Fog in Karlstad

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 18 hours of dense fog here (10-year average).

Measured at Karlstad Airport (ESOK). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ESOKKarlstad Airport344 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 Karlstad fogs in

Fog here concentrates in January and December — about 344 hours in a typical year at ESOK, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ESOK station page.

Fog season

January: ~53 hJanFebruary: ~39 hFebMarch: ~39 hMarApril: ~13 hAprMay: ~10 hMayJune: ~6 hJunJuly: ~9 hJulAugust: ~18 hAugSeptember: ~41 hSepOctober: ~27 hOctNovember: ~41 hNovDecember: ~52 hDec
Fog season runs August through March, peaking in January; fog is mostly a 9 PM–9 AM phenomenon; typically thinning out by noon; 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.