Fog in Vannes/Meucon

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 8 hours of dense fog here (10-year average).

Measured at Vannes-Meucon Airport (LFRV). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LFRVVannes-Meucon Airport246 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 Vannes/Meucon fogs in

Fog here concentrates in December and January — about 246 hours in a typical year at LFRV, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LFRV station page.

Fog season

January: ~43 hJanFebruary: ~30 hFebMarch: ~14 hMarApril: ~6 hAprMay: ~6 hMayJune: ~9 hJunJuly: ~2 hJulAugust: ~8 hAugSeptember: ~14 hSepOctober: ~27 hOctNovember: ~36 hNovDecember: ~54 hDec
Fog season runs September through March, peaking in December; fog is mostly a 11 PM–11 AM phenomenon; typically thinning out by 1 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.