Phuket weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Excellent
Best time to visit: January – March
What is the weather like in Phuket in January?
In January, Phuket is hot: daytime highs average 28 °C, and even at night it stays warm at around 26 °C. The sea averages 28.4 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 64 mm in total. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Phuket.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 75 | 85 | 91 |
| Day | 28° | 28° | 29° |
| Night | 26° | 26° | 26° |
| Sea | 29° | 28° | 29° |
| Sun | 6 h | 7 h | 8 h |
| Rain days | 14 | 10 | 7 |
More details for January
- Daylight
- 11 h 42 min06:44 – 18:26
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 64 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+7Asia/Bangkok
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %63 %
- Few rainy daysweight 20 %60 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Phuket in January: quick answers
Is Phuket hot in January?
Yes. In January, Phuket is hot: daytime highs average 28 °C and nights stay around 26 °C. On about 1 days the thermometer climbs to 30 °C or more.
Can you swim in Phuket in January?
Yes. In January the sea averages 28.4 °C – lovely and warm for swimming.
Does it rain much in Phuket in January?
Rain is frequent, with about 10 rainy days and 64 mm in total.
Phuket month by month
The whole year in PhuketAll destinations: ThailandWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences