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Best Time for the Phuket, Krabi & the Islands
Sweet spot: January, February, March — computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
High season on the Andaman: flat seas for longtails and every island hop running on time.
Southwest monsoon: west-facing beaches take the swell, boats cancel some days — and prices halve.
| Month | Temp | Rain | Daylight | |
|---|---|---|---|---|
| January | 20.7–30.9°C | 89 mm | 11.6 h | |
| February | 20.9–33.1°C | 25 mm | 11.7 h | |
| March | 21.8–35.2°C | 107 mm | 11.9 h | |
| April | 23.7–35.6°C | 134 mm | 12.2 h | |
| May | 24.4–35.0°C | 242 mm | 12.4 h | |
| June | 24.3–32.3°C | 260 mm | 12.5 h | |
| July | 24.1–30.6°C | 250 mm | 12.4 h | |
| August | 23.8–30.4°C | 282 mm | 12.3 h | |
| September | 23.8–30.8°C | 327 mm | 12.0 h | |
| October | 23.6–30.5°C | 318 mm | 11.8 h | |
| November | 21.7–30.4°C | 234 mm | 11.6 h | |
| December | 21.1–30.1°C | 143 mm | 11.5 h |