Thailand Climate & Weather

Thailand is located in the tropics district, and most of the regions have a tropical monsoon climate. It is hot all year round with not much difference in the temperature. Except for some mountainous regions, the temperature is high everywhere, and the annual average temperature is generally around 27℃. Read on to know more about Thailand Climate & Weather. 

Thailand Climate & Weather
Qiang Mai


Thailand Climate & Weather in Regions

Central and southern Thailand, Bangkok and south of Ayutthaya are located in the tropics, hot all year round, and little temperature difference throughout the whole year, which can be described as all seasons like summer. The area of Chiang Mai in the north is subtropical, and the surrounding mountains and lush vegetation can be described as spring in all seasons.

South-central area: Bangkok, Hua Hin-Cha-am, Pattaya, Phuket, Koh Samui, Phi Phi Island, and Krabi belong to the south-central region of Thailand. Most of the areas here have a tropical monsoon climate, and the annual average temperature of each region generally is about 30℃. November-February of the following year is the best season in central and southern Thailand, followed by February and October. Take Bangkok as an example; the most comfortable month of the year is December, with an average monthly temperature of about 17℃. April to May is the most unbearable season, with an average monthly temperature of 38℃.

Thailand Climate & Weather

Due to the tropical monsoon, central and southern Thailand can be divided into three seasons throughout the year. March to May have the highest temperature, with an average temperature of 32℃ to 38℃, which is known as the "hot season". From June to late October, this is the "rainy season", 85% of the year's rainfall is concentrated in the rainy season. And the average monthly temperature is maintained at about 28℃. After the rainy season, the best season of the year is the "cool season", which is from November to the next February, the average temperature is 19℃-26℃. It is the best time to travel to Thailand.

Northern region: Chiang Mai and Chiang Rai belong to north Thailand. Most of the region here has a subtropical monsoon climate. The annual average temperature of each region is generally about 25℃. Every year except the rainy season from June to October, the rest of the year is a comfortable tourism season. The rainy season in northern Thailand is from June to October. At this time, the rainfall is the most abundant. You must bring rain gear when you travel. The average temperature during the rest of the time is only about 18℃-24℃, and the lowest is only about 4℃, which is a very comfortable season for tourists. It is rarely rainy in Northern Thailand during the cool season. The lowest temperature can reach to below 10℃. Sometimes there is even no rain for two months. The local people will place bowls and jars in front of their house to store water. But it is still the most comfortable season ahead of the whole year. Thai people never regard the rainstorm or floods as a disaster; they are very grateful for the rain.

Thailand Climate & Weather
Chiang Rai


Hot Season

March to May is during the hot season, April is the hottest month. The northeast monsoon is transited to southwest monsoon during that period of time.


Rainy Season

June to October is during the rainy season, the rainfall peak of the year.


Cool Season

From November to February is experiencing the northeast monsoon climate with less rainfall. Compared with other seasons, it will be drier.


Best Time to Visit Thailand

The best time to visit Thailand is the cool season from November to February as the monsoon season is over. The average temperature during that time is from 25℃-27℃.

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