Fog in Ulan Ude

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 4 hours of dense fog here (10-year average).

Measured at Baikal International Airport (UIUU). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
UIUUBaikal International Airport30 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 Ulan Ude fogs in

Fog here concentrates in September and November — about 30 hours in a typical year at UIUU, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the UIUU station page.

Fog season

January: ~2 hJanFebruary: ~1 hFebMarch: ~1 hMarApril: ~0 hAprMay: ~0 hMayJune: ~0 hJunJuly: ~1 hJulAugust: ~4 hAugSeptember: ~10 hSepOctober: ~4 hOctNovember: ~5 hNovDecember: ~3 hDec
Fog season runs August through December, peaking in September; fog is mostly a 6 AM–9 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.