John Muir National Historic Site in August
August at John Muir National Historic Site averages a daytime high near 87°F and an overnight low around 51°F. Visitation runs about 0.9× the park's average month, which makes August an average month here.
- Average low
- 51°F
- Average high
- 87°F
Range across the year: 35°F to 88°F
- Precipitation
- 0.0 in
- Daylight
- 13.5 hours
Roughly 8% of the park's yearly visitors come in August: roughly 3,300 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes August the 7th-busiest of the park's twelve months, sitting between the April peak (1.6×) and the December low (0.7×).
On our Best Time to Visit score August rates 80/100 ("Excellent"). Our recommended month is September: pleasant weather with noticeably thinner crowds (shoulder season).
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 2.3 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 27% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 13.5 hours of daylight in August to explore — between the 9.4-hour midwinter low and the 14.6-hour summer high.
Park-wide, 2025 drew 38,384 recreation visits, down 16.1% from 45,753 in 2024.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 88°F / 51°F | 1.1× Average | 68 Good |
| August | 87°F / 51°F | 0.9× Average | 80 Excellent |
| September | 84°F / 50°F | 0.9× Average | 85 Excellent |
All twelve months at John Muir, with the best time to visit.
Things to do at John Muir in August
The National Park Service tags 3 John Muir activities for summer. Each links to the park's own page for it.
- Mount Wanda Hiking Trail · 1-2 hours
- Strentzel/Muir Gravesite Tour · 30-30 minutes · reservation required
- Visit the Strentzel/Muir Home · 1-1 hours
Frequently Asked Questions
August averages a daytime high near 87°F and an overnight low around 51°F at John Muir National Historic Site. These are 1991–2020 NOAA climate normals from the nearest station, about 2.3 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is average at John Muir National Historic Site (about 0.9× the average month). Our best-time score rates it "Excellent" at 80/100. Our recommended month is September.
The busiest month is April and the quietest is December. August sits at about 0.9× the park's average, or 8% of annual visitation.
A typical August sees about 3,000 recreation visits at John Muir National Historic Site, based on National Park Service monthly counts from 1979–2025.
Where to stay near John Muir in August
Booking a August trip to John Muir National Historic Site? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near John Muir
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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.