
The North, the Northeast and Central Thailand are likely to feel the heat the most, while temperature in Bangkok could peak at 40 degrees Celsius on certain days, he said.
He said temperatures had risen during the daytime and there was a seasonal wind shift from the cooler northeast monsoon to the dry southerly wind. The department said Thailand has been in summer since March 3, which would last until around mid-May.
Also on Tuesday, the department issued a warning that Thailand would have outbreaks of summer thunderstorms and gusty winds in some areas; the Northeast and the East would be affected from March 7-9 while the Central and the lower North would be hit from March 8-10.