Fog in La Chaux-de-Fonds

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 Les Eplatures Airport (LSGC). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LSGCLes Eplatures Airport95 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 La Chaux-de-Fonds fogs in

Fog here concentrates in December and January — about 95 hours in a typical year at LSGC, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LSGC station page.

Fog season

January: ~17 hJanFebruary: ~11 hFebMarch: ~8 hMarApril: ~5 hAprMay: ~5 hMayJune: ~2 hJunJuly: ~1 hJulAugust: ~2 hAugSeptember: ~3 hSepOctober: ~8 hOctNovember: ~11 hNovDecember: ~22 hDec
Fog season runs October through March, peaking in December; fog here can hit at any hour of the day; a typical event lasts about 1 hour once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.