Fog in Chambéry

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average).

Measured at Chambéry Aix les Bains airport (LFLB). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LFLBChambéry Aix les Bains airport48 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 Chambéry fogs in

Fog here concentrates in December and November — about 48 hours in a typical year at LFLB, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LFLB station page.

Fog season

January: ~7 hJanFebruary: ~6 hFebMarch: ~2 hMarApril: ~0 hAprMay: ~1 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~0 hSepOctober: ~6 hOctNovember: ~8 hNovDecember: ~19 hDec
Fog season runs October through February, peaking in December; fog is mostly a 4 AM–10 AM phenomenon; typically thinning out by noon; 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.