Black Canyon of the Gunnison in August: Crowds, Weather & What to Pack
Peak crowds · VisitWhen score 64/100 · #8 of 12 months
August is peak season — the 4th-busiest month of the year, at Black Canyon of the Gunnison National Park: crowds run 90% of the June peak (43,620 average visits). Weather: highs average 81°F and lows 52°F, with 1.7″ of precipitation and 13.7 hours of daylight. Computed from NPS and NOAA data.
Planning Black Canyon of the Gunnison? Pack the trail map: Black Canyon of the Gunnison Trails Illustrated map on Amazon. · affiliate link, VisitWhen earns from qualifying purchases
Bring for Black Canyon of the Gunnison in August
- A light layer you can shed by midday (long sleeve or windbreaker)See it on AmazonWhy: a 29°F swing between the average low of 52°F and high of 81°F.
- Sturdy, broken-in hiking bootsSee it on AmazonWhy: every park, every month.
- Water bottles for the daySee it on AmazonWhy: hydration is one of the NPS Ten Essentials.
Affiliate links: VisitWhen earns from qualifying purchases, at no extra cost to you. Prices can change; Amazon shows the current one.

Crowds in August
Black Canyon of the Gunnison averages 43,620 recreation visits in August — 90% of what June, the peak month, draws. Trailheads and parking fill accordingly — book early and start days at dawn.
Weather & daylight
Days run warm (highs average 81°F), and nights stay mild (lows average 52°F). It is typically dry (1.7″ of precipitation). Mid-month daylight runs 13.7 hours.
NOAA 1991–2020 monthly normals, station BLACK CANYON OF THE GUNNISON, CO US (2 mi from park coordinates, 8,151 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of August.
What to pack for Black Canyon of the Gunnison in August
Computed from the month's weather normals above — not a generic list.
- A light layer you can shed by midday (long sleeve or windbreaker) — a 29°F swing between the average low of 52°F and high of 81°F
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
As an Amazon Associate, VisitWhen earns from qualifying purchases. Gear names above link to Amazon searches or to a specific product — we don't show or set prices; you always see Amazon's current price.
If your dates are flexible, consider shifting: The computed best months for Black Canyon of the Gunnison are March and April.
Also at their best in August
Other parks whose computed August verdict is a best window — same NPS × NOAA formula:
- Guadalupe Mountains in August — 28% of peak crowds, highs 84°F, score 80/100
- Lassen Volcanic in August — 56% of peak crowds, highs 78°F, score 77/100
- Bryce Canyon in August — 81% of peak crowds, highs 78°F, score 68/100
- Redwood in August — 85% of peak crowds, highs 66°F, score 67/100
Common questions
Is Black Canyon of the Gunnison crowded in August?
Yes — August runs 90% of Black Canyon of the Gunnison's peak, averaging 43,620 recreation visits (NPS, 2021–2025). See every month at Black Canyon of the Gunnison.
What is the weather like in Black Canyon of the Gunnison in August?
Average highs of 81°F, lows of 52°F, 1.7″ of precipitation (NOAA 1991–2020 normals, BLACK CANYON OF THE GUNNISON, CO US station). Compare it with other national parks in August.
What should I pack for Black Canyon of the Gunnison in August?
A light layer you can shed by midday (long sleeve or windbreaker); Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page. Going in September instead? Black Canyon of the Gunnison in September has its own list.
See also: the best national parks to visit in August · Last verified 2026-09-24