Weather in Thailand
Temperature and rain for every month, at 95 places across the country.
Bangkok through the yearTemperature and rain
All values as a table
| Month | Bangkok (Central) |
|---|---|
| Jan | 32° / 23° at night · 13 mm |
| Feb | 33° / 24° at night · 20 mm |
| Mar | 34° / 26° at night · 42 mm |
| Apr | 35° / 27° at night · 91 mm |
| May | 34° / 26° at night · 248 mm |
| Jun | 34° / 26° at night · 157 mm |
| Jul | 33° / 26° at night · 175 mm |
| Aug | 33° / 26° at night · 219 mm |
| Sept | 33° / 25° at night · 334 mm |
| Oct | 33° / 25° at night · 292 mm |
| Nov | 32° / 24° at night · 50 mm |
| Dec | 32° / 22° at night · 6 mm |
Source: Thai Meteorological Department (TMD), climate averages 1981 to 2010, rounded. Temperature = average daily high, rain = monthly total. Individual years can differ considerably.
All places by region
North
Northeast
Central
East
Gulf
Andaman Sea
Three seasons, two coasts
On this page you can see for 95 places in Thailand how warm it gets month by month, how much rain falls and when the best time to visit is. Search for your place above or pick it from the list by region. The figures are averages from the Thai weather service for the years 1981 to 2010. They show what you can expect, but they are not a forecast. Individual years often differ considerably.
According to the Thai government, the country has three seasons. From mid-February to mid-May it is hot, from mid-May to mid-October it is the rainy season, and from mid-October to mid-February it is cooler and drier. In Bangkok the most rain falls in September, around 334 millimetres. In the north the nights get properly chilly in winter: in Chiang Mai they drop to an average of 15 °C, in Umphang on the border with Myanmar even to 12 °C.
In the south you need to watch the coast. On the Andaman Sea with Phuket, Krabi and Khao Lak, it rains most from May to October, in Phuket around 361 millimetres in September. On the Gulf coast with Koh Samui, Koh Phangan and Koh Tao, the heaviest rain only comes at the end of the year, on Koh Samui in November with around 507 millimetres. That is why in July and August the Gulf is usually drier than the Andaman Sea. From December to March, on the other hand, the Andaman Sea is driest.
Which region suits which month is covered in detail in the guide Best time to visit Thailand.
Frequently asked questions about the weather in Thailand
When is the best time to visit Thailand?
For the north and Bangkok, the cooler, dry season from November to February is the most pleasant. On the Andaman Sea with Phuket and Krabi it is driest from December to March. On the Gulf coast with Koh Samui, by contrast, the most rain only falls in November, and it is driest there from February to April.
When is the rainy season in Thailand?
According to the Thai government, from mid-May to mid-October. In Bangkok it rains most in September, around 334 millimetres, in Phuket around 361 millimetres in September. On the Gulf coast the rainy season shifts to the end of the year.
Where is it dry in Thailand in December?
In December, less than 30 millimetres of rain falls on average in Bangkok, Chiang Mai, Pattaya, Hua Hin, Chiang Rai, Ayutthaya and Kanchanaburi. On Koh Samui, by contrast, December is still wet.
When is it hottest in Thailand?
In April. Then, for example, Kanchanaburi averages 38 °C by day. In the north, on the other hand, it cools down noticeably at night in winter, in Chiang Mai to around 15 °C.