Fog in Bilbao

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 1 hour of dense fog here (10-year average).

Measured at Bilbao Airport (LEBB). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LEBBBilbao Airport36 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 Bilbao fogs in

Fog here concentrates in December and October — about 36 hours in a typical year at LEBB, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LEBB station page.

Fog season

January: ~5 hJanFebruary: ~3 hFebMarch: ~1 hMarApril: ~1 hAprMay: ~1 hMayJune: ~2 hJunJuly: ~0 hJulAugust: ~1 hAugSeptember: ~2 hSepOctober: ~7 hOctNovember: ~4 hNovDecember: ~9 hDec
Fog season runs October through February, peaking in December; fog is mostly a midnight–9 AM phenomenon; typically thinning out by 11 AM; 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.