March in Santa Cruz averages a daily high of 18.6°C with nights around 6.7°C. Expect roughly 9 wet days totalling 99.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Santa Cruz is May–October.
Based on SANTA CRUZ, CA US (3.2km), 1995–2024. 25 years of March data.