Chiang Mai
Thailand
Long-term weather forecast
Long-term weather forecast

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
January, the same as December, is a moderately hot winter month in Chiang Mai, Thailand, with temperature in the range of an average low of 14.9°C (58.8°F) and an average high of 29.8°C (85.6°F). In Chiang Mai, the average high-temperature is relatively the same as in December - a still warm 29.8°C (85.6°F). Weather in January »

February, the last month of the winter, in Chiang Mai, is a tropical month, with average temperature ranging between min 16.2°C (61.2°F) and max 32.6°C (90.7°F). In February, the average high-temperature is essentially the same as in January - a hot 32.6°C (90.7°F). Weather in February »

March, the first month of the spring, in Chiang Mai, is a sweltering month, with average temperature varying between 35.2°C (95.4°F) and 19.5°C (67.1°F). In Chiang Mai, Thailand, the average high-temperature is essentially the same as in February - a sweltering 35.2°C (95.4°F). Weather in March »

April, like March, in Chiang Mai, Thailand, is another sweltering spring month, with average temperature fluctuating between 36.5°C (97.7°F) and 22.9°C (73.2°F). The warmest month 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). The average heat index is calculated to a burning hot 48.1°C (118.6°F). Weather in April »

May, the last month of the spring, in Chiang Mai, is another hot month, with average temperature varying between 34.2°C (93.6°F) and 23.8°C (74.8°F). In May, the average high-temperature is practically the same as in April - a tropical 34.2°C (93.6°F). Weather in May »

June, the first month of the summer, in Chiang Mai, is also a hot month, with average temperature ranging between min 24°C (75.2°F) and max 32.7°C (90.9°F). In June, the average high-temperature is relatively the same as in May - a still hot 32.7°C (90.9°F). Weather in June »

July, like June, is another hot summer month in Chiang Mai, Thailand, with average temperature ranging between min 23.9°C (75°F) and max 31.8°C (89.2°F). In Chiang Mai, the average high-temperature is essentially the same as in June - a still hot 31.8°C (89.2°F). Weather in July »

August, the last month of the summer, in Chiang Mai, is another tropical month, with average temperature fluctuating between 31.5°C (88.7°F) and 23.7°C (74.7°F). In Chiang Mai, the average high-temperature is essentially the same as in July - a still hot 31.5°C (88.7°F). Weather in August »

The first month of the autumn, September, is also a hot month in Chiang Mai, Thailand, with average temperature ranging between max 31.7°C (89.1°F) and min 23.2°C (73.8°F). In Chiang Mai, the average high-temperature is relatively the same as in August - a still hot 31.7°C (89.1°F). Weather in September »

October, like September, is a hot autumn month in Chiang Mai, Thailand, with temperature in the range of an average high of 31.4°C (88.5°F) and an average low of 22.2°C (72°F). In Chiang Mai, the average high-temperature in October is relatively the same as in September - a still hot 31.4°C (88.5°F). Weather in October »

November, the last month of the autumn, in Chiang Mai, is another hot month, with temperature in the range of an average high of 30.1°C (86.2°F) and an average low of 19.2°C (66.6°F). In November, the average high-temperature is practically the same as in October - a still tropical 30.1°C (86.2°F). Weather in November »

The first month of the winter, December, is also a moderately hot month in Chiang Mai, Thailand, with average temperature fluctuating between 28.6°C (83.5°F) and 15.7°C (60.3°F). December is the coldest month, with an average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 15.7°C (60.3°F). In December, the average heat index is appraised at a hot 32.4°C (90.3°F). Weather in December »

How much does it rain in Chiang Mai?

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

What is the driest month in Chiang Mai?

The month with the least rainfall in Chiang Mai, Thailand, is January when the rain falls for 1 days and typically collects 4.2mm (0.2") of precipitation.

What month has the most sunshine in Chiang Mai?

The month with the most sunshine is February, with an average of 9h of sunshine.

What is the least humid month in Chiang Mai?

The least humid month in Chiang Mai, Thailand, is March, with an average relative humidity of 52%.

What are the months with the highest UV index in Chiang Mai?

Months with the highest UV index are March through September, with an average maximum UV index of 12.

What is the warmest month in Chiang Mai?

The warmest month in Chiang Mai, Thailand, 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).

When are the longest days in Chiang Mai?

June has the longest days of the year, with an average of 13.3h of daylight.

What is the most humid month in Chiang Mai?

Months with the highest humidity in Chiang Mai are August and September, with an average relative humidity of 81%.

What is the rainiest month in Chiang Mai?

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

What is the month with the least sunshine in Chiang Mai?

Months with the least sunshine in Chiang Mai, Thailand, are August and September, with an average of 5.2h of sunshine.

What is the coldest month in Chiang Mai?

The coldest month is December, with an average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 15.7°C (60.3°F).

What is the month with the shortest days in Chiang Mai?

The month with the shortest days in Chiang Mai is December, with an average of 11h of daylight.

What is the month with the lowest UV index in Chiang Mai?

With an average maximum UV index of 8, December is the month with the lowest UV index.
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).