Ste. Geneviève National Historical Park in August
August at Ste. Geneviève National Historical Park averages a daytime high near 88°F and an overnight low around 66°F, with about 3.3" of precipitation. Visitation runs about 1.7× the park's average month, which makes August a very busy month here.
- Average low
- 66°F
- Average high
- 88°F
Range across the year: 24°F to 89°F
- Precipitation
- 3.3 in
- Daylight
- 13.5 hours
Roughly 14% of the park's yearly visitors come in August: roughly 2,900 recreation visits in a typical year, based on National Park Service monthly counts from 2024 to 2025.
It is the single busiest month of the year at Ste. Geneviève; January, the quietest, runs only about 0.2× the average — a 9-to-1 swing between high and low season.
On our Best Time to Visit score August rates 35/100 ("Poor"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 77°F is warm enough that midday heat is worth planning around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 5.3 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 35% 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 16,525 recreation visits, down 30.8% from 23,893 in 2024.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 89°F / 68°F | 1.2× Busy | 46 Fair |
| August | 88°F / 66°F | 1.7× Very busy | 35 Poor |
| September | 81°F / 58°F | 1.2× Busy | 64 Good |
All twelve months at Ste. Geneviève, with the best time to visit.
Things to do at Ste. Geneviève in August
The National Park Service tags 14 Ste. Geneviève activities for summer. Here are 8 of them. Each links to the park's own page for it.
- Walk Around The Jean Baptiste Vallé Gardens
- Embrace Your Creativity · reservation required
- Ask a Ste. Genevieve Ranger
- Levee Trail Adventure
- Move Through History
- Stop and Smell the Roses
- Take the Wellness Challenge at Ste. Genevieve National Historical Park
- Visit the Bauvais-Amoureux House · 20-40 minutes · reservation required
Frequently Asked Questions
August averages a daytime high near 88°F and an overnight low around 66°F at Ste. Geneviève National Historical Park, with about 3.3 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 5.3 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is very busy at Ste. Geneviève National Historical Park (about 1.7× the average month). Our best-time score rates it "Poor" at 35/100. Our recommended month is October.
The busiest month is August and the quietest is January. August sits at about 1.7× the park's average, or 14% of annual visitation.
A typical August sees about 3,000 recreation visits at Ste. Geneviève National Historical Park, based on National Park Service monthly counts from 2024–2025.
Where to stay near Ste. Geneviève in August
Booking a August trip to Ste. Geneviève National Historical Park? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Ste. Geneviève
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See the full ranking of the best national parks to visit in August.
Source: National Park Service Visitor Use Statistics (2024–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.