Fog in Ciudad de la Costa

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 28 hours of dense fog here (10-year average).

Measured at Carrasco General Cesáreo L. Berisso International Airport (SUMU). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SUMUCarrasco General Cesáreo L. Berisso International Airport155 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 Ciudad de la Costa fogs in

Fog here concentrates in June and July — about 155 hours in a typical year at SUMU, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SUMU station page.

Fog season

January: ~1 hJanFebruary: ~1 hFebMarch: ~3 hMarApril: ~9 hAprMay: ~17 hMayJune: ~39 hJunJuly: ~32 hJulAugust: ~28 hAugSeptember: ~14 hSepOctober: ~7 hOctNovember: ~2 hNovDecember: ~1 hDec
Fog season runs May through September, peaking in June; fog is mostly a 11 PM–9 AM phenomenon; typically thinning out by 11 AM; 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.