Fog in Colombier-Saugnieu, Rhône

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 Lyon Saint-Exupéry Airport (LFLL). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LFLLLyon Saint-Exupéry Airport152 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 Colombier-Saugnieu, Rhône fogs in

Fog here concentrates in December and January — about 152 hours in a typical year at LFLL, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LFLL station page.

Fog season

January: ~42 hJanFebruary: ~4 hFebMarch: ~2 hMarApril: ~1 hAprMay: ~1 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~1 hAugSeptember: ~3 hSepOctober: ~11 hOctNovember: ~32 hNovDecember: ~58 hDec
Fog season runs November through January, peaking in December; fog is mostly a 11 PM–11 AM phenomenon; typically thinning out by 2 PM; 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.