Devils Tower National Monument in August
August at Devils Tower National Monument averages a daytime high near 85°F and an overnight low around 52°F, with about 1.9" of precipitation. Visitation runs about 2.7× the park's average month, which makes August a very busy month here.
- Average low
- 52°F
- Average high
- 85°F
Range across the year: 8°F to 85°F
- Precipitation
- 1.9 in
- Daylight
- 13.9 hours
Roughly 22% of the park's yearly visitors come in August: about 111,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes August the 2nd-busiest of the park's twelve months, sitting between the July peak (2.9×) and the January low (0.1×).
On our Best Time to Visit score August rates 56/100 ("Fair"). Our recommended month is September: the lightest crowds of the park's good-weather months.
The daily average of about 69°F is a comfortable range for hiking and being outdoors all day. These figures are 1991–2020 NOAA climate normals from the nearest station, about 0.5 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 67% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 13.9 hours of daylight in August to explore — between the 8.6-hour midwinter low and the 15.4-hour summer high.
Park-wide, 2025 drew 515,303 recreation visits, down 4.7% from 540,890 in 2024.
Across the past decade overall visitation has risen about 8.6%, so a August visit is likely to feel busier than it did a few years ago.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 85°F / 55°F | 2.9× Very busy | 52 Fair |
| August | 85°F / 52°F | 2.7× Very busy | 56 Fair |
| September | 75°F / 42°F | 1.6× Busy | 61 Good |
All twelve months at Devils Tower, with the best time to visit.
Things to do at Devils Tower in August
The National Park Service tags 8 Devils Tower activities for summer. Each links to the park's own page for it.
- Eat Lunch at the Devils Tower Picnic Area · 1-2 hours
- Hike Joyner Ridge Trail · 1-2 hours
- Hike South Side Trail · 0-30 minutes
- Hike the Red Beds Loop Trail · 2-3 hours
- Hike Valley View Trail · 0-30 minutes
- Stargaze at Joyner Ridge
- Walk the Tower Trail Loop · 40 minutes
- Watch for Wildlife at Prairie Dog Town
Frequently Asked Questions
August averages a daytime high near 85°F and an overnight low around 52°F at Devils Tower National Monument, with about 1.9 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 0.5 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is very busy at Devils Tower National Monument (about 2.7× the average month). Our best-time score rates it "Fair" at 56/100. Our recommended month is September.
The busiest month is July and the quietest is January. August sits at about 2.7× the park's average, or 22% of annual visitation.
A typical August sees about 111,000 recreation visits at Devils Tower National Monument, based on National Park Service monthly counts from 1979–2025.
Where to stay near Devils Tower in August
Booking a August trip to Devils Tower National Monument? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Devils Tower
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See the full ranking of the best national parks to visit in August.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.