Onsŏng

What is the climate like in Onsŏng?

The best time to visit Onsŏng is typically September, the year's most comfortable month (6.7/10). Onsŏng is warmest in July, when daily highs average 80°F (26°C), and coolest in January, when lows fall to about 2°F (-16°C). The wettest month is typically August and the driest is December; the year sees roughly 29 in (735 mm) of precipitation.

• Best time to visitSeptember — the year's comfort peak (6.7/10)
• Warmest monthJuly — average high 80°F (26°C)
• Coolest monthJanuary — average low 2°F (-16°C)
• Wettest monthAugust (7.6 in (194 mm))
• Driest monthDecember (0.3 in (9 mm))
• Annual precipitation29 in (735 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromYanji, 41 km away (1953-2026)