Iwaki

What is the climate like in Iwaki?

The best time to visit Iwaki is typically October, the year's most comfortable month (6.2/10). Iwaki is warmest in August, when daily highs average 79°F (26°C), and coolest in February, when lows fall to about 38°F (4°C). The wettest month is typically October and the driest is February; the year sees roughly 63 in (1611 mm) of precipitation.

• Best time to visitOctober — the year's comfort peak (6.2/10)
• Warmest monthAugust — average high 79°F (26°C)
• Coolest monthFebruary — average low 38°F (4°C)
• Wettest monthOctober (8.4 in (213 mm))
• Driest monthFebruary (2.4 in (60 mm))
• Annual precipitation63 in (1611 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromOnahama, 11 km away (1951-2026)