{"icao":"LIRF","name":"Rome\u2013Fiumicino Leonardo da Vinci International Airport","lat":41.8045,"lon":12.252,"country":"IT","tz":"Europe/Rome","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":20,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["April","February"],"monthlyHours":[2,4,1,4,1,1,3,1,0,1,1,1],"medianEventHours":2,"season":{"summary":"Fog season is January, February, April, July, peaking in February; fog is mostly a 2 AM\u20137 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","April","July"],"timeOfDay":"2 AM\u20137 AM","typicallyClearsBy":"9 AM"}},"forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in September (10-year average)."},"links":{"page":"https://fogatlas.org/fog/lirf/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=LIRF","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/LIRF.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}