Late, milder summer predictedSummer is predicted to come later with cooler temperatures this year according to Le Thanh Hai, vice head of the National Centre for Hydro-meteorology Forecast. Late, milder summer predictedAccording to Hai, there will be more cold spells in the next two to three months but they will weaken. "The cold spells in May will mainly cause rain, strong winds and hail in the northern region," he said. The northern region will experience hot weather starting from late April while the central coast will have cool weather until May. The storms will appear in typical patterns with two to the north, three in the central region and one in the south.