Yellowstone, USAQuick decision
When to visit Yellowstone?
🌞 Best time overall
July
🌡️ Optimal temperature
46°F–72°F in July
🌧 Least rain
28% rainy days in July
🌧 Wettest month
February (50%)
📅 Best score
8.5/10
By trip type
Best time by type of trip
Geysers & Old FaithfulMay–September — Old Faithful every 90 min, Grand Prismatic.
WildlifeMay–October — bison, bears, wolves and elk in Lamar Valley.
HikingJune–September — 1,600 km of trails, canyons and waterfalls.
Hot SpringsYear-round — Mammoth Hot Springs, travertine terraces.
Monthly climate data
Yellowstone weather month by month
| Month | Min °F | Max °F | Rainy days (%) | Precip. in/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ❄️ January | 10°F | 21°F | 37% | 0.1in | 7.0h | 4.0/10 |
| ❄️ February | 10°F | 21°F | 50% | 0.1in | 7.4h | 3.0/10 |
| ❄️ March | 16°F | 30°F | 45% | 0.1in | 10.0h | 4.1/10 |
| 🌨️ April | 21°F | 37°F | 45% | 0.1in | 11.8h | 4.3/10 |
| 🌦️ May | 28°F | 46°F | 40% | 0.1in | 13.3h | 5.5/10 |
| ⛅ June | 37°F | 59°F | 31% | 0.1in | 14.8h | 7.2/10 |
| 🌤️ July | 46°F | 72°F | 28% | 0.0in | 14.8h | 8.5/10 |
| 🌤️ August | 48°F | 70°F | 29% | 0.1in | 13.0h | 7.9/10 |
| ⛅ September | 41°F | 61°F | 30% | 0.1in | 11.7h | 7.1/10 |
| 🌦️ October | 30°F | 43°F | 38% | 0.1in | 10.0h | 4.3/10 |
| ❄️ November | 19°F | 30°F | 39% | 0.1in | 8.0h | 4.0/10 |
| ❄️ December | 10°F | 23°F | 42% | 0.1in | 5.9h | 3.1/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Challenging climate
Average 3°F, 43% rainy days, 11.7h sunshine/day. Score: 4.6/10.
☀️ Summer (Jun–Aug) — Good time
Average 19°F, 29% rainy days, 14.2h sunshine/day. Score: 7.9/10.
🍂 Autumn (Sep–Nov) — Challenging climate
Average 7°F, 36% rainy days, 9.9h sunshine/day. Score: 5.1/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average -6°F, 43% rainy days, 6.8h sunshine/day. Score: 3.4/10.
Accommodation
Find a place to stay in Yellowstone
Check availability during the recommended period
Tip : off-peak months (February, March) are cheapest but weather is significantly worse.
Search on Hotels.comActivities & tours
Activities and tours in Yellowstone
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Yellowstone
Compare flights from all airlines.
Search flights
Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 28% rainy days and 22°F.
February is the wettest month with 50% rainy days.
Yes, July is the best month with an average of 22°F.
In winter, the average score is 3.4/10. Difficult period — prefer the peak season.
Also explore
Destinations with similar climate
Canada
JapanWeather rankings
Compare destinations by weather
Best in EuropeGuides & comparisons