Phuket or Krabi in January?
In January, Phuket and Krabi are overall neck and neck — it comes down to your priorities.
PhuketPhoto: PavF · CC BY-SA 3.0
KrabiPhoto: kallerna · CC BY-SA 3.0Key figures in January
| Criterion | Phuket | Krabi |
|---|---|---|
| Day | 28 °C ★ | 28 °C |
| Night | 26 °C ★ | 24 °C |
| Sea | 29 °C ★ | 28 °C |
| Rainy days | 4 rainy days | 4 rainy days |
| Sun | 7 h/day ★ | 6 h/day |
Winner by travel type
Phuket or Krabi in January: the short answer
In January, Phuket and Krabi are essentially level on the overall climate score (both around 84/100). The decision comes down to the individual criteria below.
Across the whole year Phuket averages a climate score of 69/100, Krabi 67/100. Both profiles below are historical monthly averages, not a forecast.
Weather in January, side by side
By day, Phuket sits near 28 °C and Krabi near 28 °C — warmer in Phuket. At night it is roughly 26 °C versus 24 °C.
On rain, Phuket sees about 4 rainy days in January and Krabi about 4. Phuket gets more sunshine (7 vs 6 hours a day).
Sea temperature and swimming
In January the water is about 29 °C at Phuket and 28 °C at Krabi — warmer for swimming at Phuket. Over the year, Phuket is comfortable for swimming (from ~21 °C) in January, February, March, April, May, June, July, August, September, October, November and December, Krabi in January, February, March, April, May, June, July, August, September, October, November and December. Peak sea warmth is May for Phuket and May for Krabi.
Rain and sun across the year
Over a full year Phuket records roughly 142 rainy days and Krabi about 150 — the drier of the two overall is Phuket. At their sunniest, Phuket reaches about 8 hours of sun a day (March) and Krabi about 8 (March). If dependable dry, sunny weather is your top priority, weigh these annual totals alongside the single month above.
Best time to visit each
Climatically, Phuket is at its best in January, February, March and December, while Krabi peaks in January, February, March and December. If your dates are fixed, pick the destination whose strong season overlaps them; if you are flexible, plan around these windows.
Which suits which kind of trip
Based on the January scores for each travel style:
Beach & swimming: both are close.
City breaks: both are close.
Active & hiking: Phuket scores higher in January.
Family: both are close.
Verdict: which should you pick?
There is no single winner — it depends on your month and your priority. For January specifically, use the head-to-head above; over the year, Phuket carries the slightly higher overall climate score. Choose Phuket if its strong months and profile match your plan, Krabi if its do. The month-by-month pages for each destination give you the full picture before you book.