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Climate month by month
Official 30-year averages (1991–2020) measured by the Thai Meteorological Department at its Takua Pa station, 8 km from Khao Lak. Source (TMD, PDF)
| Month | Day / Night | Rainfall | Rainy days | Humidity | Years of data |
|---|---|---|---|---|---|
| January | 32.6°C / 22.1°C | 62 mm | 6 | 79% | 30 |
| February | 33.2°C / 22.3°C | 45 mm | 6 | 78% | 30 |
| March | 33.6°C / 23.3°C | 145 mm | 10 | 80% | 30 |
| April | 33.7°C / 24.3°C | 222 mm | 16 | 83% | 30 |
| May | 32.6°C / 24.7°C | 431 mm | 22 | 86% | 30 |
| June | 31.9°C / 24.6°C | 457 mm | 21 | 86% | 30 |
| July | 31.5°C / 24.6°C | 466 mm | 22 | 86% | 30 |
| August | 31.3°C / 24.5°C | 570 mm | 23 | 87% | 30 |
| September | 30.9°C / 23.9°C | 636 mm | 24 | 88% | 30 |
| October | 31.1°C / 23.5°C | 529 mm | 24 | 88% | 30 |
| November | 31.8°C / 23.2°C | 232 mm | 17 | 85% | 30 |
| December | 31.9°C / 22.7°C | 78 mm | 9 | 80% | 30 |
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