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.
With daytime temperatures of 38°C (100°F) and nighttime lows of 24°C (75°F), April in Chiang Mai brings extremely high temperatures during the day. Some rainfall is to be expected during the month.
April 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 April, with daily highs averaging around 38°C (100°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 24°C (75°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.
Based on 50 years of weather observations in Chiang Mai between 1976 and 2026, these are the recorded extremes.
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in April →
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).
Get ready for hot weather in April! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Some rain is possible, so pack something to handle light showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
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 April - 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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