Fog in Porto Velho

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 8 hours of dense fog here (10-year average).

Measured at Governador Jorge Teixeira de Oliveira International Airport (SBPV). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SBPVGovernador Jorge Teixeira de Oliveira International Airport40 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 Porto Velho fogs in

Fog here concentrates in September and August — about 40 hours in a typical year at SBPV, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SBPV station page.

Fog season

January: ~3 hJanFebruary: ~2 hFebMarch: ~2 hMarApril: ~4 hAprMay: ~3 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~8 hAugSeptember: ~10 hSepOctober: ~1 hOctNovember: ~3 hNovDecember: ~2 hDec
Fog season is January, April, May, August, September, November, peaking in September; fog is mostly a 6 AM–7 AM phenomenon; typically thinning out by 1 PM; 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.