March in Yokosuka averages a daily high of 14.6°C. Expect roughly 10.4 wet days totalling 136.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Yokosuka is April–June.
Based on YOKOHAMA, JA (16.7km), 1995–2024. 24 years of March data.