Climate almanac
Muan
Jeollanam-do, South Korea · 34.99°, 126.48°
What is the climate like in Muan?
The best time to visit Muan is typically October, the year's most comfortable month (6.4/10). Muan is warmest in August, when daily highs average 89°F (31°C), and coolest in January, when lows fall to about 30°F (-1°C). The wettest month is typically July and the driest is December; the year sees roughly 47 in (1188 mm) of precipitation.
- Best time to visitOctober — the year's comfort peak (6.4/10)
- Warmest monthAugust — average high 89°F (31°C)
- Coolest monthJanuary — average low 30°F (-1°C)
- Wettest monthJuly (8.7 in (221 mm))
- Driest monthDecember (1.2 in (31 mm))
- Annual precipitation47 in (1188 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromMokpo, 21 km away (1926-2026)