June in Hamamatsu averages a daily high of 26.7°C. Expect roughly 13.1 wet days totalling 218.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hamamatsu is April–June.
Based on HAMAMATSU, JA (2.4km), 1995–2024. 28 years of June data.