Fog in Rivera/Santana do Livramento

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 104 hours of dense fog here (10-year average).

Measured at Pres. Gral. Óscar D. Gestido Binational Airport (SURV). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SURVPres. Gral. Óscar D. Gestido Binational Airport940 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 Rivera/Santana do Livramento fogs in

Fog here concentrates in June and July — about 940 hours in a typical year at SURV, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SURV station page.

Fog season

January: ~25 hJanFebruary: ~17 hFebMarch: ~37 hMarApril: ~66 hAprMay: ~96 hMayJune: ~169 hJunJuly: ~161 hJulAugust: ~104 hAugSeptember: ~60 hSepOctober: ~24 hOctNovember: ~12 hNovDecember: ~31 hDec
Fog season runs April through September, peaking in June; fog is mostly a 10 PM–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.