March in Shinagawa averages a daily high of 14.5°C. Expect roughly 10.5 wet days totalling 102.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Shinagawa is April–May.
Based on MATSUYAMA, JA (31.4km), 1995–2024. 23 years of March data.