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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Norwich Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Based on the live forecast above, Chiang Mai currently registers temperatures typical for its tropical savanna climate. The city’s annual range spans from 15°C overnight lows in December to 40°C daytime highs in April, with November to February offering the most settled conditions.
What are Chiang Mai’s main weather seasons?
Chiang Mai splits into three distinct seasons. The cool season (November-February) brings daytime highs of 28-32°C with cool nights around 15°C and negligible rainfall. The hot season (March-May) sees temperatures climb to 36-40°C, with April the hottest month. The wet monsoon season (June-October) delivers 80-90% of the city’s 1,200mm annual rainfall, peaking in August and September with frequent heavy downpours.
For travel planning, chiang mai weather january offers the coolest conditions at 28°C average highs, while chiang mai weather november signals the wet-to-dry transition. chiang mai weather december remains dry and pleasant. The chiang mai weather by month averages show a steady rhythm across the year. For a UK comparison, visit the Norwich Wire UK weather hub.
How does Chiang Mai compare to Chiang Rai?
Chiang Rai weather follows the same three-season structure as Chiang Mai but tends to be 1-2°C cooler due to its higher elevation. Both cities share similar rainfall patterns, though Chiang Rai’s wet season can be slightly more prolonged. For short-range planning, the weather in chiang mai 10 days offers reliable guidance, while chiang mai weather forecast 14 days and chiang mai weather forecast 30 days provide longer-term context. See also our 10-day weather forecast for the UK.
When is the best time to visit Chiang Mai for good weather?
The cool dry season from November to February offers the most comfortable conditions, with daytime highs of 28-32°C and minimal rainfall. This is also the busiest tourist period so book accommodation early.
What is the burning season in Chiang Mai?
February to April is known as the burning season, when agricultural burning and atmospheric inversions trap smoke in the valley. Air quality can reach hazardous levels during this period, affecting visibility and health.
How much rain does Chiang Mai get annually?
Chiang Mai receives approximately 1,200-1,300mm of rainfall per year, with the wet season (June-October) accounting for over 80% of the total. August and September are the wettest months.