Fog in L'Hôpital-le-Mercier, Saône-et-Loire

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 6 hours of dense fog here (10-year average).

Measured at Saint-Yan Airport (LFLN). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LFLNSaint-Yan Airport251 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 L'Hôpital-le-Mercier, Saône-et-Loire fogs in

Fog here concentrates in December and October — about 251 hours in a typical year at LFLN, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LFLN station page.

Fog season

January: ~24 hJanFebruary: ~15 hFebMarch: ~9 hMarApril: ~10 hAprMay: ~15 hMayJune: ~9 hJunJuly: ~3 hJulAugust: ~6 hAugSeptember: ~19 hSepOctober: ~51 hOctNovember: ~39 hNovDecember: ~58 hDec
Fog season is January, February, May, September, October, November, December, peaking in December; fog is mostly a midnight–10 AM phenomenon; typically thinning out by noon; 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.