Penang or Phuket in January?
On climate data, Phuket comes out ahead overall in January. See the per-criterion details below.
PenangPhoto: Supanut Arunoprayote · CC BY 4.0
PhuketPhoto: PavF · CC BY-SA 3.0Key figures in January
| Criterion | Penang | Phuket |
|---|---|---|
| Average daily high | 29 °C | 28 °C |
| Average daily low | 22 °C | 26 °C |
| Sea | 29 °C ★ | 28 °C |
| Rainy days | 15 rainy days (est.) | 11 rainy days (est.) ★ |
| Sun | 6 h/day | 7 h/day ★ |
| Humidity | 84 % | 81 % |
Winner by travel type
Trade-offs
- Phuket is drier, with about 4 fewer rainy days.
Penang or Phuket in January: the short answer
In January, Phuket comes out ahead on the overall climate score (Penang 62/100 vs Phuket 74/100). That is a snapshot of one month, though — which one truly fits depends on what you want from the trip, so the breakdown below goes criterion by criterion.
This comparison focuses on January as a representative month for the pair; for any other month, use each destination's month-by-month pages. Across the whole year Penang averages a climate score of 55/100, Phuket 60/100. Both profiles below are historical monthly averages, not a forecast.
Weather in January, side by side
The average daily high is about 29 °C in Penang and 28 °C in Phuket — warmer in Penang. Average daily lows are around 22 °C versus 26 °C.
On rain, Penang sees about 15 rainy days in January and Phuket about 11 — drier in Phuket. Phuket gets more sunshine (6 vs 7 hours a day).
Sea temperature and swimming
In January the water is about 29 °C at Penang and 28 °C at Phuket — warmer for swimming at Penang. Over the year, Penang is comfortable for swimming (from ~21 °C) in January, February, March, April, May, June, July, August, September, October, November and December, Phuket in January, February, March, April, May, June, July, August, September, October, November and December. Peak sea warmth is June for Penang and May for Phuket.
Rain and sun across the year
Over a full year Penang records roughly 268 rainy days and Phuket about 261 — the drier of the two overall is Phuket. At their sunniest, Penang reaches about 7 hours of sun a day (February) and Phuket 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, Penang is at its best in January and February, while Phuket 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: Phuket scores higher in January (Penang 72 vs Phuket 82).
City breaks: Phuket scores higher in January (Penang 60 vs Phuket 74).
Active & hiking: Phuket scores higher in January (Penang 42 vs Phuket 55).
Family: Phuket scores higher in January (Penang 64 vs Phuket 77).
Verdict: which should you pick?
In January, Phuket leads across every scored category here — the overall score and each travel type — so on the climate data it is the clearer pick this month. Over the year, Phuket carries the higher overall climate score. Your own priority (sun, sea, low rain or sightseeing comfort) still matters, and the month-by-month pages for each destination give you the full picture before you book.