Climate averages 1991–2020
Phuket weather
in August.
A hot, very wet month: the joint 8th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Phuket: daytime highs average 28.1°C and nights cool to about 26.2°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 276 mm of rain on roughly 24 days, which makes August a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 23 min on an average August day.
The nearest other city in this atlas is Surat Thani (173 km away). In August its highs average 30.9°C, 2.8°C warmer than Phuket, with 108 mm of rain.
Among the 46 cities listed in Thailand, Phuket ranks 46th of 46 for the warmest August highs and 41st of 46 for the driest August (rainfall, lowest first). The mean August high of those 46 cities is 30.7°C; Phuket is 2.6°C cooler than that mean.
From August to September, average highs fall by 0.3°C to 27.8°C, and monthly rainfall rises from 276 mm to 311 mm.
The annual picture
August 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 | 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, selected | 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
August in nearby cities
- Surat Thani in AugustThailand · 173 kmHigh 30.9°C · Low 24.3°C · 108 mm rain
- Nakhon Si Thammarat in AugustThailand · 183 kmHigh 30.7°C · Low 24.0°C · 117 mm rain
- Ban Mai in AugustThailand · 249 kmHigh 30.8°C · Low 25.8°C · 86 mm rain
- Hat Yai in AugustThailand · 249 kmHigh 31.0°C · Low 24.5°C · 121 mm rain
- Alor Setar in AugustMalaysia · 293 kmHigh 29.7°C · Low 24.5°C · 232 mm rain
- Pendang in AugustMalaysia · 312 kmHigh 29.9°C · Low 24.0°C · 211 mm rain
- Lhokseumawe in AugustIndonesia · 331 kmHigh 29.4°C · Low 25.0°C · 79 mm rain
- Kota Kuala Muda in AugustMalaysia · 336 kmHigh 30.0°C · Low 24.8°C · 217 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.