Fog in Lanvéoc/Poulmic

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 12 hours of dense fog here (10-year average).

Measured at Lanvéoc-Poulmic Air Base (LFRL). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LFRLLanvéoc-Poulmic Air Base122 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 Lanvéoc/Poulmic fogs in

Fog here concentrates in December and October — about 122 hours in a typical year at LFRL, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LFRL station page.

Fog season

January: ~12 hJanFebruary: ~12 hFebMarch: ~9 hMarApril: ~6 hAprMay: ~6 hMayJune: ~8 hJunJuly: ~7 hJulAugust: ~12 hAugSeptember: ~12 hSepOctober: ~17 hOctNovember: ~7 hNovDecember: ~17 hDec
Fog season is year-round, peaking in October; 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.