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

August 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
The last month of the summer, August, is another tropical month in Chiang Mai, Thailand, with average temperature fluctuating between 23.7°C (74.7°F) and 31.5°C (88.7°F).

Temperature

In August, the average high-temperature is relatively the same as in July - a still tropical 31.5°C (88.7°F). The average low-temperature, in August, is 23.7°C (74.7°F).

Humidity

August and September, with an average relative humidity of 81%, are most humid months.

Rainfall

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.

Daylight

The average length of the day in August is 12.7h.

Sunshine

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

UV index

Months with the highest UV index in Chiang Mai are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
The average daily UV index of 12 in August transform into the following instructions:
Take all required precautions, as unprotected skin and eyes can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the temperature in August in Chiang Mai?

In August, the average high-temperature is 31.5°C (88.7°F), and the average low-temperature is 23.7°C (74.7°F).

What are the most humid months in Chiang Mai?

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

What is the average humidity in August in Chiang Mai?

In August, the average relative humidity is 81%.

How much does it rain in Chiang Mai in August?

In Chiang Mai, in August, during 18 rainfall days, 216.9mm (8.5") of precipitation is typically accumulated.

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 (8.5") of precipitation.

What is the average length of the day in August in Chiang Mai?

In Chiang Mai, Thailand, the average length of the day in August is 12.7h.

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 in Chiang Mai, Thailand.

How many hours of sunshine does Chiang Mai have in August?

In August, the average sunshine is 5.2h.

When is the highest UV index in Chiang Mai?

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

What is the UV index intensity in August in Chiang Mai?

The average daily maximum UV index in August in Chiang Mai is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in August - Chiang Mai, Thailand
  • Average high temperature in August: 31.5°C

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).

  • Average low temperature in August: 23.7°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).

Average humidity in August - Chiang Mai, Thailand
  • Average humidity in August: 81%

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

Average rainfall in August - Chiang Mai, Thailand
  • Average rainfall in August: 216.9mm

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 in August - Chiang Mai, Thailand
  • Average rainfall days in August: 18 days

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 in August / Average sunshine in August - Chiang Mai, Thailand
  • Average daylight in August: 12.7h

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

  • Average sunshine in August: 5.2h

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 in August - Chiang Mai, Thailand
  • Average UV index in August: 12

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).