Planning a trip to Grand Teton National Park in August sounds like perfect timing… but there are a few things that can catch you off guard.
How crowded does it get? Are the best hikes fully accessible? Where do you actually see wildlife? And how do you plan your days so you’re not stuck in traffic or missing the best light on the mountains?
If you’re trying to figure all that out, you’re in the right place. I’ll walk you through exactly what to expect so you can plan it right.
I’ve spent time in the Tetons in peak summer and learned that August is incredible—but only if you’re strategic.
This guide is for you if you’re planning an August trip, want those iconic views, or are trying to balance hiking, wildlife, and scenic drives without feeling rushed. You’ll learn what the weather is really like, how busy it gets, what’s open, and how to plan your days.
Let’s take a look at Grand Teton in August.
‼️ If you just want a quick snapshot about my thoughts on the best time to visit Grand Teton National Park, check out my Best Time to Go To Grand Teton National Park guide.
Grand Teton National Park in August
Weather in Grand Teton National Park in August
July offers warm summer weather with cool mountain mornings.
Typical daytime highs in the 70s to low 80s°F with nighttime lows Often in the 40s to low 50s°F.
Afternoon thunderstorms are possible but usually brief.
What’s Open in Grand Teton National Park in August?
August is peak season in Grand Teton National Park, and everything is fully open and operating on summer schedules.
Here’s what you can expect:
Park Roads
All major roads are open in August, including the Teton Park Road (scenic interior road) and U.S. Highway 191/89/26 (which runs through the park) – forming the scenic loop drive. The scenic Jenny Lake Road and Signal Mountain Summit Road are both also open.
Moose-Wilson Road is also open and great for wildlife viewing.
Jenny Lake Area
August is prime time at Jenny Lake.
The Jenny Lake Visitor Center open, the boat shuttle across Jenny Lake is operating and the Cascade Canyon trail is open.
➡️ Read my Cascade Canyon Trail guide – this is my favorite hike in the park.
The downside is that the parking lots fill very early (often before 8:00 AM)!
Hiking Trails
August is prime hiking season and you can choose from easy lakeside walks to challenging alpine hikes. Trails are snow-free and dry. Even high-elevation routes are fully accessible.
➡️ See the Best Hikes in Grand Teton National Park
Visitor Centers
All visitor centers are fully operational and open daily in August.
Ranger programs include guided hikes, wildlife talks, and evening programs.
🛈 Craig Thomas Discovery & Visitor Center (Moose) is open in August.
🛈 The Jenny Lake Visitor Center, which has visitor information, exhibits, and park store, is open in August (until late September).
🛈 The Colter Bay Visitor Center is open in August (until the start of October). It has visitor information, a permits office, a park store, exhibits and a film. There are also often visit with the Indigenous Arts and Cultural Demonstration Artist.
🛈 Pathways & Information Kiosks: Seasonal information is available at trailheads and outdoor panels in August.
🛈 The Laurance S. Rockefeller Preserve Center is open in August (until late September).
🛈 The Jenny Lake Ranger Station, which has climbing information and issues backcountry permits, s open in August (until early September).
Accommodations & Lodges
All facilities are fully open — and in high demand.
Inside the Park
🛏️ Jenny Lake Lodge and Dining Room is open in August (from the end of May until early October).
🛏️ Signal Mountain Lodge (and all the restaurants there as well as the general store and gas station) is open in August (from the second week of May until mid-October).
🛏️ Triangle X Dude and Guest Ranch is open in August (late May to early October).
🛏️ Jackson Lake Lodge (and all the restaurants there) is open in August (mid-May to early October).
🛏️ Colter Bay Cabins is open in August (late May to the end of September).
🛏️ Headwaters Lodge and Cabins (and Sheffields Restaurant) is open in August (from the beginning of June until the beginning of October).
Gateway Towns
You may choose to stay in nearby towns more services and options:
Jackson, WY: Full range of hotels, motels, cabins, and services.
Wilson/Teton Village: Great choices near the Moose-Wilson corridor.
Victor/Driggs, ID & Star Valley, WY: Quiet alternatives with mountain views.
