When to go
The Best Time to Visit Bangkok
Month-by-month climate data for Bangkok, Thailand — daily highs and lows, rain days, and an honest verdict for every month of the year.
Timing is the first real decision when planning Bangkok— it drives crowds, prices and what's actually open. Here's how the year breaks down so you can pick dates that fit the trip you're building, not just the weather.
November–February. Cool dry season — comfortable days, cooler nights, less rain. March–May is brutally hot.
Warmest in Bangkok: Apr (34°C / 93°F) · Coolest: Sep (31°C / 88°F) · Wettest: Sep (~28 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Bangkok climate, month by month
January
32° / 22°C
~3 rain days
Good
February
33° / 24°C
~6 rain days
Good
March
33° / 26°C
~9 rain days
Good
April
34° / 27°C
~12 rain days
Fair
May
34° / 27°C
~20 rain days
Tough
June
33° / 26°C
~24 rain days
Tough
July
32° / 26°C
~27 rain days
Fair
August
32° / 26°C
~27 rain days
Fair
September
31° / 25°C
~28 rain days
Fair
October
31° / 24°C
~22 rain days
Fair
November
31° / 24°C
~11 rain days
Good
December
31° / 22°C
~4 rain days
Excellent
Plan around it
Dates locked in? Start from the Bangkok travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.