Fog in Barnaul

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 5 hours of dense fog here (10-year average).

Measured at Barnaul Gherman Titov International Airport (UNBB). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
UNBBBarnaul Gherman Titov International Airport81 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 Barnaul fogs in

Fog here concentrates in December and October — about 81 hours in a typical year at UNBB, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the UNBB station page.

Fog season

January: ~13 hJanFebruary: ~5 hFebMarch: ~7 hMarApril: ~3 hAprMay: ~2 hMayJune: ~2 hJunJuly: ~3 hJulAugust: ~5 hAugSeptember: ~4 hSepOctober: ~14 hOctNovember: ~8 hNovDecember: ~16 hDec
Fog season runs August through March, peaking in December; fog is mostly a 2 AM–11 AM phenomenon; typically thinning out by 1 PM; a typical event lasts about 1 hour once it forms local time · 10-yr average

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