Trekking in Northern Thailand
One of the most beautiful attractions in Thailand is trekking along mountain villages north of Chiang Mai. The best time to trek is November until February.
Thinking of visiting Chiang Mai in March? Expect extremely high temperatures reaching 37°C (99°F) during the day, dropping to 20°C (68°F) at night, with minimal rainfall.
March in Chiang Mai can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Pick a month to see the average temperature, rainfall and sunshine in Chiang Mai - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Chiang Mai typically stay consistent throughout March, with daily highs averaging around 37°C (99°F). Nights are warm, with lows typically ranging from 18°C (64°F) to 22°C (72°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Chiang Mai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 50 years of weather records for Chiang Mai, the following extremes were recorded between 1976 and 2026.
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in March →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Hot weather in March means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. With minimal rainfall expected, you can leave the rain gear at home. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Chiang Mai climate overview or explore weather in Thailand.
Where to go in March - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Trekking in Northern Thailand
One of the most beautiful attractions in Thailand is trekking along mountain villages north of Chiang Mai. The best time to trek is November until February.
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