Yellowstone National Park in August
Crowds and weather in August · NPS visitor counts 2022–2025 · NOAA 1991–2020 averages
August at a glance
Crowds: Peak — about 28,329 visitors a day, 89% of the July peak. August is the 10th quietest month of 12.
Weather: average high 75°F (24°C), low 37°F (3°C); 1.4 in (36 mm) of precipitation on about 4 days.
Verdict: ○ Mild weather, busy.
Best balance at Yellowstone: May (55% of peak, high 55°F).
August visitors, year by year
| August | Recreation visits | Per day |
|---|---|---|
| 2022 | 582,211 | 18,781 |
| 2023 | 846,389 | 27,303 |
| 2024 | 868,259 | 28,008 |
| 2025 | 881,936 | 28,450 |
“Unusually low” marks a year when August's share of the annual total was less than half the other years' — usually a closure (storms, fire, a government shutdown) or a counting gap. The typical figure above uses the median share of 2022–2025, scaled to 2025's total.
August compared with the months around it
| Month | Crowds · visitors/day | High / low · precip. |
|---|---|---|
| July | Peak100% of peak · 31,847/day | 76° / 39°F1.3 in · 4 wet days |
| August | Peak89% of peak · 28,329/day | 75° / 37°F1.4 in · 4 wet days |
| September | Peak89% of peak · 28,301/day | 65° / 30°F1.7 in · 4 wet days |
All 12 months at Yellowstone →
Other parks with mild weather and fewer people in August
- Shenandoah
55% of peak · high 83°F
Months with few visitors can mean seasonal closures of roads, shuttles or campgrounds. Check current conditions on the official Yellowstone National Park website before you go.
Sources. Visitor counts: National Park Service, Visitor Use Statistics (recreation visits, final figures through 2025; typical months use 2022–2025). Weather: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020 (station OLD FAITHFUL, USC00486845, 7,352 ft / 2,241 m). Both are U.S. Government works in the public domain. How we calculate.
Park Months is an independent site and is not affiliated with the National Park Service or NOAA.