Koshimizu

What is the climate like in Koshimizu?

The best time to visit Koshimizu is typically July, the year's most comfortable month (6.0/10). Koshimizu is warmest in August, when daily highs average 72°F (22°C), and coolest in February, when lows fall to about 13°F (-11°C). The wettest month is typically August and the driest is February; the year sees roughly 46 in (1170 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (6.0/10)
• Warmest monthAugust — average high 72°F (22°C)
• Coolest monthFebruary — average low 13°F (-11°C)
• Wettest monthAugust (6.9 in (174 mm))
• Driest monthFebruary (2.2 in (56 mm))
• Annual precipitation46 in (1170 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromAbashiri, 23 km away (1951-2026)