Yellowstone National Park is always beautiful, but the best time to visit is generally June through September. Early summer months offer wildlife viewing opportunities and green landscapes, while the start of fall brings cooler temperatures and fewer crowds. July and August make for the sunniest, driest days, and therefore the most dependable access to park attractions, roads, and campgrounds — making them especially convenient for RV travelers.
Below, we’ll walk you through the best times of the year to visit Yellowstone National Park, along with tips and tricks for making the most of your Yellowstone RV road trip.
When Is the Best Time of Year to Visit Yellowstone?
The best time of the year to visit Yellowstone is the summertime, though even over these few months, conditions can change considerably.
In June, any snow will likely be freshly melted, and wildlife will be more active as spring reaches its height. September offers another beautiful window, with all the benefits of the high summer months plus milder temperatures for long hikes and fewer crowds to battle.
July and August are the classic months to visit, with peak tourist activity and also peak sunshine. Keep in mind, though, that even in the heart of summer, nighttime temperatures can drop dramatically thanks to the elevation. You’ll want to bring warm layers no matter when you’re visiting.
Yellowstone Weather and Conditions by Season
While summer may be the best time to visit Yellowstone, every time of year has its own unique flavor. Here are the weather and conditions you can expect at America’s oldest national park by season.
Spring (March–May): Wildlife and Reopening Roads
The heart of spring is a time of major transition in Yellowstone, where the Valley goes from a snowy winter wonderland to bright and green. Each year will have its own oscillations between these two states during these months.
It can be difficult to predict weather and accessibility during this period far enough in advance to plan for the trip. Large parts of the park may still be under snow even in May, which can make access difficult.
However, this part of the year does have a standout feature that many travelers would want to plan around. It’s prime time for wildlife, including brand-new babies, from bison and elk calves to bear cubs. However, post-hibernation hunger and protective energy make it as important as ever to treat wild animals with plenty of respect — and leave them plenty of space.
Summer (June–August): Warm Weather and Full Park Access
If there were a platonic ideal season for Yellowstone, it would be summer — to absolutely no one’s surprise. As we’ve already mentioned, this part of the year brings the warmest weather along with full snowmelt and therefore full access to all parts and features of the park.
Of course, there is a tradeoff… which is that everyone knows it’s the best time to be here, and therefore it can get seriously crowded. If you want to pull off a summer Yellowstone road trip, we recommend booking as far in advance as possible, and opting for mid-week travel dates if possible.
Fall (September–November): Wildlife and Fewer Crowds
Fall is a great opportunity to enjoy much of the best of Yellowstone with fewer crowds, though the daytime temperatures can begin to fall pretty precipitously once you hit October. However, gorgeous golden aspen trees mixed in among the iconic lodgepole pines make for a gorgeous view that’s well worth layering up for.
This part of the year is also an active mating season for many local animal residents, so it can be another great opportunity to spot wildlife. And perhaps best of all, the summer crowds have thinned out, so you’ll be able to enjoy the area with some spaciousness.
Winter (December–February): Snow and Limited Vehicle Access
While Yellowstone remains open in the wintertime, snowy conditions can make travel difficult. Many of the park’s interior roads will be closed to regular vehicle traffic for safety, though snowmobiles and snowcoaches can weather them.
One great option for a winter Yellowstone visit is to stay at Mammoth Hot Springs Hotel and Cabins, which remains open from December through March. Mammoth Campground is also open all year round on a first-come, first-served basis, but keep in mind that it doesn’t offer electric hookups, so you’ll need to make sure you can stay warm without them (whether that means some serious blankets or running your generator).
Yellowstone Weather: At a Glance
| Season | Conditions and Considerations | Best Camping Option |
| Spring | Baby animal energy; unpredictable weather; snow can still be on the ground and road closures in place | Mammoth Campground in March and April; Fishing Bridge RV Park opens in May |
| Summer | Gorgeous weather; swarming crowds | Fishing Bridge RV Park, Madison Campground |
| Fall | Cooling temperatures; fall foliage; less traffic | Fishing Bridge RV Park |
| Winter | Snow-covered landscape and road closures; wildlife spotting opportunities | Mammoth Campground |
What Is the Best Month to Visit Yellowstone?
Every month of the year has its own charms in Yellowstone. Here are a few of the best depending on your priorities.
Best Months for Wildlife Watching
There are several prime wildlife-viewing months in Yellowstone, which is, after all, one of the wildest places on earth.
April through May bring newborn baby animals and protective mamas.
September and October bring the elk rut and active foraging season for bears.
And, for those who can brave the snow, January and February are great opportunities to see wolves, who stand out against the background of white.
Best Months to See Geysers and Hot Springs
Yellowstone’s geothermal features are among the most popular reasons to visit. While geysers’ behaviors aren’t dictated by the calendar months and can be hard to predict, visiting during July and August can make it more comfortable to stand around waiting for them to erupt. July is also known for the most vivid colors in the hot springs as the bacterial mats that cause them thrive.
