August in Naha averages a daily high of 31.8°C with nights around 26.5°C. Expect roughly 15 wet days totalling 263.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Naha is October–May.
Based on NAHA, JA (1.5km), 1995–2024. 23 years of August data.