for Key West, which at 70 miles east of the park, is the closest developed area. The weather is quite similar.

Averages and Records at Dry Tortugas

MonthAvg HighAvg LowRecord HighRecord LowAvg Precip
January756590412.04
February766687441.49
March796989472.05
April827291482.05
May857693563.01
June8879100654.11
July8980100683.55
August9079100685.38
September887997646.71
October857693594.93
November817291492.30
December776788442.22

All temperatures are reported in Fahrenheit. All precipitation is reported in inches.

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