Trefor Wind ForecastUnited KingdomWLIsle of AngleseyTrefor1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Trefor wind forecast issued today at 7:10 am. Next forecast at approx. 7:10 pm.Trefor Wind Statistics May WindValley (7km)2026AprilMayStrongest 1 May, 20268.9mph ESEAverage May4.5mphStrongest 4 April, 202649.2mph SSWAverage April12.9mphStrongest 4 April, 202649.2mph SSWAverage 202612.9mphClimate (2011–Present)Valley (7km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202153.7mph SSWAverage 2021–202612.1mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average May15%8.75%2.5%CalmGaleMay Wind RoseMay (5 Year Average)5 Year Average Annual5 Year Average May25%13.75%2.5%CalmGaleGet WillyWeather+ to remove ads