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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Public Journal weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Thailand’s weather by month splits into three clear seasons: the cool season from November to February brings pleasant, dry conditions; the hot season from March to May is sweltering; and the rainy season from June to October sees frequent downpours and high humidity, especially along the Gulf coast.
The live forecast above gives the current conditions for Bangkok, but across the country the timing of the rains varies. The west coast (Phuket, Krabi) gets its heaviest rain from May to October, while the Gulf coast (Koh Samui, Hua Hin) sees more rain later in the year, from October to December.
What is the best month to visit Thailand for good weather?
For most of Thailand, the cool and dry months of December and January offer the most comfortable conditions: lower humidity, clear skies and daytime temperatures around 28–30°C. If you are looking at thailand weather february, it is similarly pleasant, though the heat begins to build towards the end of the month. For the Gulf islands, August can be a good choice because it falls between the monsoon peaks.
How does humidity and temperature vary by month?
Humidity is high year-round but peaks during the rainy season, often exceeding 75% in Bangkok from June to September. For thailand weather by month celsius, the cool season averages 25–30°C, the hot season climbs to 30–35°C, and the rainy season sits around 27–32°C. In thailand weather by month fahrenheit, that translates to roughly 77–86°F in the cool season, 86–95°F in the hot season, and 81–90°F in the rainy season. Thailand weather by month october is a transition month: the rains ease on the Gulf coast while the west coast remains wet.
Is Thailand too hot in April?
April is the hottest month in most of Thailand, with Bangkok averaging 35°C and high humidity. It can feel uncomfortable for sightseeing; the cool season months are far more pleasant for outdoor activities.
When does the rainy season start in Thailand?
The rainy season typically begins in June and lasts until October. However, the south’s west coast sees rain from May, while the Gulf coast often stays drier until October. For thailand weather by month humidity, June to September are the most humid months nationwide.
Is November a good time to visit Thailand?
Yes. November marks the start of the cool season, with lower humidity, cooler nights and far less rain. It is one of the best months to travel, especially for northern Thailand and the beaches on the Gulf coast.
For more on UK conditions, see our UK weather hub or the 10 Day Weather Forecast UK.