February in Ōnojō averages a daily high of 11.8°C. Expect roughly 10.9 wet days totalling 71.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Ōnojō is April–May.
Based on FUKUOKA, JA (10.3km), 1995–2024. 23 years of February data.