Best Time to Visit Thailand — Month-by-Month Weather Guide
The best time to visit Thailand is December with a travel score of 93/100. The worst time is September (64/100). Top destinations: Chiang Mai, Lampang, Chaiyaphum.
When is the best month to visit Thailand?
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
The best time to visit Thailand is December (score: 93/100) with excellent weather conditions including warm temperatures and plenty of sunshine. Consider avoiding September (score: 64/100) though conditions are still reasonable for travel.
Planning a Trip to Thailand?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Which cities in Thailand have the best weather?
| City | Best Month | Score |
|---|---|---|
| Chiang Mai | February | 99 |
| Lampang | February | 98 |
| Chaiyaphum | January | 98 |
| Khon Kaen | January | 98 |
| Kalasin | January | 98 |
| Maha Sarakham | December | 98 |
| Pai | February | 98 |
| Saraburi | December | 98 |
| Si Maha Phot | December | 98 |
| Prachantakham | December | 98 |
When should I avoid visiting Thailand?
Thailand enjoys favorable conditions year-round! Even the lowest-scoring month, September, still has a score of 64/100. You can visit any time of year and expect decent weather for your trip.