Weather in Chiang Mai
What's the weather like in Chiang Mai?
Chiang Mai has a moderate climate and moderate rainfall spread across the year. Average daytime highs range from 29°C (84°F) in January to 32°C (90°F) in July, with overnight lows around 14°C (57°F) and 23°C (73°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Chiang Mai are December.
Quick facts
- Country
- 🇹🇭 Thailand
- Region
- Asia
- Time zone
- Asia/Bangkok
- Coordinates
- 18.788, 98.985
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 29°C / 84°F | 14°C / 57°F | 5 mm | 1 | 0 |
| February | 32°C / 90°F | 15°C / 59°F | 10 mm | 1 | 0 |
| March | 34°C / 93°F | 18°C / 64°F | 30 mm | 3 | 0 |
| April | 36°C / 97°F | 22°C / 72°F | 55 mm | 5 | 0 |
| May | 34°C / 93°F | 23°C / 73°F | 165 mm | 12 | 0 |
| June | 33°C / 91°F | 23°C / 73°F | 150 mm | 12 | 0 |
| July | 32°C / 90°F | 23°C / 73°F | 165 mm | 15 | 0 |
| August | 31°C / 88°F | 23°C / 73°F | 205 mm | 17 | 0 |
| September | 31°C / 88°F | 23°C / 73°F | 250 mm | 18 | 0 |
| October | 31°C / 88°F | 22°C / 72°F | 140 mm | 10 | 0 |
| November | 30°C / 86°F | 19°C / 66°F | 50 mm | 5 | 0 |
| December | 28°C / 82°F | 16°C / 61°F | 15 mm | 2 | 0 |
Chiang Mai by month
Detailed weather for any specific month:
Seasonal patterns to know
Southeast Asia rainy season runs May–October. Daily afternoon thunderstorms are typical. Dry season is November–April.
Cities with a similar climate to Chiang Mai
Live forecast, sunrise/sunset, and more.