The best time to visit most of Thailand is the cool season from November to February when the weather is coolest and driest. During the cool season, the temperature ranges from 18 to 32oC in Bangkok, while in Northern Thailand and Northeast Thailand temperature can get quite cool in the morning and at night, especially at high altitudes.
The hot season is from March to June. At this time temperatures in Bangkok average around 34oC, but can often reach 40oC. April is the hottest month across the country so if you can’t stand the heat, you should avoid it.
From July to October is the wet season, when most of annual rainfall is accumulated and flooding can occur in the country. Most of Thailand is very wet and rainy and the humidity is at the highest with temperatures averaging about 29oC.
The Best Time for Your Thailand Trip Itinerary
As the weather in Thailand differs quite a lot, depending on the region and the time of the year, our chart of weather ratings will help you to find out what months are the most suitable for your Thailand trip itinerary.
| Destination | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bangkok | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★★☆ | ★★★★★ |
| Chiang Mai | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★★☆ | ★★★★★ | ★★★★★ |
| Krabi | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★★★ |
| Koh Samui | ★★★★☆ | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★★☆ |
| Phuket | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★★★ |
| Pattaya | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★★☆ | ★★★★★ |
| Kanchanaburi | ★★★★☆ | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★★☆ | ★★★★★ |
| Hua Hin | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★★☆ | ★★★★★ |
| Koh Chang | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★★☆ | ★★★★★ |
| Isan | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★★☆ | ★★★★★ |
★★★★★ - perfection ★★★★☆ - very good ★★★☆☆ - good ★★☆☆☆ - uncomfortable ★☆☆☆☆ - better stay home!
Can't find the place you want to visit? Keep in mind that the weather conditions in these locations tend to be similar:
- Bangkok and Ayutthaya, Lopburi
- Chiang Mai and Chiang Rai, Sukhothai, Pai
- Krabi and Koh Phi Phi, Koh Lanta, Koh Lipe
- Phuket and Khao Lak, Phang-nga, Koh Phayam
- Koh Samui and Koh Phangan, Koh Tao
- Pattaya and Koh Samet
- Koh Chang and Koh Kood
- Hua Hin and Cha-am
The Best Time for Staying Dry in Thailand
If the heat doesn't bother you and the only thing you want to escape while traveling is the rain, our chart of rainy weather ratings might help you staying dry in Thailand during your trip.
| Destination | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bangkok | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★☆☆☆☆ | ★★☆☆☆ | ★★★★☆ | ★★★★★ |
| Chiang Mai | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★★★ | ★★★★★ |
| Krabi | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★☆☆☆☆ | ★☆☆☆☆ | ★☆☆☆☆ | ★★☆☆☆ | ★★★★☆ |
| Koh Samui | ★★★★☆ | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★☆☆☆☆ | ★☆☆☆☆ | ★★★☆☆ |
| Phuket | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★☆☆☆☆ | ★☆☆☆☆ | ★☆☆☆☆ | ★★☆☆☆ | ★★★★☆ |
| Pattaya | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★★☆ | ★★★★★ |
| Kanchanaburi | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★★☆ | ★★★★★ |
| Hua Hin | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ | ★★☆☆☆ | ★★★★☆ | ★★★★★ |
| Koh Chang | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ | ★☆☆☆☆ | ★☆☆☆☆ | ★☆☆☆☆ | ★☆☆☆☆ | ★★☆☆☆ | ★★★★☆ | ★★★★★ |
| Isan | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★☆☆☆☆ | ★☆☆☆☆ | ★★★☆☆ | ★★★★★ | ★★★★★ |
★★★★★ - chance of getting wet is close to minimum
★★★★☆ - a bit of rain every few days might be expected
★★★☆☆ - the rain isn't constant and long lasting, if any
★★☆☆☆ - chances of rainy day are bigger than 50/50
★☆☆☆☆ - not only umbrella can be handy, boat too!