The number of wine producers there - and right across the country - has increased in the last two decades. And it's all down to warming temperatures, which means Wales has become 'more suitable' for growing wine grapes, experts say. According to the Foods Standards Agency Wales, a total of 59 vineyards across the country were registered with them at the end of July. This is a huge increase from 'only six' registered in Wales in 2009, according to the BBC.