It is believed that there is no winter in Thailand nowadays. Most Thai people also say that their country has only three seasons which are hot,very hot and too hot.In fact,there really are three seasons in this country.cool season is from November to February,hot season or summer is from March to June and rainy season is from July to October.However,it can rain throughout the year.It usually rains most in the south.The north can be the coldest part of the country.The north - east is probably the driest area. The central region is a land and it is a wet zone.