The temperature can be up to 34 to 37,8 degrees Celsius.
May 20, hot weather is expected to keep hitting the provinces from Thanh Hoa to Phu Yen with temperature of 35 to 37 degrees Celsius around midday at 12am to 16pm.
In Hanoi, the highest temperature is from 35 to 36 degrees Celsius and on May 21, it will reduce slightly in the northern region however the central region will continue facing heat wave till May 22.