San Antonio Missions National Historical Park in August
August at San Antonio Missions National Historical Park averages a daytime high near 98°F and an overnight low around 76°F, with about 2.5" of precipitation. Visitation runs about 1× the park's average month, which makes August an average month here.
- Average low
- 76°F
- Average high
- 98°F
Range across the year: 42°F to 98°F
- Precipitation
- 2.5 in
- Daylight
- 13.1 hours
Roughly 8% of the park's yearly visitors come in August: about 109,000 recreation visits in a typical year, based on National Park Service monthly counts from 1983 to 2025.
That makes August the 7th-busiest of the park's twelve months, sitting between the July peak (1.2×) and the November low (0.8×).
On our Best Time to Visit score August rates 28/100 ("Poor"). Our recommended month is February: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 87°F is hot, with afternoons near 98°F to plan the day around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 3.2 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 28% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 13.1 hours of daylight in August to explore — between the 10.1-hour midwinter low and the 13.9-hour summer high.
Park-wide, 2025 drew 1,552,510 recreation visits, up 21.4% from 1,278,777 in 2024.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 96°F / 75°F | 1.2× Busy | 11 Poor |
| August | 98°F / 76°F | 1.0× Average | 28 Poor |
| September | 91°F / 71°F | 1.1× Average | 29 Poor |
All twelve months at San Antonio Missions, with the best time to visit.
Things to do at San Antonio Missions in August
The National Park Service tags 3 San Antonio Missions activities for summer. Each links to the park's own page for it.
- Explore the Missions of San Antonio · 0-4 hours
- Hike & Bike Along the River · 15-240 minutes
- Junior Ranger Program · 15-60 minutes
Frequently Asked Questions
August averages a daytime high near 98°F and an overnight low around 76°F at San Antonio Missions National Historical Park, with about 2.5 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 3.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is average at San Antonio Missions National Historical Park (about 1.0× the average month). Our best-time score rates it "Poor" at 28/100. Our recommended month is February.
The busiest month is July and the quietest is November. August sits at about 1.0× the park's average, or 8% of annual visitation.
A typical August sees about 109,000 recreation visits at San Antonio Missions National Historical Park, based on National Park Service monthly counts from 1983–2025.
Where to stay near San Antonio Missions in August
Booking a August trip to San Antonio Missions National Historical Park? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near San Antonio Missions
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See the full ranking of the best national parks to visit in August.
Source: National Park Service Visitor Use Statistics (1983–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.