{"city":"La Roche-sur-Yon","region":"FR-PDL","country":"FR","slug":"la-roche-sur-yon","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"LFRI","name":"La Roche-sur-Yon Les Ajoncs Airport","subCat1HoursPerYear":153,"forecast":"climatology"}],"primaryStation":"LFRI","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. August typically brings about 5 hours of dense fog here (10-year average)."},"climatology":{"subCat1HoursPerYear":153,"fogSeasonPeakMonths":["December","November"],"medianEventHours":2,"season":{"summary":"Fog season runs September through February, peaking in December; fog is mostly a 1 AM\u201310 AM phenomenon; typically thinning out by noon; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","September","October","November","December"],"timeOfDay":"1 AM\u201310 AM","typicallyClearsBy":"noon"}},"links":{"page":"https://fogatlas.org/fog/city/la-roche-sur-yon/","stationPages":["https://fogatlas.org/fog/lfri/"],"verification":"https://fogatlas.org/fog/scorecard/"}}