Fog in Ulaanbaatar (Sergelen)

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 Ulaanbaatar Chinggis Khaan International Airport (ZMCK). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ZMCKUlaanbaatar Chinggis Khaan International Airport5 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 Ulaanbaatar (Sergelen) fogs in

Fog here concentrates in June and March — about 5 hours in a typical year at ZMCK. Hour-by-hour patterns, live conditions and the forecast strip live on the ZMCK station page.

Fog season

January: ~0 hJanFebruary: ~0 hFebMarch: ~1 hMarApril: ~0 hAprMay: ~0 hMayJune: ~2 hJunJuly: ~0 hJulAugust: ~1 hAugSeptember: ~0 hSepOctober: ~0 hOctNovember: ~0 hNovDecember: ~0 hDec
Fog season is June, peaking in June; fog is mostly a 4 AM–8 AM phenomenon; typically thinning out by 9 AM local time · 10-yr average

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