June in Katsushika averages a daily high of 26.3°C. Expect roughly 13.1 wet days totalling 184.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Katsushika is April–June.
Based on TOKYO, JA (9.4km), 1995–2024. 23 years of June data.