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July in Nagano averages a daily high of 29.9°C. Expect roughly 14.6 wet days totalling 138.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Nagano is May–June.
Based on NAGANO, JA (2.4km), 1995–2024. 20 years of July data.
See all twelve months for Nagano →