Fog in Arvidsjaur

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 24 hours of dense fog here (10-year average).

Measured at Arvidsjaur Airport (ESNX). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ESNXArvidsjaur Airport243 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 Arvidsjaur fogs in

Fog here concentrates in November and October — about 243 hours in a typical year at ESNX, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ESNX station page.

Fog season

January: ~20 hJanFebruary: ~18 hFebMarch: ~8 hMarApril: ~4 hAprMay: ~11 hMayJune: ~5 hJunJuly: ~8 hJulAugust: ~24 hAugSeptember: ~36 hSepOctober: ~43 hOctNovember: ~42 hNovDecember: ~29 hDec
Fog season is January, February, May, August, September, October, November, December, peaking in October; fog is mostly a 9 PM–8 AM phenomenon; typically thinning out by 11 AM; 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.