Weather & Climate Guide

Big Bend National ParkWeather & Climate Guide

Big Bend National Park in Texas receives an average of 13.9 inches of precipitation annually across 52 rainy days. The area also enjoys approximately 265 sunny days per year. The park is open Year-round, with the best conditions typically found in October and November and March.

13.9"
Total Precipitation
52
Rainy Days/Year
265
Sunny Days/Year
2.3"
Wettest Month (August)

Monthly Weather Charts

Monthly Precipitation (inches)

Temperature Range (°F)

Monthly Breakdown

MonthHigh (°F)Low (°F)Precipitation (in)Rainy DaysSunny Days
January61°35°0.4"323
February66°39°0.4"321
March75°46°0.4"224
April83°53°0.6"324
May90°61°1.2"424
June95°67°1.8"523
July94°68°2.1"720
August92°66°2.3"819
September87°61°2"620
October79°52°1.6"522
November68°42°0.6"323
December61°35°0.5"322

Best Time to Visit Big Bend National Park

Based on weather data, the best months to visit Big Bend National Park are October and November and March. During this period, you can expect comfortable temperatures and favorable trail conditions for exploring the park.

August is typically the wettest month, with an average of 2.3 inches of precipitation and 8 rainy days. Temperatures during the best visiting months range from highs in the 68s 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