Fog in Sønderborg

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 2 hours of dense fog here (10-year average).

Measured at Sønderborg Airport (EKSB). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EKSBSønderborg Airport139 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 Sønderborg fogs in

Fog here concentrates in February and March — about 139 hours in a typical year at EKSB, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EKSB station page.

Fog season

January: ~20 hJanFebruary: ~29 hFebMarch: ~29 hMarApril: ~4 hAprMay: ~5 hMayJune: ~2 hJunJuly: ~4 hJulAugust: ~2 hAugSeptember: ~11 hSepOctober: ~8 hOctNovember: ~15 hNovDecember: ~7 hDec
Fog season is January, February, March, September, October, November, peaking in February; fog is mostly a midnight–9 AM phenomenon; typically thinning out by 1 PM; 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.