August in Bangkok averages highs of 32 °C (89 °F) and lows of 26 °C (78 °F), with about 22 rainy days and 12 h 35 min of daylight.
August weather in Bangkok at a glance
average high to low each dot ≈ 3 rainy days
Is August a good time to visit Bangkok?
Tough month: hot and wet. August is usually low season in Bangkok: rooms are typically easier to find and cheaper.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in August 2026
We found no major holidays or events for August in Bangkok. Our holiday source does not cover Thailand, so check official listings before you go.
Things to do in Bangkok in August
With frequent rain in August, here are the indoor picks first, then the outdoor ones for drier spells.
- Grand Palace and Wat Phra Kaew — dress code applies indoors
- Wat Pho — reclining Buddha indoors
- Wat Arun — best from the river at sunset outdoors
- Chao Phraya boats outdoors
- Chatuchak weekend market — go early outdoors
- Chinatown (Yaowarat) at night — street food outdoors
Where to stay: Riverside or Old Town (Rattanakosin) for temples; Sukhumvit for food and the BTS; Silom for nightlife.
What to pack for Bangkok in August
- Light, breathable clothes, a hat and a water bottle: highs reach 32 °C (89 °F), so plan indoor time around midday.
- An umbrella or a light waterproof: about 22 days this month see real rain.
- Clothes that cover shoulders and knees for mosques and temples.
- Comfortable walking shoes.
What a day in Bangkok costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €25–65 | €80–200 |
Excluding flights. August is usually low season in Bangkok: rooms are typically easier to find and cheaper.
August in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Singapore | 29° / 25° | 22 | Tough month |
| Bali | 27° / 23° | 11 | Mixed weather |
| Kyoto | 32° / 24° | 10 | Tough month |
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FAQ
Is August a good time to visit Bangkok?
By the numbers, August is a tough month: hot and wet, with average highs of 32 °C (89 °F) and about 22 rainy days. August is usually low season in Bangkok: rooms are typically easier to find and cheaper. The best months for weather are January, December.
How warm is Bangkok in August?
Average highs are 32 °C (89 °F) and lows 26 °C (78 °F) (2015–2024 averages).
Does it rain a lot in Bangkok in August?
Expect about 22 days with 2 mm of rain or more, about 187 mm in total. It is the 2nd wettest month of the year in Bangkok.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights. In the tropics, reanalysis data tends to count more light-rain days than local weather stations do; rain there often comes as short afternoon downpours.