Fog in Geelong/Melbourne, VIC

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 7 hours of dense fog here (10-year average).

Measured at Melbourne Avalon International Airport (YMAV). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
YMAVMelbourne Avalon International Airport50 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 Geelong/Melbourne fogs in

Fog here concentrates in June and July — about 50 hours in a typical year at YMAV, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the YMAV station page.

Fog season

January: ~2 hJanFebruary: ~0 hFebMarch: ~1 hMarApril: ~4 hAprMay: ~7 hMayJune: ~13 hJunJuly: ~11 hJulAugust: ~7 hAugSeptember: ~1 hSepOctober: ~1 hOctNovember: ~1 hNovDecember: ~0 hDec
Fog season runs April through August, peaking in June; fog is mostly a 1 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.