Nagasaki is one of several regions in Japan, with temperatures that range from 11°C (52°F) in January to 30°C (86°F) during the peak of August. We've based our full climate overview on data from Nagasaki, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Nagasaki offers pleasant conditions in May, June and October, with temperatures typically ranging from 22°C (72°F) to 25°C (77°F).
Precipitation in Nagasaki varies considerably throughout the year. The wettest conditions occur in June with 451 mm (18 in) of rain, while January stays relatively dry with 91 mm (3.6 in). The region experiences its rainy season during May, June, July and September, when monthly rainfall can range from 190 mm (7.5 in) to 451 mm (18 in).
Visitors hoping to maximize their time in the sun should consider planning their trip for August, when daylight hours are at their peak.
