Fog in Jönköping

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 15 hours of dense fog here (10-year average).

Measured at Jönköping Airport (ESGJ). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ESGJJönköping Airport172 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 Jönköping fogs in

Fog here concentrates in September and November — about 172 hours in a typical year at ESGJ, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ESGJ station page.

Fog season

January: ~20 hJanFebruary: ~14 hFebMarch: ~16 hMarApril: ~10 hAprMay: ~9 hMayJune: ~4 hJunJuly: ~7 hJulAugust: ~15 hAugSeptember: ~27 hSepOctober: ~15 hOctNovember: ~21 hNovDecember: ~16 hDec
Fog season runs July through May, peaking in September; fog is mostly a 2 AM–7 AM phenomenon; typically thinning out by 9 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.