The Meteorological Department warned on Monday it is going to get colder in the northern half of Thailand.
The strong high pressure zone from China still covers the entire northern part of the country, with thundershowers and strong winds in some areas.
Because of this, the short cold spell is expected to become more severe, dropping by another 2-4 degrees Celsius today and tomorrow.
The minimum temperature in the North is forecast at 8-14C, with isolated frosts on mountaintops; 8-15C in the Northeast; 14-18C in the Central and East; and, 16-18C in Bangkok Metropolis and vicinity.