Nagasaki

What is the climate like in Nagasaki?

The best time to visit Nagasaki is typically August, the year's most comfortable month (5.9/10). Nagasaki is warmest in August, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 24°F (-4°C). The wettest month is typically July and the driest is November; the year sees roughly 61 in (1550 mm) of precipitation.

• Best time to visitAugust — the year's comfort peak (5.9/10)
• Warmest monthAugust — average high 83°F (28°C)
• Coolest monthJanuary — average low 24°F (-4°C)
• Wettest monthJuly (7.2 in (182 mm))
• Driest monthNovember (3.7 in (93 mm))
• Annual precipitation61 in (1550 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromYamagata, 11 km away (1951-2026)