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August in Sayama averages a daily high of 33.8°C. Expect roughly 8.8 wet days totalling 139.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Sayama is April–June.
Based on OSAKA, JA (18.9km), 1995–2024. 21 years of August data.
See all twelve months for Sayama →