June in Chikusei averages a daily high of 26.5°C. Expect roughly 14.6 wet days totalling 178.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Chikusei is April–June.
Based on UTSUNOMIYA, JA (28km), 1995–2024. 28 years of June data.