Lake Roosevelt National Recreation Area in August
August at Lake Roosevelt National Recreation Area averages a daytime high near 86°F and an overnight low around 47°F, with about 0.7" of precipitation. Visitation runs about 2.1× the park's average month, which makes August a very busy month here.
- Average low
- 47°F
- Average high
- 86°F
Range across the year: 20°F to 86°F
- Precipitation
- 0.7 in
- Daylight
- 14.1 hours
Roughly 18% of the park's yearly visitors come in August: about 221,000 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 (2.5×) and the December low (0.3×).
On our Best Time to Visit score August rates 58/100 ("Fair"). Our recommended month is May: the lightest crowds of the park's good-weather months.
The daily average of about 67°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 29 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 54% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 14.1 hours of daylight in August to explore — between the 8.2-hour midwinter low and the 15.8-hour summer high.
Park-wide, 2025 drew 1,183,757 recreation visits, up 8.5% from 1,091,489 in 2024.
Across the past decade overall visitation has eased about 12.4%, so August may feel a touch quieter than it once did.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 86°F / 49°F | 2.5× Very busy | 55 Fair |
| August | 86°F / 47°F | 2.1× Very busy | 58 Fair |
| September | 76°F / 39°F | 1.1× Average | 66 Good |
All twelve months at Lake Roosevelt, with the best time to visit.
Seasonal closures in August 2027
The National Park Service lists these Lake Roosevelt facilities as closed during August 2027. The dates are the park's own, read on October 11, 2026. A facility that is not listed here may still be closed, so confirm on the park's site before you go.
- Hawk Creek Campground (campground): closed all month (April 16, 2027 to October 6, 2027)
Things to do at Lake Roosevelt in August
The National Park Service tags 3 Lake Roosevelt activities for summer. Each links to the park's own page for it.
Frequently Asked Questions
August averages a daytime high near 86°F and an overnight low around 47°F at Lake Roosevelt National Recreation Area, with about 0.7 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 29 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is very busy at Lake Roosevelt National Recreation Area (about 2.1× the average month). Our best-time score rates it "Fair" at 58/100. Our recommended month is May.
The busiest month is July and the quietest is December. August sits at about 2.1× the park's average, or 18% of annual visitation.
A typical August sees about 221,000 recreation visits at Lake Roosevelt National Recreation Area, based on National Park Service monthly counts from 1979–2025.
Where to stay near Lake Roosevelt in August
Booking a August trip to Lake Roosevelt National Recreation Area? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Lake Roosevelt
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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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.