However, there’s also something to be said for visiting these features in the winter months, when steam plumes from the springs and the surrounding trees are skeletal and lined with ice.
Best Months to Avoid Crowds
If you want to avoid crowds in Yellowstone, visit any time but the summer. The early fall (September to October) offer an especially great window if you want to maximize park access and minimize crowds.
Best Months for Families and First-Time Visitors
Most families and first-time visitors will find June, July, August and September to be the best months to visit the park. Along with lining up with days off from school, these months also offer the best and widest access to park features and the mildest temperatures.
When Is the Best Time to Visit Yellowstone in an RV?
RVs can visit some parts of Yellowstone all year round. However, road closures can be even more important to pay attention to with these large vehicles, and there are other conditions and considerations to keep in mind.
Yellowstone Road Conditions and Seasonal Closures
Because Yellowstone is a high-elevation landscape with dynamic weather, there are road closures each year. Most of these start in November, and their re-opening can vary widely based on that year’s weather conditions.
The only road open to regular passenger vehicles year-round in Yellowstone National Park runs from the North Entrance in Gardiner, Montana to the Northeast Entrance in Cooke City/Silver Gate, Montana, running through Mammoth Hot Springs, Tower Junction and Lamar Valley along the way. Keep in mind, too, that even some roads open to regular vehicles during winter can be too treacherous for a large RV. Check specific road conditions ahead of time, and if you’re in doubt, contact the park directly.
Additionally, the only campground open year-round is Mammoth Campground, which doesn’t offer RV hookups.
RV Camping in and Around Yellowstone
The best RV camping option inside the park is Fishing Bridge RV Park, which is open seasonally from May to October and offers over 300 RV-only sites with electric hookups. Many other Yellowstone campgrounds are open to RVs, though none feature hookups. Aside from Mammoth Campground, they’re all open seasonally, so check ahead of time to see when you can visit — and be sure to reserve your campsite well in advance.
There are also privately owned RV camping options in the surrounding communities.
RV Driving Tips for Yellowstone
“Drive carefully” is advice that holds all the time — but especially in an RV, and especially in Yellowstone. Wildlife traffic jams and slow travel times are common, and you could be on the road for a lot longer than you think.
We recommend staying topped up on fuel throughout your journey and giving yourself plenty of extra time as you calculate the distances and driving times between the attractions you want to visit. What looks like a two-hour drive on your map app can easily turn into five if someone’s lollygagging a herd of bison.
Keep in mind, too, that parking an RV can be difficult at crowded trail heads and other attraction parking lots. If possible, disconnect your trailer and drive only your tow vehicle (or towed vehicle, if you’re in a motorhome). You could also consider a professional, guided tour.
How Many Days Should You Spend in Yellowstone?
You could easily spend weeks in Yellowstone and not see it all. In fact, we recommend you don’t go in with a “see-it-all” approach.
For a first-time visit, especially, we recommend three to five days in Yellowstone. Focus on a couple key features you know you don’t want to miss, like Old Faithful and Grand Prismatic Hot Spring, and pick a hike or two suited to your ability level. It’s usually better to feel like you really got a sense for the part of the park you did see, rather than running around in a rush trying to see it all.
Plan Your Yellowstone RV Trip With RVshare
A trip to Yellowstone can be a once-in-a-lifetime adventure, no matter when you visit — especially when you team up with RVshare to do it in a comfortable RV that’s perfect for your needs. Our peer-to-peer market offers the largest range of vehicle types, shapes and sizes across America, and there are plenty of great rigs for rent in the Yellowstone area. Explore Yellowstone RV rentals today.
Frequently Asked Questions About Visiting Yellowstone
Yes, May can be a good time to visit Yellowstone, though weather can be unpredictable and road closures can continue to be enforced throughout the park depending on that year’s winter. If enough park access is available, you may sight wildlife and enjoy fewer crowds than in peak summer.
Weather in September in Yellowstone brings daytime highs between 50 and 70 degrees Fahrenheit, with nighttime temperatures dropping into the 30s. While this can be crisp for some people, for others, it’s the perfect hiking weather, and crowds are often thinner than they are at the height of summer
The least crowded months at Yellowstone are the winter months, November through early March. While the park remains open during the winter, snowy conditions mean much of it is impossible to access except by snowmobile or winter hiking.
The road from the North Entrance in Gardiner to the Northeast Entrance in Cooke City/Silver Gate, Montana remains open to regular vehicular traffic during the winter. However, all other park interior roads are closed, and even this road can be treacherous for large RVs. Check road conditions ahead of time.
It depends on the campground. Mammoth Campground, for instance, is open year-round, while many other campgrounds open in May or June and close in September or October. You can see a full table of Yellowstone campgrounds and their open seasons at the NPS website.
