Monthly weather forecast and climate
Chiang Mai, Thailand

The stunning aerial panorama of the fantastic Two Pagoda on top of the Doi Inthanon mountain, in Chiang Mai, Thailand
The stunning aerial panorama of the fantastic Two Pagoda on top of the Doi Inthanon mountain, in Chiang Mai, Thailand

How many days does it rain in Chiang Mai?

Throughout the year, in Chiang Mai, there are 113 rainfall days, and 1130.6mm (44.5") of precipitation is accumulated.

What is the driest month in Chiang Mai?

January is the month with the least rainfall in Chiang Mai, Thailand. Rain falls for 1 days and accumulates 4.2mm (0.2") of precipitation.

What is the warmest month in Chiang Mai?

The warmest month in Chiang Mai is April, with an average high-temperature of 36.5°C (97.7°F) and an average low-temperature of 22.9°C (73.2°F).

What is the rainiest month in Chiang Mai?

The month with the most rainfall is August when the rain falls for 18 days and typically aggregates up to 216.9mm (8.5") of precipitation.

What is the coldest month in Chiang Mai?

With an average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 15.7°C (60.3°F), December is the coldest month.
Average temperature - Chiang Mai, Thailand
Average humidity - Chiang Mai, Thailand
Average rainfall - Chiang Mai, Thailand

The wettest month (with the highest rainfall) is August (216.9mm).
The driest month (with the lowest rainfall) is January (4.2mm).

Average rainfall days - Chiang Mai, Thailand

The month with the highest number of rainy days is September (20 days).
Months with the lowest number of rainy days are January and December (1 days).

Average daylight / Average sunshine - Chiang Mai, Thailand

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 11h).

The month with most sunshine is February (Average sunshine: 9h).
Months with least sunshine are August and September (Average sunshine: 5.2).

Average UV index - Chiang Mai, Thailand

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).

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