Thailand
Phuket in August: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Phuket in August is climatically well suited to beach holidays. The average daily high is around 28 °C, and the sea is about 29 °C. With about 26 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
56/100 · #8
Warmth
#7
Dryness
#7
Sun
#7
Sea warmth
#5
Published best categories: none
Phuket · AugustPhoto: PavF · CC BY-SA 3.0Climate facts
- Average high
- 28 °C
- Average low
- 27 °C
- Sea
- 29 °C
- Rainy days (est.)
- 26 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 84 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| July | 28 | 27 | 27 | 267 | 5.7 | 83 | 3.5 | 29 | 55 |
| August (selected) | 28 | 27 | 26 | 324 | 5.8 | 84 | 3.6 | 29 | 56 |
| September | 28 | 27 | 28 | 352 | 5.6 | 85 | 3.3 | 29 | 57 |
How do the previous and next months compare?
Baseline: August (56/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| July | -1 | +0.2 °C | +0.2 °C | +0.4 | -57.8 mm | -0.1 h | -0.5 % | -0.1 m/s | +0.1 °C |
| September | +1 | -0.3 °C | -0.4 °C | +1.1 | +27.9 mm | -0.2 h | +1 % | -0.3 m/s | -0.4 °C |
All twelve months in context
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Where to stay in Phuket
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Useful next decisions
Frequently asked questions
How warm is Phuket in August?
The average daily high is around 28 °C, with an average daily low of about 27 °C.
Can you swim in Phuket in August?
The sea is about 29 °C (very warm).
Does it rain a lot in Phuket in August?
The curated estimate is about 26 rainy days per month, not a directly measured long-term average. Total precipitation averages around 324 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Phuket?
By the climate score, January, February, March and December are the strongest months for Phuket. For a beach trip: January, February, March and December. August is not among them.