Monthly weather forecast and Climate
Bangkok, Thailand TH

Warmest month (with highest average high temperature) is April (95.7°F).
Month with lowest average high temperature is December (89.1°F).

Month with highest average low temperature is April (80.4°F).
Coldest month (with lowest average low temperature) is December (71.6°F).

Month with highest relative humidity is September (79%).
Month with lowest relative humidity is December (66%).

Wettest month (with highest rainfall) is September (13.2").
Driest month (with lowest rainfall) is December (0.3").

Month with highest number of rainy days is September (21 days).
Months with lowest number of rainy days are January and December (1 days).

Best month for swimming (with highest average sea temperature) is May (85.8°F).
Coldest month (with lowest average sea temperature) is January (80.1°F).

Months with longest days are May, June, July and August (Average daylight: 13).
Months with shortest days are January, November and December (Average daylight: 11).

Month with most sunshine is February (Average sunshine: 9).
Months with least sunshine are August and September (Average sunshine: 5.2).

Months with highest UV index are February, March, April, May, June, July, August and September (UV index 12).
Month with lowest UV index is December (UV index 9).