Fog in La Seu d'Urgell Pyrenees and Andorra

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 2 hours of dense fog here (10-year average).

Measured at Pirineus - la Seu d'Urgel Airport (LESU). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LESUPirineus - la Seu d'Urgel Airport345 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 La Seu d'Urgell Pyrenees and Andorra fogs in

Fog here concentrates in December and October — about 345 hours in a typical year at LESU, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LESU station page.

Fog season

January: ~49 hJanFebruary: ~45 hFebMarch: ~2 hMarApril: ~0 hAprMay: ~0 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~2 hAugSeptember: ~11 hSepOctober: ~52 hOctNovember: ~16 hNovDecember: ~56 hDec
Fog season runs October through February, peaking in December; fog is mostly a 7 AM–7 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.