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July in Saku averages a daily high of 25.6°C. Expect roughly 16.6 wet days totalling 200.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Saku is May–September.
Based on KARUIZAWA, JA (16km), 1995–2024. 27 years of July data.
See all twelve months for Saku →