Fog in Chillan

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 27 hours of dense fog here (10-year average).

Measured at Gral. Bernardo O´Higgins Airport (SCCH). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SCCHGral. Bernardo O´Higgins Airport252 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 Chillan fogs in

Fog here concentrates in June and July — about 252 hours in a typical year at SCCH, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SCCH station page.

Fog season

January: ~2 hJanFebruary: ~2 hFebMarch: ~6 hMarApril: ~35 hAprMay: ~50 hMayJune: ~56 hJunJuly: ~54 hJulAugust: ~27 hAugSeptember: ~11 hSepOctober: ~5 hOctNovember: ~3 hNovDecember: ~0 hDec
Fog season runs April through August, peaking in June; fog is mostly a 8 AM–10 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.