San Francisco Maritime National Historical Park in August
In August, San Francisco Maritime National Historical Park averages a high of 68°F and a low of 56°F, with 0.1 inches of precipitation (rain plus melted snow). About 288,000 people visit, the 2nd busiest of 12 (very busy). Days are 13 hours 37 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 68° / 56°F
- Precipitation
- 0.1in
- Snow
- –in
- Daylight
- 13h 37m
- Visitors
- 288,000
- Crowds
- Very busy
Best months for weather and crowds instead: May (busy), September (busy) and October (busy).
Higher or lower in the park, expect a different picture: Mt Diablo Junction, CA at 2,170 ft averages a August high of 83°F and a low of 61°F.
Weather 1991–2020 averages at San Francisco Dwtn, CA, 2.8 miles from the park's center, 150 ft. Second station higher up: Mt Diablo Junction, CA, 2,170 ft, 27.3 miles. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Fort Point National Historic Site | 68° / 56° | Very busy | Mild |
| Golden Gate National Recreation Area | 83° / 54° | Very busy | Hot |
| Point Reyes National Seashore | 63° / 52° | Very busy | Mild |
| Pinnacles National Park | 96° / 50° | Moderate | Very hot |
| Yosemite National Park | 89° / 57° | Very busy | Hot |
Closures, reservations and alerts: San Francisco Maritime National Historical Park on nps.gov
All twelve months at San Francisco Maritime National Historical Park · National parks to visit in August