Weather in Chiang Mai
Northern Thailand
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7-day forecast
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Air quality
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Climate month by month
Averages computed from up to 4 years of historical data (see Data Sources). Some months near the edges of our data window are averaged over fewer years than others — see the table.
| Month | Day / Night | Rainfall | Rainy days | Humidity | Years of data |
|---|---|---|---|---|---|
| January | 27.0°C / 16.4°C | 8 mm | 3 | 70% | 3 |
| February | 30.5°C / 18.6°C | 20 mm | 2 | 62% | 3 |
| March | 33.6°C / 20.5°C | 13 mm | 2 | 54% | 3 |
| April | 36.5°C / 24.2°C | 27 mm | 3 | 54% | 3 |
| May | 33.4°C / 24.3°C | 316 mm | 24 | 74% | 3 |
| June | 31.2°C / 24.1°C | 292 mm | 28 | 82% | 3 |
| July | 29.8°C / 23.8°C | 471 mm | 31 | 86% | 3 |
| August | 29.9°C / 23.7°C | 500 mm | 30 | 87% | 3 |
| September | 30.1°C / 23.3°C | 311 mm | 27 | 85% | 2 |
| October | 29.9°C / 22.3°C | 201 mm | 18 | 83% | 3 |
| November | 28.4°C / 20.0°C | 95 mm | 9 | 79% | 3 |
| December | 27.9°C / 18.2°C | 27 mm | 3 | 76% | 3 |