Weather on May 18 at Dry Tortugas

Dry Tortugas National Park

FLSoutheast
Avg High86°F
Avg Low76°F
Warmest202489°F
Coldest197376°F

Based on 55 years of data from Key West, FL

Planning Your Visit

May 18th in Dry Tortugas National Park (via Key West, FL) typically brings warm spring weather, with average highs around 86°F and lows near 76°F. Over 55 years of records, the warmest May 18th was in 2024 (89°F average), while the coldest was 1973 (76°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 18th dates historically, with the wettest May 18th recording 4.95" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

Planning for May 18th in Dry Tortugas? Stay hydrated and seek shade during peak afternoon hours.

Year by Year History

YearHighLowPrecipSnow
202593°F79°F0.1"--
202495°F82°F0"--
202392°F74°F0"--
202288°F76°F0"--
202183°F77°F0"--
202090°F78°F0"--
201990°F80°F0"--
201884°F74°F0"--
201786°F78°F0"--
201691°F80°F0"--
201586°F78°F0"--
201483°F77°F0"--
201383°F77°F0"--
201284°F70°F4.95"--
201183°F75°F0"--
201088°F76°F0"0"
200982°F72°F0.64"0"
200890°F73°F0"0"
200785°F77°F0"0"
200678°F74°F0"0"
200590°F72°F1.27"0"
200483°F75°F0"0"
200387°F80°F0"0"
200286°F79°F0"0"
200184°F71°F0"0"
200087°F78°F0"--
199987°F75°F0.15"--
199885°F73°F0"0"
199788°F77°F0"0"
199685°F77°F0"0"
199588°F80°F0"0"
199489°F74°F2.31"0"
199386°F74°F0"0"
199284°F76°F0.64"0"
199185°F76°F0.03"0"
199087°F79°F0"0"
198989°F81°F0"0"
198884°F73°F0"0"
198785°F77°F0"0"
198685°F74°F1.07"0"
198586°F77°F0"0"
198482°F72°F0"0"
198385°F79°F0"0"
198282°F72°F0"0"
198186°F78°F0"0"
198087°F79°F0"0"
197984°F75°F0.03"0"
197884°F73°F0.03"0"
197785°F75°F0"0"
197687°F77°F0"0"
197590°F74°F1.37"0"
197486°F76°F0.36"0"
197381°F71°F0"0"
197281°F74°F2.84"0"
197183°F76°F0.13"0"

May 18 at Nearby Parks

Holiday Weather at Dry Tortugas

Official NPS WebsiteVisit nps.gov/drto for park information, alerts, and reservations

Explore More at Dry Tortugas

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