Fog in Leeuwarden

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 Leeuwarden Air Base (EHLW). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
EHLWLeeuwarden Air Base275 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 Leeuwarden fogs in

Fog here concentrates in December and January — about 275 hours in a typical year at EHLW, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the EHLW station page.

Fog season

January: ~50 hJanFebruary: ~33 hFebMarch: ~26 hMarApril: ~10 hAprMay: ~6 hMayJune: ~5 hJunJuly: ~2 hJulAugust: ~2 hAugSeptember: ~13 hSepOctober: ~17 hOctNovember: ~42 hNovDecember: ~69 hDec
Fog season runs November through March, peaking in December; fog here can hit at any hour of the day; 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.