Fog in Firenze (FI)

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 Florence Airport; Peretola (LIRQ). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LIRQFlorence Airport; Peretola54 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 Firenze (FI) fogs in

Fog here concentrates in December and November — about 54 hours in a typical year at LIRQ, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LIRQ station page.

Fog season

January: ~11 hJanFebruary: ~3 hFebMarch: ~2 hMarApril: ~1 hAprMay: ~0 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~1 hSepOctober: ~2 hOctNovember: ~12 hNovDecember: ~24 hDec
Fog season runs November through January, peaking in December; 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.