Quick decision
When to visit Bangkok?
🌞 Best time overall
December
🌡️ Optimal temperature
23°C–31°C in December
🌧 Least rain
13% rainy days in December
🌧 Wettest month
August (84%)
📅 Best score
8.2/10
By trip type
Best time by type of trip
Temples & PalacesNovember–February — Grand Palace, Wat Pho, Wat Arun without crushing heat.
Street FoodYear-round — Chinatown, night markets, Thai cooking classes.
ShoppingNovember-January — Chatuchak, mega malls, year-end sales.
FamilyDecember-January — dry season, Safari World, water parks.
Day TripsNovember–March — Ayutthaya (UNESCO), Kanchanaburi, Floating Market.
BudgetApril–May — low season, lowest prices, Songkran in April.
Monthly climate data
Bangkok weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 23°C | 32°C | 13% | 0.8 | 11.0h | 8.0/10 |
| ☀️ February | 24°C | 33°C | 22% | 1.2 | 11.0h | 7.5/10 |
| 🌤️ March | 26°C | 33°C | 25% | 1.4 | 11.0h | 7.5/10 |
| 🌤️ April | 27°C | 35°C | 39% | 2.8 | 11.7h | 7.0/10 |
| ⛅ May | 27°C | 33°C | 67% | 5.8 | 10.7h | 6.9/10 |
| ⛅ June | 26°C | 32°C | 79% | 5.1 | 10.0h | 6.6/10 |
| 🌦️ July | 26°C | 31°C | 84% | 6.7 | 8.2h | 6.0/10 |
| 🌦️ August | 25°C | 32°C | 84% | 6.2 | 8.3h | 5.5/10 |
| 🌦️ September | 25°C | 31°C | 90% | 9.9 | 8.6h | 5.7/10 |
| ⛅ October | 24°C | 31°C | 73% | 7.9 | 9.4h | 7.0/10 |
| 🌤️ November | 24°C | 31°C | 35% | 2.7 | 10.6h | 7.6/10 |
| ☀️ December | 23°C | 31°C | 13% | 0.6 | 10.8h | 8.2/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
🌴 Tropical destination — heavy rain months benefit from an algorithmic adjustment: tropical showers are intense but brief and usually don't ruin a trip.
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 34°C, 44% rainy days, 11.1h sunshine/day. Score: 7.1/10.
☀️ Summer (Jun–Aug) — Acceptable
Average 32°C, 82% rainy days, 8.8h sunshine/day. Score: 6.0/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 31°C, 66% rainy days, 9.5h sunshine/day. Score: 6.8/10.
❄️ Winter (Dec–Feb) — Good time
Average 32°C, 16% rainy days, 10.9h sunshine/day. Score: 7.9/10.
Accommodation
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Check availability during the recommended period
Tip : June offers a good weather/price balance — decent score with fewer crowds.
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Activities and tours in Bangkok
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
December is ideal with 13% rainy days and 31°C.
August is the wettest month with 84% rainy days.
Yes, December is the best month with an average of 31°C.
In winter, the average score is 7.9/10. Acceptable conditions for cultural visits.
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