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Dinosaur National Monument in August

Very busy2.1× average month · best-time score 49/100

August at Dinosaur National Monument averages a daytime high near 88°F and an overnight low around 59°F, with about 0.9" of precipitation. Visitation runs about 2.1× the park's average month, which makes August a very busy month here.

Average low
59°F
Average high
88°F

Range across the year: 14°F to 91°F

Crowds
2.1× averageVery busy
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  2. F
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  4. A
  5. M
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Precipitation
0.9 in
Daylight
13.6 hours

Roughly 18% of the park's yearly visitors come in August: about 56,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.

That makes August the 3rd-busiest of the park's twelve months, sitting between the July peak (2.5×) and the February low (0.2×).

On our Best Time to Visit score August rates 49/100 ("Fair"). Our recommended month is May: the lightest crowds of the park's good-weather months.

The daily average of about 73°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 18.2 miles from the park.

August falls inside the park's busiest stretch: June, July and August together pull about 56% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.

You'll have about 13.6 hours of daylight in August to explore — between the 9.1-hour midwinter low and the 14.9-hour summer high.

Park-wide, 2025 drew 315,725 recreation visits, down 2% from 322,113 in 2024.

Across the past decade overall visitation has risen about 12.6%, so a August visit is likely to feel busier than it did a few years ago.

How August compares with the months around it

MonthAvg high / lowCrowdsBest-time score
July91°F / 61°F2.5× Very busy34 Poor
August88°F / 59°F2.1× Very busy49 Fair
September77°F / 50°F1.4× Busy65 Good

All twelve months at Dinosaur, with the best time to visit.

Things to do at Dinosaur in August

The National Park Service tags 28 Dinosaur activities for summer. Here are 8 of them. Each links to the park's own page for it.

Reviewed by WhenToVisitParks Editorial Team · Updated

Frequently Asked Questions

August averages a daytime high near 88°F and an overnight low around 59°F at Dinosaur National Monument, with about 0.9 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 18.2 miles from the park, so conditions inside the park can differ, especially at other elevations.

August is very busy at Dinosaur National Monument (about 2.1× the average month). Our best-time score rates it "Fair" at 49/100. Our recommended month is May.

The busiest month is July and the quietest is February. August sits at about 2.1× the park's average, or 18% of annual visitation.

A typical August sees about 56,000 recreation visits at Dinosaur National Monument, based on National Park Service monthly counts from 1979–2025.

Where to stay near Dinosaur in August

Booking a August trip to Dinosaur National Monument? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.

Top-rated places to stay near Dinosaur

Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Visiting Dinosaur in August?

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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.