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
Frequently asked questions
When is the best time to visit Chiang Mai?
The most comfortable months in Chiang Mai are usually January, November, December, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Chiang Mai?
April is typically the hottest month in Chiang Mai, averaging a high of 36°C (97°F).
What is the coldest month in Chiang Mai?
January is usually the coldest, with average lows around 14°C (57°F).
Does it snow in Chiang Mai?
Snow is rare in Chiang Mai; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.