Otaru

What is the climate like in Otaru?

The best time to visit Otaru is typically September, the year's most comfortable month (6.2/10). Otaru is warmest in August, when daily highs average 75°F (24°C), and coolest in January, when lows fall to about 22°F (-5°C). The wettest month is typically August and the driest is April; the year sees roughly 60 in (1516 mm) of precipitation.

• Best time to visitSeptember — the year's comfort peak (6.2/10)
• Warmest monthAugust — average high 75°F (24°C)
• Coolest monthJanuary — average low 22°F (-5°C)
• Wettest monthAugust (8.1 in (205 mm))
• Driest monthApril (3.0 in (77 mm))
• Annual precipitation60 in (1516 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromOtaru, 1 km away (1951-2026)