Adelaide temperatures to reach 29C as we near winter Bex Griffiths says she'll be heading back to Henley Beach again. YES, Adelaide, it's nearly winter - but Wednesday's 29C forecast is tipped to be the start of a short but record-breaking May heatwave. And no one is more surprised than Englishwoman Bex Griffiths, who said she'd "never seen it this hot in the UK." The 24-year-old, who has just arrived from Weymouth on Britain's south coast, was shocked at the forecast for Adelaide's hottest three consecutive days in May since 1921. "29C would be the hottest day you'd ever get in England, but normally it's about 10C," she said. Ms Griffiths - who has moved to Adelaide to live with boyfriend Matt Teager, of Magill - plans to don her bikini and head to Henley Beach. Adelaide is expecting highs of 28C tomorrow and on Friday. And if the forecast is right, the state is in for its hottest 10-day start to May since 2002. Sunny weeks ahead Regional centres are also sweltering through May, with many towns in the state's north recording their hottest May day in history last week. Leigh Creek recorded a top of 32.1C, Marree 34C, Tarcoola 34.2C and Moomba 33.7C at the weekend. Today much of the state's west will reach temperatures over 30C. Primary Producers SA grain producers chairman Garry Hansen said the unseasonally warm weather was causing major problems for farmers during sowing season. "Having hot temperatures at this time of year basically dries the soil profile out," he said. Bureau of Meteorology climate services manager Darren Ray said the temperatures were well above May's average of 18.9C.