Climate averages 1991–2020
Phuket weather
in January.
A hot, moderately wet month: the 6th warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Phuket: daytime highs average 28.4°C and nights cool to about 25.4°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 45 mm of rain on roughly 7 days, which makes January a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 43 min on an average January day.
The nearest other city in this atlas is Surat Thani (173 km away). In January its highs average 29.6°C, 1.2°C warmer than Phuket, with 68 mm of rain.
Among the 46 cities listed in Thailand, Phuket ranks 40th of 46 for the warmest January highs and 41st of 46 for the driest January (rainfall, lowest first). The mean January high of those 46 cities is 30.2°C; Phuket is 1.8°C cooler than that mean.
From January to February, average highs rise by 0.5°C to 28.9°C, and monthly rainfall falls from 45 mm to 21 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Phuket climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 28.4°C25.4°C | 25.4°C | 45 | 6.9 | 11.712 h |
| February | 28.9°C25.9°C | 25.9°C | 21 | 4.1 | 11.912 h |
| March | 29.3°C26.4°C | 26.4°C | 78 | 10.4 | 12.112 h |
| April | 29.4°C26.7°C | 26.7°C | 125 | 17.9 | 12.312 h |
| May | 28.9°C26.6°C | 26.6°C | 266 | 25.1 | 12.512 h |
| June | 28.7°C26.6°C | 26.6°C | 257 | 22.6 | 12.613 h |
| July | 28.3°C26.3°C | 26.3°C | 253 | 23.5 | 12.513 h |
| August | 28.1°C26.2°C | 26.2°C | 276 | 23.7 | 12.412 h |
| September | 27.8°C25.7°C | 25.7°C | 311 | 24.9 | 12.212 h |
| October | 27.7°C25.3°C | 25.3°C | 306 | 27.3 | 12.012 h |
| November | 27.9°C25.5°C | 25.5°C | 184 | 20.3 | 11.812 h |
| December | 28.1°C25.4°C | 25.4°C | 81 | 11.4 | 11.712 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Surat Thani in JanuaryThailand · 173 kmHigh 29.6°C · Low 22.6°C · 68 mm rain
- Nakhon Si Thammarat in JanuaryThailand · 183 kmHigh 27.9°C · Low 22.6°C · 125 mm rain
- Ban Mai in JanuaryThailand · 249 kmHigh 27.6°C · Low 24.7°C · 104 mm rain
- Hat Yai in JanuaryThailand · 249 kmHigh 28.7°C · Low 23.3°C · 86 mm rain
- Alor Setar in JanuaryMalaysia · 293 kmHigh 31.3°C · Low 23.5°C · 53 mm rain
- Pendang in JanuaryMalaysia · 312 kmHigh 31.2°C · Low 23.0°C · 67 mm rain
- Lhokseumawe in JanuaryIndonesia · 331 kmHigh 28.0°C · Low 24.0°C · 113 mm rain
- Kota Kuala Muda in JanuaryMalaysia · 336 kmHigh 30.3°C · Low 23.7°C · 96 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Phuket) is explained once on the Phuket year overview and on the Sources, method and limits page.