Rocky Mountain National Park in August
August at Rocky Mountain National Park averages a daytime high near 78°F and an overnight low around 46°F, with about 1.7" of precipitation. Visitation runs about 2× the park's average month, which makes August a very busy month here.
- Average low
- 46°F
- Average high
- 78°F
Range across the year: 16°F to 80°F
- Precipitation
- 1.7 in
- Daylight
- 13.6 hours
Roughly 17% of the park's yearly visitors come in August: about 732,000 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 (2.4×) and the February low (0.3×).
On our Best Time to Visit score August rates 53/100 ("Fair"). Our recommended month is September: the lightest crowds of the park's good-weather months.
The daily average of about 62°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 9.3 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 52% 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 4,171,431 recreation visits, about flat from 4,154,349 in 2024.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 80°F / 48°F | 2.4× Very busy | 49 Fair |
| August | 78°F / 46°F | 2.0× Very busy | 53 Fair |
| September | 70°F / 39°F | 1.8× Very busy | 46 Fair |
All twelve months at Rocky Mountain, with the best time to visit.
Frequently Asked Questions
August averages a daytime high near 78°F and an overnight low around 46°F at Rocky Mountain National Park, with about 1.7 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 9.3 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is very busy at Rocky Mountain National Park (about 2.0× the average month). Our best-time score rates it "Fair" at 53/100. Our recommended month is September.
The busiest month is July and the quietest is February. August sits at about 2.0× the park's average, or 17% of annual visitation.
A typical August sees about 732,000 recreation visits at Rocky Mountain National Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Rocky Mountain in August
Booking a August trip to Rocky Mountain National Park? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Rocky Mountain
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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.