TL;DR: June and September offer the best mix of mild weather, wildlife viewing, fewer crowds, and kid-friendly activities in Yellowstone. Avoid peak July crowds and early spring snow.
Why Timing Matters When Visiting Yellowstone with Kids
Yellowstone National Park is an awe-inspiring wilderness, but your experience can vary wildly depending on when you visit. With kids in tow, you’ll want to balance safety, accessibility, weather, and activity availability.
Quick Comparison: Yellowstone by Season (Kid-Friendly View)
Season |
Pros |
Cons |
Spring (Apr-May) |
Baby animals, fewer crowds |
Snow closures, unpredictable weather |
Summer (Jun-Aug) |
All roads open, ranger programs |
July crowds, expensive lodging |
Fall (Sep-Oct) |
Crisp air, active wildlife, fewer people |
Early closures, colder temps |
Winter (Nov-Mar) |
Magical snow views, less traffic |
Most of the park is closed to cars |
Why June is a Sweet Spot
- All roads and facilities open
- Milder temperatures (50s-70s F)
- Abundant wildlife: bison calves, bears, elk
- Ranger-led Junior Ranger programs begin
- Still before the peak summer rush
Suggested Activities in June:
- Old Faithful and Upper Geyser Basin walks
- Scenic drives (e.g. Lamar Valley)
- Easy hikes like the Fairy Falls trail
.
Why September Might Be Even Better
- Cooler but comfortable weather (40s-60s F)
- Smaller crowds post-Labor Day
- Wildlife active during fall rut (great photo ops)
- Fall colors in Hayden and Lamar Valleys
Tips for Visiting in September:
- Dress in layers for chilly mornings
- Be aware of earlier sunset times
- Book accommodations early, some close mid-month
Months to Be Cautious With Kids
July & August:
- Very crowded
- Long waits at entrances and popular spots
- Hotter temps can drain energy quickly
April & May:
- Many roads/trails are closed due to snow
- Weather can shift quickly (from sun to blizzard)
Winter:
- Gorgeous, but primarily limited to snowcoach tours or cross-country skiing
- Not ideal for younger kids
Final Tips for a Kid-Friendly Yellowstone Trip
- Start early: Beat both crowds and wildlife
- Use the Yellowstone app: Real-time updates on geysers and roads
- Pack snacks + water: Services can be far apart
- Bring binoculars: Let kids spot wildlife safely from a distance
Free Resource: Yellowstone Family Packing Checklist
Download our free, printable checklist to ensure you don’t forget the essentials, such as layers, snacks, and bug spray.
[Download the Checklist] (Insert link to lead magnet or PDF)