Thailand
Phuket in April: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Phuket in April is climatically mixed. The average daily high is around 30 °C, and the sea is about 30 °C. With about 21 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
54/100 · #10
Warmth
#2
Dryness
#5
Sun
#2
Sea warmth
#2
Published best categories: none
Phuket · AprilPhoto: PavF · CC BY-SA 3.0Climate facts
- Average high
- 30 °C
- Average low
- 28 °C
- Sea
- 30 °C
- Rainy days (est.)
- 21 rainy days (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 79 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| March | 30 | 27 | 14 | 97 | 7.7 | 77 | 2.4 | 29 | 63 |
| April (selected) | 30 | 28 | 21 | 147 | 7.5 | 79 | 2.3 | 30 | 54 |
| May | 29 | 28 | 28 | 260 | 6.3 | 82 | 2.8 | 30 | 52 |
How do the previous and next months compare?
Baseline: April (54/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| March | +9 | +0.1 °C | -0.9 °C | -7.4 | -49.2 mm | +0.2 h | -2.2 % | +0.2 m/s | -0.6 °C |
| May | -2 | -0.6 °C | +0.2 °C | +6.4 | +113.1 mm | -1.2 h | +2.8 % | +0.5 m/s | +0.2 °C |
All twelve months in context

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Useful next decisions
Frequently asked questions
How warm is Phuket in April?
The average daily high is around 30 °C, with an average daily low of about 28 °C.
Can you swim in Phuket in April?
The sea is about 30 °C (very warm).
Does it rain a lot in Phuket in April?
The curated estimate is about 21 rainy days per month, not a directly measured long-term average. Total precipitation averages around 147 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. April is not among them.