July in Kamisu averages a daily high of 27°C with nights around 21°C. Expect roughly 10.5 wet days totalling 141.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Kamisu is May–October.
Based on CHOSHI, JA (24.6km), 1995–2024. 21 years of July data.