February in Santa Rosa averages a daily high of 17°C with nights around 4.6°C. Expect roughly 11.7 wet days totalling 154.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Santa Rosa is May–October.
Based on SANTA ROSA, CA US (1.7km), 1995–2024. 24 years of February data.