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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Story Native weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Thailand has a tropical climate with three main seasons: hot (March–May), rainy (June–October) and cool (November–February). The cool season is the most comfortable for travel, though conditions vary significantly between the north, central plains and southern coasts. Always refer to the live forecast above for current local details.
What is the weather like in Thailand throughout the year?
The climate is shaped by two monsoons. The southwest monsoon (May–October) brings heavy rain, particularly to the west coast and Bangkok. The northeast monsoon (November–February) brings cooler, drier air. Temperatures remain warm year-round, typically 25–35°C in lowlands. Thailand weather by month shows a clear pattern: March–April are the hottest, October still wet in many areas, and November marks the start of the dry cool season. For the latest conditions, check the weather in Thailand 10 days forecast above.
Regional differences matter. In the north, thailand weather bangkok is hotter and more humid than Chiang Mai. The southern gulf coast (Koh Samui) has a different rainy pattern, peaking October–December. Always look for a thailand weather warning today before travelling, especially during the monsoon. For a longer view, the thailand weather 14 days forecast can help plan outdoor activities.
When is the rainy season in Thailand?
The main rainy season runs from June to October across most of Thailand, driven by the southwest monsoon. However, the southern gulf coast (e.g. Koh Samui) sees more rain from October to December. Check the live forecast above for local timing.
Is it hot all year in Thailand?
Yes, temperatures remain warm throughout the year, typically 25–35°C in lowland areas. The hot season (March–May) can exceed 40°C in the north, while the cool season (November–February) offers more comfortable daytime heat and cooler nights.
What is the weather like in northern Thailand vs the south?
Northern Thailand has a more distinct cool season with cooler nights (15–20°C), while the south is generally more humid and stays warmer year-round. The rainy seasons also differ slightly; the south’s west coast sees heaviest rains from May to October.
Sources
For UK weather comparisons, see our UK weather hub or the 10 Day Weather Forecast UK. If you’re planning a trip elsewhere, our Dubai Weather page may also be useful.