Fog in Kuusamo

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 11 hours of dense fog here (10-year average).

Measured at Kuusamo Airport (EFKS). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EFKSKuusamo Airport131 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 Kuusamo fogs in

Fog here concentrates in September and November — about 131 hours in a typical year at EFKS, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EFKS station page.

Fog season

January: ~18 hJanFebruary: ~13 hFebMarch: ~11 hMarApril: ~5 hAprMay: ~8 hMayJune: ~1 hJunJuly: ~1 hJulAugust: ~11 hAugSeptember: ~18 hSepOctober: ~18 hOctNovember: ~18 hNovDecember: ~11 hDec
Fog season runs August through May, peaking in January; fog is mostly a 1 AM–8 AM phenomenon; typically thinning out by 1 PM; 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.