Bangkok Weather by Month
Twelve months of Bangkok, Thailand weather — averages from 2006–2025.
Bangkok's warmest month is April (average high 34.3°C (93.7°F)) and the coolest is October (30.7°C (87.3°F)). The most rain falls in September (about 280 mm), and December is the driest (about 12 mm). April is the sunniest, with about 11 hours of sunshine a day.
Best months to visit Bangkok
Ranked within Bangkok's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Bangkok month by month
January
GreatHigh 31°C (87.8°F)
Low 21.8°C (71.2°F)
- Rainfall
- 17 mm (0.7 in)
- Rainy days
- 3 rainy days
- Sunshine
- 10.5 h sunshine / day
February
GoodHigh 32.3°C (90.1°F)
Low 23.7°C (74.7°F)
- Rainfall
- 27 mm (1.1 in)
- Rainy days
- 5 rainy days
- Sunshine
- 10.7 h sunshine / day
March
FairHigh 33.5°C (92.3°F)
Low 25.6°C (78.1°F)
- Rainfall
- 42 mm (1.7 in)
- Rainy days
- 7 rainy days
- Sunshine
- 10.7 h sunshine / day
April
FairHigh 34.3°C (93.7°F)
Low 26.7°C (80.1°F)
- Rainfall
- 79 mm (3.1 in)
- Rainy days
- 12 rainy days
- Sunshine
- 11 h sunshine / day
May
PoorHigh 33.3°C (91.9°F)
Low 26.5°C (79.7°F)
- Rainfall
- 156 mm (6.1 in)
- Rainy days
- 21 rainy days
- Sunshine
- 10.2 h sunshine / day
June
PoorHigh 32.4°C (90.3°F)
Low 26°C (78.8°F)
- Rainfall
- 143 mm (5.6 in)
- Rainy days
- 23 rainy days
- Sunshine
- 9.5 h sunshine / day
July
FairHigh 31.4°C (88.5°F)
Low 25.6°C (78.1°F)
- Rainfall
- 167 mm (6.6 in)
- Rainy days
- 24 rainy days
- Sunshine
- 8.3 h sunshine / day
August
FairHigh 31.5°C (88.7°F)
Low 25.5°C (77.9°F)
- Rainfall
- 165 mm (6.5 in)
- Rainy days
- 24 rainy days
- Sunshine
- 8.2 h sunshine / day
September
FairHigh 30.9°C (87.6°F)
Low 25°C (77°F)
- Rainfall
- 280 mm (11 in)
- Rainy days
- 26 rainy days
- Sunshine
- 8.1 h sunshine / day
October
FairHigh 30.7°C (87.3°F)
Low 24.4°C (75.9°F)
- Rainfall
- 212 mm (8.4 in)
- Rainy days
- 22 rainy days
- Sunshine
- 9 h sunshine / day
November
GoodHigh 31.1°C (88°F)
Low 23.6°C (74.5°F)
- Rainfall
- 63 mm (2.5 in)
- Rainy days
- 9 rainy days
- Sunshine
- 9.9 h sunshine / day
December
GreatHigh 30.9°C (87.6°F)
Low 22.1°C (71.8°F)
- Rainfall
- 12 mm (0.5 in)
- Rainy days
- 3 rainy days
- Sunshine
- 10.2 h sunshine / day
More Thailand cities by month
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.