Fog in Tucuruí

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 4 hours of dense fog here (10-year average).

Measured at Tucuruí Airport (SBTU). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SBTUTucuruí Airport123 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 Tucuruí fogs in

Fog here concentrates in February and January — about 123 hours in a typical year at SBTU, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SBTU station page.

Fog season

January: ~24 hJanFebruary: ~26 hFebMarch: ~24 hMarApril: ~17 hAprMay: ~9 hMayJune: ~3 hJunJuly: ~2 hJulAugust: ~4 hAugSeptember: ~1 hSepOctober: ~1 hOctNovember: ~6 hNovDecember: ~14 hDec
Fog season runs December through May, peaking in February; fog is mostly a 7 AM–8 AM phenomenon; typically thinning out by 9 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.