Fog in Rosario

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 Rosario Islas Malvinas International Airport (SAAR). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
SAARRosario Islas Malvinas International Airport84 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 Rosario fogs in

Fog here concentrates in June and July — about 84 hours in a typical year at SAAR, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the SAAR station page.

Fog season

January: ~0 hJanFebruary: ~3 hFebMarch: ~3 hMarApril: ~5 hAprMay: ~12 hMayJune: ~28 hJunJuly: ~13 hJulAugust: ~8 hAugSeptember: ~5 hSepOctober: ~2 hOctNovember: ~1 hNovDecember: ~0 hDec
Fog season runs May through August, peaking in June; fog is mostly a 5 AM–9 AM phenomenon; typically thinning out by 11 AM; 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.