Experience the tropical charm of Bangkok, where year-round warmth meets vibrant energy. The best time to visit (November-February) boasts refreshing temperatures ranging from 20°C to 34°C, making it ideal for sightseeing and exploring bustling markets like Chatuchak Weekend Market. Interestingly, Bangkok averages over 150 rainy days annually, but brief afternoon downpours often cool the city and create a rejuvenating atmosphere. Don't miss a traditional Thai massage during a refreshing monsoon rain, an unforgettable local experience that beautifully complements Bangkok's unique weather.
Today's Forecast
5-Day Forecast
Bangkok Climate & Weather Averages
What is the weather really like in Bangkok? Over 2015–2024, April was the hottest month with highs around 34°C, October the coolest at about 31°C, and September brought the most rain. The full month-by-month picture is in the table below.
Bangkok has a tropical climate: the heat barely moves through the year, with daytime highs holding near 34°C even in the coolest months and nights rarely dipping below 24°C. What changes is the rain — the wet season builds toward September, when a month can bring around 293 mm, before the drier stretch around December takes over.
| Month | Avg High | Avg Low | Rainfall | Sunshine (h/day) | Wind (km/h) |
|---|---|---|---|---|---|
| Jan | 31° | 22° | 24 mm | 10.3 | 13 |
| Feb | 32° | 23° | 30 mm | 10.6 | 15 |
| Mar | 33° | 26° | 44 mm | 10.8 | 17 |
| Apr | 34° | 27° | 84 mm | 10.9 | 17 |
| May | 34° | 27° | 158 mm | 10.1 | 16 |
| Jun | 33° | 26° | 145 mm | 9.4 | 17 |
| Jul | 32° | 26° | 195 mm | 8 | 17 |
| Aug | 32° | 26° | 187 mm | 7.9 | 16 |
| Sep | 31° | 25° | 293 mm | 8 | 14 |
| Oct | 31° | 24° | 241 mm | 8.8 | 12 |
| Nov | 31° | 24° | 72 mm | 9.8 | 13 |
| Dec | 31° | 23° | 19 mm | 10.1 | 13 |
Sunshine is most generous in April, averaging about 10.9 hours a day, and thinnest in August at roughly 7.9 hours. The breeziest stretch of the year comes around April, when daily winds typically peak near 17 km/h.
Best time to visit: April offers the most comfortable conditions, with daytime highs around 34°C. Light, breathable clothing works year-round; add a compact umbrella for sudden downpours. For the coldest spell around October, bring warmer layers.
Bangkok weather — frequently asked questions
What is the rainiest month in Bangkok?
September is on average the wettest month in Bangkok, with about 293 mm of rainfall. The driest month is typically December, at around 19 mm.
Is Bangkok warm all year round?
Yes. Even in the coolest month (October) daytime highs in Bangkok still average 31°C, with nights around 24°C — the difference between seasons is mostly about rain, not temperature.
How hot does Bangkok get in summer?
April is the hottest month, with daytime highs averaging 34°C — individual days run hotter still. Nights in April typically stay around 27°C.
What is the sunniest month in Bangkok?
April, with roughly 10.9 hours of sunshine a day on average over 2015–2024. The dimmest month is August, at about 7.9 hours.
When is the best time to visit Bangkok?
Weather-wise, April is the sweet spot in Bangkok: average daytime highs around 34°C with less rain than the September peak. Data from 2015–2024.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.