Chiang Mai weather in April
April is a good time to visit Chiang Mai if you like hot weather.
You can expect very hot, dry weather and clear blue skies, with around nine hours of sunshine daily and little or no rain.
Daytime temperatures average 29°C (83°F). Humidity increases throughout April.
Frequently asked questions
We answer the most commonly asked questions (FAQs) about Chiang Mai weather in April.
How hot is it in Chiang Mai in April?
Maximum daytime temperatures in Chiang Mai in April reach an average high of 36°C (96°F) with extreme heat and humidity, falling to a night-time low of 23°C (73°F).
April is the hottest month of the year in Chiang Mai.
How sunny is it in Chiang Mai in April?
There are normally 9.5 hours of bright sunshine each day in Chiang Mai in April – that's around 74% of daylight hours.
Sunrise & sunset in April?
Sunrise is around 6:05am with sunset around 6:40pm.
Does it rain in Chiang Mai in April?
There are usually six days with some rain in Chiang Mai in April; the average monthly rainfall is 55mm (2in).
How windy is it in Chiang Mai in April?
April sees an average hourly wind speed of 4 kilometres per hour (2.5 mph; 2 knots).
What to do in Chiang Mai in April?
While weather conditions in April are not so good for trekking and biking the surrounding mountainous countryside given the excessive heat, April is a good time to explore the cobblestoned sois (alleys) of the Old City and the glittering shrine of Wat Phra That Doi Suthep.
Look out for the Songkran Festival, usually held in mid-April, which kicks-off with a procession around the city. Traditionally, Thais celebrate the start of the Thai New Year by dousing everyone at hand with water using buckets and water pistols.
Local holidays?
Songkran – 13–15th Apr.
This is the start of the low season in Chiang Mai, with discounted hotel prices and fewer visitors.
Chiang Mai weather in April
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High Temp: 36°C (96°F) |
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Low Temp: 23°C (73°F) |
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Sunshine: 9.5 hours per day |
13
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Daylight: 13 hours per day |
 |
Wind speed: 4 km/h (2.5 mph) |
 |
Wet Days: 6 days with some rain |
 |
Rainfall: 55mm (2in) per month |
 |
Comfort Level: Extreme heat; 52% humidity |
11
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UV Index: Extreme |
| Chiang Mai, Thailand | |
Best time to visit Chiang Mai
The best time to visit Chiang Mai is from mid-November to early-March, when the region is mainly dry and not too hot, typically averaging 28°C (82°F).
Chiang Mai weather by month
Source: Meteorological data for Chiang Mai is based on weather statistics gathered for the 30-year period 1991 to 2020 by the Thai Meteorological Department from the closest weather station: Chiang Mai International Airport (CNX), located around 5km (3mi) south of the centre of Chiang Mai.
Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices.
Latest update: Chiang Mai weather in April: 24 August, 2025
Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.
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