Find somewhere to stay
Check out my guides:
➡️ The Best Hotels in Grand Teton National Park
➡️ The Best Hotels in Jackson
➡️ The Best Luxury Hotels in Jackson Hole
➡️ The Best Vacation Rentals in Jackson Hole
Or
➡️ Find a hotel in Jackson on Expedia.
➡️ Find a hotel in Teton Village on Expedia.
➡️ Find a vacation rental around Jackson Hole on VRBO.
Campgrounds in Grand Teton National Park
⛺ The Gros Ventre Campground is open in August (late April until mid-October.
⛺ Signal Mountain Campground is open in August (the second week of May until mid-October).
⛺ Colter Bay Campground is open in August (late May to the end of September).
⛺ Colter Bay RV Park is open in August (very early May until mid-ish October).
⛺ The Colter Bay Tent Village is open in August (late May to the beginning of September).
⛺ Headwaters Campground and RV Park is open in August (early May though the start of October).
⛺ Jenny Lake Campground is open in August (the start of July until late September).
⛺ Lizard Creek Campground is open in August (mid June to early September).
🚿 The Colter Bay Launderette and Showers are open in August (early May to mid-October).
Reservations are essential — August is peak season.
Water-Based Services
These are the warmest and driest months and it is possible to enjoy hiking, boating, fishing, wild water rafting, kayaking, cycling and even swimming in summer.
Boat Launches and Marinas
🚣♀️ Moose Landing and Snake River boat launches are usually open in August.
🚣♀️ The Deadmans Bar and the Pacific Creek Landing on Snake River boat launch opens when the winter wildlife closure lifted, which is usually the beginning of April (until mid-December).
🚣♀️ The Jackson Lake Dam, Snake River boat launch is usually open in August.
⛵ Signal Mountain Marina is open in August (mid-May until late September).
⛵ Water levels permitting, the Colter Bay Marina is open in August i(late May to late September).
⛵ Leeks Marina is open in August (mid-May through late September).
🛶 The String Lake Canoe Launch is open in August (it opens at the same time the Teton Park Road opens (typically May 1) and is open until the Teton Park Road closes for the winter, usually the end of October).
⚠️ Aquatic Invasive Species Watercraft Inspection Station is open in August (mid-May until end of September).
Boat Cruises
🛥️ The Jenny Lake Boat Shuttle and Cruises is open in August (mid-May (if the ice has cleared) – until late September).
Other Attractions & Services
Sights
🪵 The Menors Ferry Historic District is open in August.
🪵 The Cunningham Cabin Historic District is open year round.
⛪ The Chapel of the Transfiguration is open all year round. There are usually services in August.
🚠 The Jackson Hole Aerial Tram is open in August (it’s usually open from the start of the second week of June until early September).
⛪ Chapel of the Sacred Heart is open July through September with services most Sundays.
Horses
🐎 Jackson Lake Lodge Corrals is open in August (late May until early October).
🐎 The Colter Bay Corrals is open in August (late May until the beginning of September).
🐎 Headwaters Corrals is open in August (it’s usually open from the start of June through the end of August).
Stores and Restaurants
🏪 The Jenny Lake General Store is open in August (early May until early October).
🏪 The Colter Bay Convenience Store and Gas Station is open in August (mid-April to mid-October).
🏪 Headwaters Convenience Store and Gas Station is open in August (early May until mid-October).
🏪 The Colter Bay General Store and Ranch House Restaurant is open in August (late May to late September).
🍕 The Colter Bay Pizzeria is open in August (late May to the beginning of September).
🍕 Leeks Pizzeria is open in August (late May until early September).
Wildlife and Wildflowers
Wildlife remains active in August. Moose are often seen near wetlands and rivers. Elk and deer are common in meadows. Bears are active in the park — always observe from a safe distance and take bear spray. Birdlife is abundant.
Early morning and evening are the best times for wildlife spotting.
Wildflowers may still be visible at higher elevations early in the month. Meadows remain green and vibrant.
The Tetons may still have some snow patches at the highest peaks. This is a great month for clear views and classic mountain scenery.
Is August a Good Time to Visit Grand Teton National Park?
