Fog in Quito

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 3 hours of dense fog here (10-year average).

Measured at Mariscal Sucre International Airport (SEQM). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SEQMMariscal Sucre International Airport46 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 Quito fogs in

Fog here concentrates in May and October — about 46 hours in a typical year at SEQM, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SEQM station page.

Fog season

January: ~4 hJanFebruary: ~3 hFebMarch: ~3 hMarApril: ~3 hAprMay: ~6 hMayJune: ~4 hJunJuly: ~4 hJulAugust: ~3 hAugSeptember: ~3 hSepOctober: ~5 hOctNovember: ~4 hNovDecember: ~4 hDec
Fog season is year-round, peaking in May; fog is mostly a 2 AM–7 AM phenomenon; typically thinning out by 8 AM; 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.