January in Kakegawa averages a daily high of 10.6°C. Expect roughly 6.5 wet days totalling 62.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Kakegawa is April–July.
Based on OMAEZAKI, JA (26.1km), 1995–2024. 24 years of January data.