Fog in Muan (Piseo-ri)

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 1 hour of dense fog here (10-year average).

Measured at Muan International Airport (RKJB). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
RKJBMuan International Airport84 h/yrclimatology

Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.

When Muan (Piseo-ri) fogs in

Fog here concentrates in March and April — about 84 hours in a typical year at RKJB, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the RKJB station page.

Fog season

January: ~9 hJanFebruary: ~8 hFebMarch: ~18 hMarApril: ~13 hAprMay: ~4 hMayJune: ~3 hJunJuly: ~3 hJulAugust: ~1 hAugSeptember: ~4 hSepOctober: ~4 hOctNovember: ~8 hNovDecember: ~7 hDec
Fog season runs November through April, peaking in March; fog is mostly a midnight–8 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 2 hours once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.