Weather & Climate Guide

Dry Tortugas National ParkWeather & Climate Guide

Dry Tortugas National Park in Florida receives an average of 40.1 inches of precipitation annually across 100 rainy days. The area also enjoys approximately 226 sunny days per year. The park is open Year-round, with the best conditions typically found in March and April and May.

40.1"
Total Precipitation
100
Rainy Days/Year
226
Sunny Days/Year
6.5"
Wettest Month (September)

Monthly Weather Charts

Monthly Precipitation (inches)

Temperature Range (°F)

Monthly Breakdown

MonthHigh (°F)Low (°F)Precipitation (in)Rainy DaysSunny Days
January75°65°1.5"522
February76°65°1.2"422
March79°68°1.3"424
April82°71°1.5"424
May86°76°3.5"819
June89°79°5.5"1215
July90°80°4.8"1216
August90°80°5.8"1414
September89°79°6.5"1512
October85°76°4.8"1116
November80°71°2.2"620
December77°67°1.5"522

Best Time to Visit Dry Tortugas National Park

Based on weather data, the best months to visit Dry Tortugas National Park are March and April and May. During this period, you can expect comfortable temperatures and favorable trail conditions for exploring the park.

September is typically the wettest month, with an average of 6.5 inches of precipitation and 15 rainy days. Temperatures during the best visiting months range from highs in the 79s to 86s °F.

For the best combination of pleasant weather and manageable crowds, consider visiting during the shoulder months at the edges of peak season. Weekdays generally offer a more peaceful experience on popular trails and at key viewpoints.

Packing Tips by Season

Spring (Mar-May)

  • Layered clothing for variable temps
  • Waterproof rain jacket
  • Muddy trail boots with good traction
  • Quick-dry hiking pants
  • Light fleece or insulating midlayer
  • Hat and sunglasses
  • Waterproof day pack

Summer (Jun-Aug)

  • Sun protection (hat, sunscreen SPF 50+)
  • Plenty of water (hydration pack)
  • Light layers for altitude changes
  • Breathable moisture-wicking shirts
  • Lightweight hiking shoes
  • Insect repellent
  • Sunglasses with UV protection

Fall (Sep-Nov)

  • Layering system (base, mid, shell)
  • Warm jacket for cool mornings
  • Long pants for brush and cooler temps
  • Sturdy hiking boots
  • Warm hat and gloves for early starts
  • Headlamp (shorter daylight hours)
  • Rain shell for unexpected showers

Winter (Dec-Feb)

  • Heavy insulation (down or synthetic)
  • Traction devices (microspikes/crampons)
  • Cold weather gear (thermal layers)
  • Insulated waterproof boots
  • Warm hat, gloves, and neck gaiter
  • Hand and toe warmers
  • Gaiters for snow-covered trails