Fog in Ålesund

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average).

Measured at Ålesund Airport (ENAL). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ENALÅlesund Airport23 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 Ålesund fogs in

Fog here concentrates in May and April — about 23 hours in a typical year at ENAL, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ENAL station page.

Fog season

January: ~1 hJanFebruary: ~1 hFebMarch: ~2 hMarApril: ~3 hAprMay: ~7 hMayJune: ~3 hJunJuly: ~3 hJulAugust: ~0 hAugSeptember: ~1 hSepOctober: ~0 hOctNovember: ~0 hNovDecember: ~1 hDec
Fog season runs March through July, peaking in May; fog is mostly a 10 PM–8 AM phenomenon; typically thinning out by 10 AM; 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.