Fog in Vilhelmina

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 25 hours of dense fog here (10-year average).

Measured at Vilhelmina South Lapland Airport (ESNV). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ESNVVilhelmina South Lapland Airport240 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 Vilhelmina fogs in

Fog here concentrates in November and December — about 240 hours in a typical year at ESNV, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ESNV station page.

Fog season

January: ~32 hJanFebruary: ~21 hFebMarch: ~14 hMarApril: ~5 hAprMay: ~5 hMayJune: ~5 hJunJuly: ~6 hJulAugust: ~25 hAugSeptember: ~28 hSepOctober: ~33 hOctNovember: ~38 hNovDecember: ~33 hDec
Fog season runs August through March, peaking in November; fog is mostly a 10 PM–7 AM phenomenon; 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.