Fog in Luleå

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 5 hours of dense fog here (10-year average).

Measured at Luleå Airport (ESPA). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ESPALuleå Airport146 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 Luleå fogs in

Fog here concentrates in September and March — about 146 hours in a typical year at ESPA, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ESPA station page.

Fog season

January: ~9 hJanFebruary: ~17 hFebMarch: ~23 hMarApril: ~9 hAprMay: ~5 hMayJune: ~2 hJunJuly: ~1 hJulAugust: ~5 hAugSeptember: ~27 hSepOctober: ~21 hOctNovember: ~16 hNovDecember: ~15 hDec
Fog season runs September through April, peaking in September; fog here can hit at any hour of the day; 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.