Chiang Rai Weather in August
August in Chiang Rai averages 32°C (90°F) during the day and 24°C (75°F) at night. It is the wettest month of the year, with 366 mm (14 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Chiang Rai in August
As part of the rainy season, Chiang Rai sees around 23 days of rain in August, with an average of 366 mm (14 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Chiang Rai in August
Chiang Rai in August gets highs of 32°C (90°F) during the day and drops to 24°C (75°F) at night. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Chiang Rai in August
The month brings about 117 hours of sunlight, offering a comfortable mix of sun and rainy moments.August in Chiang Rai can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Chiang Rai's climate page.
Chiang Rai Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
32°C (90°F)
Chance of Rain
78%
Precipitation
366 mm (14 in)
Rainy days
23 days
Humidity
84%
Sunshine
117 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Chiang Rai typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Chiang Rai in August
Browse day-by-day weather records for Chiang Rai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chiang Rai historical weather extremes in August
Based on 49 years of weather observations in Chiang Rai between 1976 and 2025, these are the recorded extremes.
- The hottest August day on record in Chiang Rai reached 36°C (97°F) (August 25, 2012).
- Chiang Rai experienced its chilliest August day on August 23, 1993, reaching only 24°C (75°F).
- The coldest night in August in Chiang Rai was on August 12, 1996, with a minimum of 22°C (72°F).
Best Places in Thailand in August
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in August →
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What to Wear in Chiang Rai in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Chiang Rai in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Chiang Rai's climate page.
Temperature Rainfall Sunshine Humidity
See the full Chiang Rai climate overview or explore weather in Thailand.
