Bangkok in August

In August, Bangkok averages 32°C (90°F) during the day and 25°C (77°F) at night, with frequent rain — about 16 days of the month see precipitation (185 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 Bangkok. If your dates are flexible, consider a different time of year.

32°C
Avg high
25°C
Avg low
16
Rain days
185 mm
Rainfall

How August compares to the rest of the year in Bangkok

8th
warmest month of the 12
2nd
wettest month of the 12
12%
of yearly rainfall falls in August
12 h 35 min
daylight on the 15th

August is in the middle of the year for warmth in Bangkok (8th of 12) and one of the wettest months (2nd of 12). Daytime temperature runs 1°C below the annual average (33°C). August runs 1°C cooler than July (33°C) and stays flat into September.

August sunrise & sunset in Bangkok

🌅
Sunrise (15th)
6:04 AM
🌇
Sunset (15th)
6:40 PM
Day length
12 h 35 min

Times shown for Bangkok 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 Bangkok — August

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

🌅 Blue hour (AM)
5:04 AM – 5:44 AM
🌄 Golden hour (AM)
5:44 AM – 6:44 AM
🌇 Golden hour (PM)
6:00 PM – 7:00 PM
🌆 Blue hour (PM)
7:00 PM – 7:40 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Bangkok.

📅 When to book — Bangkok 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 Bangkok's popularity.

✈ Flights — lead time
3-4 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
3-5 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 Bangkok

High season

This is a busy month in Bangkok — 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 Bangkok

☀️ UV Index (noon, 15th)
13
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.

Bangkok in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 32°C / 90°F 22°C / 72°F 13 mm 1
February 33°C / 91°F 24°C / 75°F 20 mm 2
March 35°C / 95°F 26°C / 79°F 35 mm 4
April 36°C / 97°F 27°C / 81°F 81 mm 6
May 34°C / 93°F 26°C / 79°F 198 mm 14
June 33°C / 91°F 26°C / 79°F 175 mm 15
July 33°C / 91°F 26°C / 79°F 173 mm 15
August 32°C / 90°F 25°C / 77°F 185 mm 16
September 32°C / 90°F 25°C / 77°F 333 mm 18
October 32°C / 90°F 25°C / 77°F 290 mm 16
November 32°C / 90°F 23°C / 73°F 51 mm 5
December 31°C / 88°F 21°C / 70°F 8 mm 1

Other cities with similar August weather

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

Frequently asked questions

How hot is Bangkok in August?

In August, Bangkok averages a high of 32°C (90°F) and a low of 25°C (77°F) — generally hot.

Does it rain a lot in Bangkok in August?

August is quite rainy in Bangkok, with about 16 rainy days on average.

Is August a good time to visit Bangkok?

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 Bangkok in August?

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

Open Bangkok on the interactive map

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