Phuket in August

In August, Phuket averages 31°C (88°F) during the day and 25°C (77°F) at night, with frequent rain — about 19 days of the month see precipitation (285 mm total).

High season

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

August is one of the wetter and less comfortable months in Phuket. If your dates are flexible, consider a different time of year.

31°C
Avg high
25°C
Avg low
19
Rain days
285 mm
Rainfall

How August compares to the rest of the year in Phuket

10th
warmest month of the 12
6th
wettest month of the 12
13%
of yearly rainfall falls in August
12 h 23 min
daylight on the 15th

August is one of the coolest months in Phuket (10th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 1°C below the annual average (32°C). August runs roughly the same as July (31°C) and stays flat into September.

August sunrise & sunset in Phuket

🌅
Sunrise (15th)
6:19 AM
🌇
Sunset (15th)
6:42 PM
Day length
12 h 23 min

Times shown for Phuket local time (Asia/Bangkok), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Phuket — August

Golden-hour and blue-hour windows for the 15th of August, in Phuket's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:19 AM – 5:59 AM
🌄 Golden hour (AM)
5:59 AM – 6:59 AM
🌇 Golden hour (PM)
6:02 PM – 7:02 PM
🌆 Blue hour (PM)
7:02 PM – 7:42 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Phuket.

📅 When to book — Phuket in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Phuket's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — August in Phuket

High season

This is a busy month in Phuket — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: Northern Hemisphere summer holidays

Sun & mosquito risk — August in Phuket

☀️ UV Index (noon, 15th)
12.9
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Phuket — August

30.3°C (87°F)
bath-warm
tropical and comfortable for hours

Across the year Phuket's sea swings from 29.1°C (January) to 31.8°C (May) — August sits at 30.3°C.

Phuket in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 32°C / 90°F 23°C / 73°F 20 mm 3
February 33°C / 91°F 24°C / 75°F 30 mm 3
March 33°C / 91°F 25°C / 77°F 55 mm 6
April 33°C / 91°F 25°C / 77°F 155 mm 11
May 32°C / 90°F 25°C / 77°F 295 mm 19
June 31°C / 88°F 25°C / 77°F 250 mm 19
July 31°C / 88°F 25°C / 77°F 275 mm 21
August 31°C / 88°F 25°C / 77°F 285 mm 19
September 31°C / 88°F 25°C / 77°F 375 mm 22
October 31°C / 88°F 24°C / 75°F 290 mm 20
November 32°C / 90°F 24°C / 75°F 175 mm 13
December 32°C / 90°F 23°C / 73°F 55 mm 6

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Phuket in August →

Frequently asked questions

How hot is Phuket in August?

In August, Phuket averages a high of 31°C (88°F) and a low of 25°C (77°F) — generally hot.

Does it rain a lot in Phuket in August?

August is quite rainy in Phuket, with about 19 rainy days on average.

Is August a good time to visit Phuket?

August is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Phuket in August?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full August packing list for Phuket for a complete, climate-based checklist.

Open Phuket on the interactive map

Check the live 10-day forecast and sunrise/sunset.