With a population of around 10,700, Nagasaki sits in Yamagata, Japan. The city operates in the Japan Standard Time zone.
In 2025, Nagasaki recorded an average annual temperature of 56°F. The hottest temperatures reached 103°F in August; the coolest were 14°F in February. Total precipitation for the year was 55 inches, with the wettest month being August. Snowfall for the year totaled approximately 22 inches.
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