Is it hot in Thailand all year round?

Thailand is not very hot all the year round.

Thailand is divided into three seasons: summer, rainy season and winter. Summer lasts from March to June, rainy season from July to August, and winter from September to February. September to February is a relatively cool season in Thailand, with an average temperature of 22-28 degrees.

Extended data:

Thailand is the kingdom of Thailand, formerly known as Siam, located in Southeast Asia. Laos and Cambodia are in the east, the Gulf of Siam and Malaysia are in the south, and Myanmar and the Andaman Sea are in the west. Most Thais believe in Buddhism, and Buddhists account for more than 90% of the national population. The official language of Thailand is Thai, with Thai letters, and about 50 million people use Thai as their mother tongue. Ethnic minorities have their own dialects.

An important festival in Thailand? : Songkran Festival (April 13 to 15 in Gregorian calendar); Loi krathong (Thai calendar1February 15); National Day (King's birthday, Gregorian calendar1February 5th).

References:

Baidu Encyclopedia-Thailand

References:

Chinese website of Thailand National Tourism Administration-Best Travel Time in Thailand