August is a good month to visit Grand Teton National Park if you want warm days, full access to all areas of the park, and some of the best hiking conditions of the year. Alpine trails are fully open, wildflowers still linger in higher elevations, and wildlife remains active across valleys and mountains. Long daylight hours make it easy to explore from sunrise to sunset.
The downside? August is one of the busiest months, so expect crowds at popular spots like Jenny Lake, String Lake, and Mormon Row.
With careful planning and early starts, you can enjoy stunning scenery, active wildlife, and everything the park has to offer during peak summer. But it does take planning.
Pros
- Full access to all areas
- Excellent hiking conditions
- Warm, stable weather
- Active wildlife
- Long daylight hours
Cons
- Crowds are at their highest
- Parking can be difficult at popular areas
- Afternoon thunderstorms are possible
- Lodging and campsites fill quickly
✨ PUTTING IT ALL TOGETHER ✨
Deciding when to go to Grand Teton National Park for is a very important step in planning your trip, and I hope this guide is helping.
However, as I’m sure you’re very aware, this is just one thing of many to decide.
Once you’ve decided the timing of your trip, you still need to
make an actual plan.
In fact, the thing that most people ask me about is
how to put it all together into an itinerary that makes sense. They decide when they’ll go and maybe even book their flights, but still worry about how to minimize the crowds, what to do – and when – and how to coordinate it all.
To help
take away the overwhelm of planning a trip to Grand Teton National Park, I’ve created several super
detailed itineraries.
Without them, people often feel stressed about planning their trip. With them, they have the confidence of getting all the info they need in one spot. Plus,
there’s flexibility built in, so they can easily adapt them to their own interests and activity levels.
There are 1-, 2-, and 3- day options for Grand Teton National Park: all with detailed hour-by-hour schedules, including alternatives for different activity and fitness levels, plus trail maps and descriptions, driving instructions, important information, essential tips, and
everything else you need to plan your trip to Grand Teton National Park.
➡️ Check out the three Grand Teton National Park itinerary options
Enjoy Grand Teton National Park whenever you go!
Additional Planning Resources for Grand Teton National Park
⭐ Grand Teton National Park Guide
⭐ Grand Teton Itinerary
⭐ Planning a Trip to Grand Teton National Park: 7 Mistakes to Avoid
⭐ Best Things To Do In Grand Teton National Park
⭐ The 42-Mile Scenic Loop Drive, Grand Teton National Park
⭐ Best Grand Teton Viewpoints
⭐ Best Hikes in Grand Teton National Park
⭐ Hiking The Cascade Canyon Trail, Grand Teton National Park
⭐ How Many Days in Grand Teton National Park?
⭐ Best Things to Do in Grand Teton National Park in Winter
⭐ Visiting Grand Teton National Park in Winter: Complete Guide
⭐ When is the Best Time to Visit Grand Teton National Park?
⭐ Tips For Visiting Grand Teton National Park
⭐ How To Get To Grand Teton National Park
⭐ The Main Airports Near Grand Teton National Park
⭐ The Airport Nearest Grand Teton National Park
⭐ 12 Fun Facts about Grand Teton National Park
⭐ Best Books about Grand Teton National Park
⭐ Best Airbnbs Jackson Hole, Wyoming
What do you think is the best month to visit Grand Teton National Park? Join my private Facebook group National Parks Collectors and comment and let me know.
If you liked this article about Grand Teton National Park in August, Pin It to your Grand Teton National Park board:
➡️ If you are also planning to visit Yellowstone in the same trip, read my Yellowstone National Park Guide and detailed Yellowstone itineraries.
James Ian is a national park, camping and hiking expert.
He has dedicated his life to travel, visiting more than 80 countries, all 7 continents and most of the national parks in the United States. With over 35 years experience in the travel industry, James has worked on cruise ships, at resorts and hotels, and as a travel planner who’s helped hundreds of people plan successful trips to US national parks.
Based on his experience visiting our national parks multiple times, in-depth research and expertise as a travel planner, James has published detailed itineraries for many of the major national parks in the US. These itineraries, as well as in-depth park guides, and other resources will help you have your own incredible trip to US national parks without stress and hassle.
As a national park expert, James has contributed to many publications, including USA Today, Newsweek, Time Business News, Savoteur, Best Trip, and Wired.
Read more…
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