Fog in Vestmannaeyjar

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 107 hours of dense fog here (10-year average).

Measured at Vestmannaeyjar Airport (BIVM). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
BIVMVestmannaeyjar Airport523 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 Vestmannaeyjar fogs in

Fog here concentrates in October and August — about 523 hours in a typical year at BIVM, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the BIVM station page.

Fog season

January: ~9 hJanFebruary: ~8 hFebMarch: ~13 hMarApril: ~37 hAprMay: ~96 hMayJune: ~88 hJunJuly: ~63 hJulAugust: ~107 hAugSeptember: ~35 hSepOctober: ~108 hOctNovember: ~15 hNovDecember: ~13 hDec
Fog season runs April through October, peaking in October; fog is mostly a 1 AM–2 AM phenomenon; typically thinning out by 4 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.