Weather & Climate Guide

Black Canyon of the Gunnison National ParkWeather & Climate Guide

Black Canyon of the Gunnison National Park in Colorado receives an average of 13.2 inches of precipitation annually across 80 rainy days. The area also enjoys approximately 222 sunny days per year. The park is open Year-round (North Rim closed in winter), with the best conditions typically found in May and June and September.

13.2"
Total Precipitation
80
Rainy Days/Year
222
Sunny Days/Year
1.4"
Wettest Month (August)

Monthly Weather Charts

Monthly Precipitation (inches)

Temperature Range (°F)

Monthly Breakdown

MonthHigh (°F)Low (°F)Precipitation (in)Rainy DaysSunny Days
January35°10°1"717
February39°14°0.9"616
March48°22°1.1"717
April57°29°1.2"717
May67°37°1.3"818
June78°44°0.7"523
July85°52°1.2"720
August82°50°1.4"819
September74°42°1.2"621
October61°31°1.2"620
November45°19°1"618
December35°10°1"716

Best Time to Visit Black Canyon of the Gunnison National Park

Based on weather data, the best months to visit Black Canyon of the Gunnison National Park are May and June and September. 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 1.4 inches of precipitation and 8 rainy days. Temperatures during the best visiting months range from highs in the 67s to 78s °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