How Crowded Is Cabrillo in March?
March is an average month at Cabrillo National Monument, running about 1.1× the park's average month — roughly 9% of the year's visitors come in March. That puts it between the July peak and the September low. Overall our best-time score rates March as "Good" for a visit. Typical March weather averages a high near 67°F and a low around 53°F, with about 1.5" of precipitation. You'll get about 11.8 hours of daylight to explore.
Frequently Asked Questions
March is average at Cabrillo National Monument (about 1.1× the average month). Our best-time score rates it "Good". The single best month overall is September.
The busiest month is July and the quietest is September. March sits at about 1.1× the park's average, or 9% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.