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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Regional Report weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out in Chiang Mai today, as the tropical climate can shift from bright sunshine to a heavy downpour within an hour.
What is the best time of year to visit Chiang Mai?
The cool season from November to February offers the most comfortable conditions for exploring, with lower humidity and clear skies.
- Chiang Mai weather November marks the start of the cool season, with average highs around 30°C and much less rain than the preceding months.
- Chiang Mai weather December is typically the coolest month, with pleasant daytime temperatures and crisp evenings, ideal for sightseeing.
- Chiang Mai weather January continues the cool, dry pattern, though nights and early mornings can be surprisingly chilly.
- The hot season (March–May) sees temperatures regularly exceeding 35°C, while the wet season (June–October) brings frequent, heavy showers, particularly in the afternoon.
How does the weather vary across the region?
Northern Thailand shares a similar tropical monsoon climate, but local topography can create noticeable differences in rainfall and temperature.
- Chiang Rai weather is generally similar to Chiang Mai but can be slightly cooler and wetter due to its higher elevation.
- For a detailed overview of the annual cycle, check chiang mai weather by month data to plan your trip around your preferred conditions.
- If you need a closer look, the weather in chiang mai 10 days forecast is useful for immediate planning, while a chiang mai weather forecast 14 days or chiang mai weather forecast 30 days can give a broader trend indication.
Does Chiang Mai have a burning season?
Yes, typically from February to April, farmers burn agricultural waste, causing high levels of air pollution. If you have respiratory issues, consider visiting during the cooler or wetter months instead.
Is it safe to drive in Chiang Mai during the rainy season?
Flash floods and landslides can occur on mountain roads, particularly from June to October. Check the live forecast above and local news before setting out on longer journeys.
What should I pack for a trip to Chiang Mai?
Lightweight, breathable clothing for the heat, a waterproof jacket for sudden downpours, and a light jumper for cooler evenings between November and February. Sunscreen and insect repellent are essential year-round.
Sources
Explore more UK destinations on our UK weather hub, or check conditions in Birmingham, Liverpool, Glasgow, Bristol, or Sheffield. For a longer outlook, see our 10 day weather forecast UK.