January in Imabari averages a daily high of 10.1°C. Expect roughly 7.3 wet days totalling 46.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Imabari is April–May.
Based on MATSUYAMA, JA (31.6km), 1995–2024. 24 years of January data.