San Francisco Maritime National Historical Park in August
August at San Francisco Maritime National Historical Park averages a daytime high near 68°F and an overnight low around 56°F, with about 0.1" of precipitation. Visitation runs about 1.4× the park's average month, which makes August a busy month here.
- Average low
- 56°F
- Average high
- 68°F
Range across the year: 47°F to 70°F
- Precipitation
- 0.1 in
- Daylight
- 13.5 hours
Roughly 12% of the park's yearly visitors come in August: about 387,000 recreation visits in a typical year, based on National Park Service monthly counts from 1989 to 2025.
That makes August the 2nd-busiest of the park's twelve months, sitting between the July peak (1.5×) and the January low (0.7×).
On our Best Time to Visit score August rates 53/100 ("Fair"). Our recommended month is November: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 62°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 2.7 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 34% 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 2,944,483 recreation visits, up 16.1% from 2,535,134 in 2024.
Across the past decade overall visitation has eased about 31%, 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 | 66°F / 54°F | 1.5× Busy | 48 Fair |
| August | 68°F / 56°F | 1.4× Busy | 53 Fair |
| September | 70°F / 56°F | 1.0× Average | 74 Good |
All twelve months at San Francisco Maritime, with the best time to visit.
Frequently Asked Questions
August averages a daytime high near 68°F and an overnight low around 56°F at San Francisco Maritime National Historical Park, with about 0.1 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 2.7 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is busy at San Francisco Maritime National Historical Park (about 1.4× the average month). Our best-time score rates it "Fair" at 53/100. Our recommended month is November.
The busiest month is July and the quietest is January. August sits at about 1.4× the park's average, or 12% of annual visitation.
A typical August sees about 387,000 recreation visits at San Francisco Maritime National Historical Park, based on National Park Service monthly counts from 1989–2025.
Where to stay near San Francisco Maritime in August
Booking a August trip to San Francisco Maritime 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 Francisco Maritime
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See the full ranking of the best national parks to visit in August.
Source: National Park Service Visitor Use Statistics (1989–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.