Fog in Antananarivo

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 Ivato International Airport (FMMI). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
FMMIIvato International Airport27 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 Antananarivo fogs in

Fog here concentrates in June and July — about 27 hours in a typical year at FMMI, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the FMMI station page.

Fog season

January: ~0 hJanFebruary: ~0 hFebMarch: ~0 hMarApril: ~0 hAprMay: ~4 hMayJune: ~9 hJunJuly: ~6 hJulAugust: ~4 hAugSeptember: ~2 hSepOctober: ~1 hOctNovember: ~0 hNovDecember: ~0 hDec
Fog season runs May through August, peaking in June; fog is mostly a 5 AM–8 AM phenomenon; typically thinning out by 9 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.