Monthly weather forecast and climate
Chiang Mai, Thailand

Panorama of the fantastic Two Pagoda on top of the Doi Inthanon mountain, in Chiang Mai, Thailand
Panorama of the fantastic Two Pagoda on top of the Doi Inthanon mountain, in Chiang Mai, Thailand

Weather in January

January, like December, in Chiang Mai, Thailand, is another warm winter month, with average temperature ranging between min 14.9°C (58.8°F) and max 29.8°C (85.6°F). In Chiang Mai, the average high-temperature in January is relatively the same as in December - a still moderately hot 29.8°C (85.6°F). Weather in January »

Weather in February

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

Weather in March

The first month of the spring, March, is a very hot month in Chiang Mai, Thailand, with average temperature ranging between min 19.5°C (67.1°F) and max 35.2°C (95.4°F). In Chiang Mai, the average high-temperature is practically the same as in February - a torrid 35.2°C (95.4°F). Weather in March »

Weather in April

April, like March, in Chiang Mai, Thailand, is another sweltering spring month, with average temperature ranging between min 22.9°C (73.2°F) and max 36.5°C (97.7°F). With an average high-temperature of 36.5°C (97.7°F) and an average low-temperature of 22.9°C (73.2°F), April is the warmest month. The average heat index in April is evaluated at a blazing hot 48.1°C (118.6°F). Weather in April »

Weather in May

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

Weather in June

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

Weather in July

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

Weather in August

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

Weather in September

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

Weather in October

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

Weather in November

The last month of the autumn, November, is another tropical month in Chiang Mai, Thailand, with average temperature ranging between min 19.2°C (66.6°F) and max 30.1°C (86.2°F). In Chiang Mai, the average high-temperature is relatively the same as in October - a still tropical 30.1°C (86.2°F). Weather in November »

Weather in December

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

How much does it rain in Chiang Mai?

Throughout the year, in Chiang Mai, Thailand, there are 113 rainfall days, and 1130.6mm (44.51") of precipitation is accumulated.

What is the driest month in Chiang Mai?

January is the month with the least rainfall in Chiang Mai. Rain falls for 1 days and accumulates 4.2mm (0.17") of precipitation.

What month has the most sunshine in Chiang Mai?

February has the most sunshine of the year, with an average of 9h of sunshine.

What is the least humid month in Chiang Mai?

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

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

March through September, with an average maximum UV index of 12, are months with the highest UV index in Chiang Mai, Thailand.

What is the warmest month in Chiang Mai?

April is the warmest month, 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?

With an average of 13.3h of daylight, June has the longest days of the year in Chiang Mai.

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 wettest 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 (8.54") of precipitation.

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

August and September, with an average of 5.2h of sunshine, are months with the least sunshine.

What is the coldest month in Chiang Mai?

December 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).

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

December has the shortest days of the year in Chiang Mai, Thailand, with an average of 11h of daylight.

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

December is the month with the lowest UV index in Chiang Mai, Thailand, with an average maximum UV index of 8.

Average temperature
Chiang Mai, Thailand

Average temperature - Chiang Mai, Thailand

The warmest month (with the highest average high temperature) is April (36.5°C).
The month with the lowest average high temperature is December (28.6°C).

The month with the highest average low temperature is June (24°C).
The coldest month (with the lowest average low temperature) is January (14.9°C).

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Average humidity
Chiang Mai, Thailand

Average humidity - Chiang Mai, Thailand

Months with the highest relative humidity are August and September (81%).
The month with the lowest relative humidity is March (52%).

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Average rainfall
Chiang Mai, Thailand

Average rainfall - Chiang Mai, Thailand

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

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Average rainfall days
Chiang Mai, Thailand

Average rainfall days - Chiang Mai, Thailand

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

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Average daylight / Average sunshine
Chiang Mai, Thailand

Average daylight / Average sunshine - Chiang Mai, Thailand

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

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

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Average UV index
Chiang Mai, Thailand

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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