Fog in Reykjavík

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 4 hours of dense fog here (10-year average).

Measured at Keflavik International Airport (BIKF). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
BIKFKeflavik International Airport77 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 Reykjavík fogs in

Fog here concentrates in December and July — about 77 hours in a typical year at BIKF, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the BIKF station page.

Fog season

January: ~8 hJanFebruary: ~8 hFebMarch: ~4 hMarApril: ~6 hAprMay: ~5 hMayJune: ~8 hJunJuly: ~10 hJulAugust: ~4 hAugSeptember: ~4 hSepOctober: ~6 hOctNovember: ~3 hNovDecember: ~11 hDec
Fog season is year-round, peaking in December; fog here can hit at any hour of the day; 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.