About Nagasaki, Yamagata

With a population of around 10,700, Nagasaki sits in Yamagata, Japan. The city operates in the Japan Standard Time zone.

In 2025, Nagasaki averaged an annual temperature of 56°F, with hottest temperatures reaching 103°F in August and lowest around 14°F in February. The city received approximately 55 inches of precipitation during the year.