Merthyr Mawr Wind ForecastUnited KingdomWLBridgendMerthyr Mawr1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Merthyr Mawr wind forecast issued today at 6:12 am. Next forecast at approx. 6:12 pm.Merthyr Mawr Wind Statistics December WindSt-athan (14km)2024NovemberDecemberStrongest 2 December, 202420.1mph WNWAverage December8.2mphStrongest 24 November, 202431.3mph SSWAverage November7.2mphStrongest 21 January, 202438mph WSWAverage 20247.7mphClimate (2011–Present)St-athan (14km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 11 March, 202142.5mph WSWAverage 2019–20247.9mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December27.5%15%2.5%CalmNear GaleDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December20%11.25%2.5%CalmNear GaleGet WillyWeather+ to remove ads