The Ministry of the Interior issued ministerial laws defining 9 types of visa, The different visa types entitle their holders to different rights concerning the length of stay in the kingdom and visa fees that vary according to the type of visa.
The best time to visit Thailand is from November to February when the northeast monsoon is blowing cool, dry air which serves as a respite from the heat.
Thailand can best be described as tropical and humid for the majority of the country during most of the year. The area of Thailand north of Bangkok has a climate determined by three seasons whilst the southern peninsular region of Thailand has only two.