Home › Weather › Chiang Mai Weather
Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
The live forecast above shows a typical dry-season day for Chiang Mai, with clear skies and warm afternoon temperatures. Located in northern Thailand’s mountainous heart, the city experiences distinct wet and dry periods, so today’s conditions reflect the prevailing north-easterly airflow that brings stable weather from November to February.
What is the best time to visit Chiang Mai?
The most comfortable window runs from November to February, when humidity is low and daytime highs sit in the mid-to-high 20s Celsius. This is also when neighbours like chiang rai weather follows a similar pattern. For travellers eyeing chiang mai weather by month, March to May brings intense heat, while the monsoon (June–October) delivers heavy downpours.
How does the dry season affect short-range forecasts?
During the cool-dry season, weather in chiang mai 10 days or chiang mai weather forecast 14 days often shows little variation, with stable highs and overnight lows around 13–15°C. For longer planning, a chiang mai weather forecast 30 days can indicate the persistence of the north-easterly flow, but accuracy diminishes beyond two weeks. Smoky haze from regional burning sometimes interrupts the clarity from late February onward.
Does Chiang Mai have a distinct rainy season?
Yes, the southwest monsoon brings heavy rain from June through October, peaking in August. Afternoon thunderstorms are common, and flash flooding can occur in low-lying areas. The wet season is also the greenest time to visit the surrounding countryside.
What is the weather in Chiang Mai in December?
December is one of the coolest and driest months. Daytime highs average around 28°C, nights drop to 14°C, and rainfall is minimal. It is ideal for outdoor activities, though early mornings can feel distinctly crisp.
Can I rely on a 30-day forecast for Chiang Mai?
A chiang mai weather forecast 30 days gives a broad trend but lacks daily precision. Seasonal patterns – such as the end of the wet season – are more reliable than exact temperatures beyond 10–14 days. Check the live forecast above and a chiang mai weather forecast 14 days for better planning.
For more on Australian conditions, see our Australia weather hub or compare with Melbourne weather. If you are heading to northern Thailand, also check chiang rai weather for the nearby province.