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Weather
Weather

Thailand is located between vast areas of land and water, so it is impacted by both the summer and the winter monsoons. As a result, Thailand weather consists of six months of rainfalls during the wet season, three months of dry and cooling breezes during the cool season, and three months of heat during the hot season. The average temperature of Thailand ranges from 18 to 38°C.

The hot season is from the middle of February to the middle of May, with April being the hottest month. Interesting places to visit during this period are beaches and islands in the South and the East of Thailand.

The wet or rainy season starts from the middle of May to the middle of October, when rain will become less frequent and the weather in upper Thailand, especially the North and the Northeast, will get cooler, while rain in the South will continue until December. Popular activities during this time of the year include visiting hills and mountains and enjoying scenery of rice terraces in the North, which will look different from the cool season.

The cool season is from the middle of October to the middle of February. The temperature can get really cool in Northern and Northeastern Thailand in this period, especially on high hills and mountains, where tourists can experience the beauty of sea of mists and winter flowers. Chiang Mai weather is also best at this time of the year.

Weather and tourist attractions

Checking the weather before planning where to visit is vital to the success of your trip. While some places in Thailand can be visited at any time of the year, some are best during particular periods. For example, if a clear sky, bright sun, and blue sea are your things, you should definitely travel Thailand in the hot season. Koh Samui weather is perfect for beach lovers during summer. But for mountain lovers, the recommended period is the cool season when there are cooling breezes and beautiful flowers for you to enjoy. The wet season in Thailand offers you with green forests and spectacular views.

Exquisite temples, vivacious floating markets and walking streets, traditional villages, and unique annual festivals are also waiting for you to visit all year round here in Thailand! 

Weather Forecast

18 December 2017
weather forecast

Cool Season

26°C

November

February

Cool Season
( November - February )

The weather in Thailand around the central, northern, and northeastern regions is mostly cool and dry between November and February, consequently these are the most popular months to visit Thailand.  Considering its location in the tropics however, the Thailand climate is quite warm most of the year and genuinely “cool” weather really only occurs in the northern mountains, while areas like Bangkok and Ayutthaya receive perhaps only two or three weeks of “cool” weather in late December or early January.
The southern region of Thailand really has only two seasons – “rainy” and dry, not technically experiencing “cool” weather, per se, but featuring glorious sunshine without unbearable heat, beginning in late November and continuing onto April or May.

Weather

Cool Season
Cool Season
Cool Season
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Hot Season

32°C

March

June

Hot Season
( March - June )

The weather in Thailand classified as the hot season lasts from March to June when higher relative temperatures and occasional rain are the norm.  Around the inland areas, including Bangkok and Ayutthaya, this often means punishing heat and high humidity.  The temperatures in the hot season begin climbing in February and by April the unrelenting heat makes many residents eager for the upcoming rains, which begin sporadically falling around mid-April.  This is traditionally the least popular season for travelers to visit, although the weather in Thailand is still quite nice along Thailand’s coasts.

Weather

Hot Season
Hot Season
Hot Season
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Rainy Season

28°C

July

October

Rainy Season
( July - October )

The rainy season lasts from July to October and is dominated by the southwest monsoon, during which time rainfall in most of Thailand is at its heaviest.  However, like the “cool” season, the name “rainy season” is slightly misleading.  While it certainly does rain during this season it’s more likely to consist of flash-flood afternoon downpours than a continual drizzle for days.  If you can bear the heat and humidity, the weather in Thailand is typically sunny throughout the rainy season, but when the rain comes, it’s fast and it’s furious.

Fortunately for beach lovers, Thailand’s two coasts have slightly different rainy seasons, allowing visitors to find sunny beaches nearly year round. On the Andaman or west coast, where Phuket, Krabi, and the Phi Phi Islands lie, the southwest monsoon brings heavy storms from April to October, while on the Gulf of Thailand or east coast, where Koh Samui, Koh Phangan, and Koh Tao lie, the most rain falls between September and December.  While the monsoon on the west coast brings a fairly steady season of continual rain that forces businesses outside the major tourist destinations to shut their doors for the season, the east coast storms are more similar to the north’s, generally sunny days with occasionally heavy downpours.

Overall, the southern parts of Thailand, particularly the Andaman Coast, get the most rain: around 2,400 millimeters every year, compared with the central and northern regions of Thailand, both of which get around 1,400 millimeters.

Weather

Rainy Season
Rainy Season
Rainy Season
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Average Weather of Thailand in a Year

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