Tonto National Monument in August
August at Tonto National Monument averages a daytime high near 102°F and an overnight low around 77°F, with about 2.1" of precipitation. Visitation runs about 0.4× the park's average month, which makes August a very quiet month here.
- Average low
- 77°F
- Average high
- 102°F
Range across the year: 40°F to 104°F
- Precipitation
- 2.1 in
- Daylight
- 13.3 hours
Roughly 3% of the park's yearly visitors come in August: roughly 1,100 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
It is the quietest month of the year at Tonto; by contrast March, the busiest, runs about 2.5× the average — so August is the easiest time to have the place largely to yourself.
On our Best Time to Visit score August rates 50/100 ("Fair"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 89°F is hot, with afternoons near 102°F to plan the day around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 0.3 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 11% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 13.3 hours of daylight in August to explore — between the 9.8-hour midwinter low and the 14.2-hour summer high.
Park-wide, 2024 drew 30,840 recreation visits, down 1.2% from 31,216 in 2023.
Across the past decade overall visitation has eased about 13.9%, 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 | 104°F / 78°F | 0.4× Very quiet | 50 Fair |
| August | 102°F / 77°F | 0.4× Very quiet | 50 Fair |
| September | 96°F / 71°F | 0.5× Quiet | 46 Fair |
All twelve months at Tonto, with the best time to visit.
Frequently Asked Questions
August averages a daytime high near 102°F and an overnight low around 77°F at Tonto National Monument, with about 2.1 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 0.3 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is very quiet at Tonto National Monument (about 0.4× the average month). Our best-time score rates it "Fair" at 50/100. Our recommended month is October.
The busiest month is March and the quietest is August. August sits at about 0.4× the park's average, or 3% of annual visitation.
A typical August sees about 1,000 recreation visits at Tonto National Monument, based on National Park Service monthly counts from 1979–2025.
Where to stay near Tonto in August
Booking a August trip to Tonto National Monument? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Tonto
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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.