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.

Current Weather in the Dry Tortugas Region

Averages and Records at Dry Tortugas

Month	Avg High	Avg Low	Record High	Record Low	Avg Precip
January	75	65	90	41	2.04
February	76	66	87	44	1.49
March	79	69	89	47	2.05
April	82	72	91	48	2.05
May	85	76	93	56	3.01
June	88	79	100	65	4.11
July	89	80	100	68	3.55
August	90	79	100	68	5.38
September	88	79	97	64	6.71
October	85	76	93	59	4.93
November	81	72	91	49	2.30
December	77	67	88	44	2.22

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