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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the UK Bullet weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Thailand’s weather is tropical and divided into three seasons: hot (March–May), rainy (June–October) and cool (November–February). The live forecast above shows current conditions; the best time to visit for dry, sunny days is the cool season, especially from November to February.
What is the weather like in Thailand year round?
Temperatures stay warm year-round, typically 28–35°C, but humidity and rainfall vary sharply by region. The south (Phuket, Koh Samui) has a longer wet season influenced by monsoons, while the north (Chiang Mai) is cooler and drier between November and February.
- Hot season (Mar–May): Intense heat, low rain; popular for beach holidays but can be uncomfortable inland.
- Rainy season (Jun–Oct): Heavy but often brief downpours, especially in Bangkok and the Andaman coast.
- Cool season (Nov–Feb): Lower humidity, clear skies; peak tourism period for UK weather comparisons.
Thailand weather by month: when should I go?
For central Thailand (Bangkok), the driest months are December and January. For southern islands, February to April offer the most reliable sunshine. Thailand weather by month guides show that November to February is overwhelmingly the safest bet for travellers from the UK.
- November: Start of cool season; dry in Bangkok, improving in Phuket.
- October: End of rainy season; humid but fewer storms.
- Bangkok: Year-round heat; best visited December–January.
- Phuket: Driest January–March; wettest September–October.
Is it safe to travel to Thailand during rainy season?
Yes, but be prepared for daily downpours and higher humidity. Thailand weather warning today advice often flags flooding in Bangkok and southern islands, so check the live forecast above before booking.
What is the weather in Thailand on a 10-day trip?
Weather in thailand 10 days outlooks vary by region: in the cool season expect stable heat and little rain. In October or May, short sharp storms are common. Use the forecast above for thailand weather 14 days trends.
Does Thailand have a specific monsoon season?
Yes, the southwest monsoon brings rain to the west coast (Phuket) from May to October, while the northeast monsoon affects the east coast (Koh Samui) from October to January. This creates distinct microclimates by island.
Sources
For more outlooks, see our 10 Day Weather Forecast UK or check Dubai Weather for another hot-weather destination.