St Germans River - Erth Hill Wind ForecastUnited KingdomSWCornwallSt Germans River - Erth Hill1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time St Germans River - Erth Hill wind forecast issued today at 7:10 am. Next forecast at approx. 7:10 pm.St Germans River - Erth Hill Wind Statistics August WindMount Batten (12km)2025JulyAugustStrongest 4 August, 202524.6mph SWAverage August6.7mphStrongest 5 July, 202520.1mph SWAverage July6.8mphStrongest 24 January, 202547mph SAverage 20257.8mphClimate (2011–Present)Mount Batten (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202251.4mph WSWAverage 2020–20259mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August17.5%10%2.5%CalmGaleAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August20%11.25%2.5%CalmGaleGet WillyWeather+ to remove ads