Llan Wind ForecastUnited KingdomWLPowysLlan1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Llan wind forecast issued today at 12:38 am. Next forecast at approx. 12:38 pm.Llan Wind Statistics December WindLake Vyrnwy Saws (13.7 miles)2019NovemberDecemberStrongest 5 December, 201942.5mph WSWAverage December10.2mphStrongest 12 November, 201929.1mph WAverage November7.5mphStrongest 16 March, 201951.4mph WSWAverage 20197.9mphClimate (2011–Present)Lake Vyrnwy Saws (13.7 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 16 March, 201951.4mph WSWAverage 2011–Present8.2mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December15%8.75%2.5%CalmStrong GaleDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December17.5%10%2.5%CalmStrong GaleGet an account to remove ads