Fog in Groningen

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

Measured at Groningen Airport Eelde (EHGG). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EHGGGroningen Airport Eelde286 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 Groningen fogs in

Fog here concentrates in December and November — about 286 hours in a typical year at EHGG, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EHGG station page.

Fog season

January: ~44 hJanFebruary: ~26 hFebMarch: ~24 hMarApril: ~12 hAprMay: ~12 hMayJune: ~6 hJunJuly: ~7 hJulAugust: ~10 hAugSeptember: ~26 hSepOctober: ~24 hOctNovember: ~45 hNovDecember: ~55 hDec
Fog season runs September through March, peaking in December; 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.