Fog in Montevideo

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 14 hours of dense fog here (10-year average).

Measured at Ángel S. Adami International Airport (SUAA). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SUAAÁngel S. Adami International Airport108 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 Montevideo fogs in

Fog here concentrates in June and July — about 108 hours in a typical year at SUAA, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SUAA station page.

Fog season

January: ~0 hJanFebruary: ~2 hFebMarch: ~1 hMarApril: ~4 hAprMay: ~19 hMayJune: ~32 hJunJuly: ~20 hJulAugust: ~14 hAugSeptember: ~9 hSepOctober: ~3 hOctNovember: ~2 hNovDecember: ~3 hDec
Fog season runs May through September, peaking in June; fog is mostly a 3 AM–9 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.