July in Ōtsu averages a daily high of 32.4°C. Expect roughly 13.4 wet days totalling 230.5mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Ōtsu is April–May.
Based on KYOTO, JA (12.3km), 1995–2024. 27 years of July data.