Fog in Asunción

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average).

Measured at Silvio Pettirossi International Airport (SGAS). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SGASSilvio Pettirossi International Airport10 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 Asunción fogs in

Fog here concentrates in May and April — about 10 hours in a typical year at SGAS, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SGAS station page.

Fog season

January: ~0 hJanFebruary: ~0 hFebMarch: ~0 hMarApril: ~1 hAprMay: ~3 hMayJune: ~1 hJunJuly: ~1 hJulAugust: ~0 hAugSeptember: ~1 hSepOctober: ~1 hOctNovember: ~0 hNovDecember: ~0 hDec
Fog season is May, peaking in May; fog is mostly a 5 AM–5 AM phenomenon; typically thinning out by 8 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.