Seosan

What is the climate like in Seosan?

The best time to visit Seosan is typically May, the year's most comfortable month (6.2/10). Seosan is warmest in August, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 27°F (-3°C). The wettest month is typically July and the driest is January; the year sees roughly 45 in (1131 mm) of precipitation.

• Best time to visitMay — the year's comfort peak (6.2/10)
• Warmest monthAugust — average high 85°F (30°C)
• Coolest monthJanuary — average low 27°F (-3°C)
• Wettest monthJuly (9.2 in (234 mm))
• Driest monthJanuary (1.0 in (26 mm))
• Annual precipitation45 in (1131 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromIncheon, 78 km away (1949-2026)