Weather & Climate Guide

Biscayne National ParkWeather & Climate Guide

Biscayne National Park in Florida receives an average of 55.5 inches of precipitation annually across 125 rainy days. The area also enjoys approximately 197 sunny days per year. The park is open Year-round, with the best conditions typically found in December and January and February.

55.5"
Total Precipitation
125
Rainy Days/Year
197
Sunny Days/Year
8.5"
Wettest Month (June)

Monthly Weather Charts

Monthly Precipitation (inches)

Temperature Range (°F)

Monthly Breakdown

MonthHigh (°F)Low (°F)Precipitation (in)Rainy DaysSunny Days
January77°61°1.8"620
February79°62°1.6"520
March81°65°2"522
April84°69°2.8"622
May87°73°5.5"1215
June89°76°8.5"1611
July91°77°6.5"1612
August91°77°7.8"1711
September89°76°8.2"1710
October86°73°6.2"1314
November82°68°2.8"719
December78°63°1.8"521

Best Time to Visit Biscayne National Park

Based on weather data, the best months to visit Biscayne National Park are December and January and February. During this period, you can expect comfortable temperatures and favorable trail conditions for exploring the park.

June is typically the wettest month, with an average of 8.5 inches of precipitation and 16 rainy days. Temperatures during the best visiting months range from highs in the 77s to 79s °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